Ipfire dns forward configuration My unbound. icloud. IPFire utilizes Unbound, which has built-in DNS over TLS support, with the configuration being accessible in the To create a new blue to green pinhole, go to the IPFire WebGUI menu Firewall > Firewall Rules and click on the New rule button. 48 (digitalcourage. I don’t see any strange loops in ipfire, and doesn’t look in the net for the dns 10. 93. or a fire wall rule to open DNS to orange If I have this wrong some one can interject here. By default, IPFire controls the access of all devices on blue using MAC Address filtering. 2. mydomain. Static Routes - Configure access to network routed subnets. ntp. and guiding your users in configuring their browsers to use IPFire as a proxy. Connectivity to the internet is a LTE modem. You will then need a port forward red to orange to say a web server port 443 If you are using the DDNS name in your wireguard configuration then if you have access to a DNS resolve that can tell wireguard what the IP is then nothing further should be needed for DDNS. 100 using the setup program on the console. 20. As "Local VPN Hostname/IP:" the FQDN or the IP of the red interface will be set automatically. Also, it runs a DNS forwarder, sending all incoming (on the LAN port) queries through to the office DNS servers on the OpenVPN port. IPFire employs a DNS proxy which receives DNS queries from the local networks and forwards them to DNS servers on the Internet. It is needed for the IPFire Dynamic DNS. Some time ago this rule became necessary as by default now the firewall policy blocks the DNS traffic, including in the green network. (IPfire DNS can then utilize TLS to whatever external This is a subnet that is allocated to all peers and IPFire will statically allocate an IP address. Configure the DNS in such a way, that IPfire is used as forwarder (because only IPfire knows, which DNS forwarding is done by dedicated DNS servers on the internal rail. A IN>: all the configured stub or forward servers failed, at zone . ) The configuration of DHCP with the program setup is possible during installation only. , as you suggested. Step 1 - Source. 255. Topic Replies DNS Forwarding+upstream Proxy. 19 core update 106, this required that the DNS servers the IPFire DNS proxy forwards queries to also must verify DNS responses. Attention: Before downloading the ISO backup, wait until the backup is complete (i. Is such a configuration possible? On the office network, it should have the 172. 89. e. Hi, I don’t understand it. hostnames are not resolved to IP addresses anymore, after doing a /etc/init. At the moment FreeNAS runs but it has no IP address (but I know it is up an running because it hosts several IPFire acts like the OpenVPN NIC is it’s WAN link, meaning, all packets that come to it for the office IP ranges, it NATs the traffic out through the OpenVPN NIC. I can’t use the ISP-assigned dsn-servers, because they don’t acc Browser / Configuration DHCP DNS; Internet Explorer: Y? Chrome: Y? Firefox: Y: Y: The generated file. In the first section define the source network or source IP address from where the network packages will be sent. In logs I can see a drop from the smartphone IP to the redIP of the ipfire. Squid is configured with an upstream proxy. 101), you can manually define a hostname through the Edit Hosts section of the IPFire Web User Interface (WUI). Also, all DHCP clients in “blue” (like our smartphones) use a PiHole as their nameserver, which, in turn, uses the IPFire as its forwarding nameserver. iso with size 0. local Address: 10. In the authentication section at the bottom of the page select "Windows Active Directory" and configure the global authentication settings as usual. There is no DNS available. I tried configuring DNS in the server AND the client certificates, but Hi - I have finally been able to get my client to connect to OpenVPN on IPfire, but once connected I cannot do anything. Dec 29 10:58:31 ipfire unbound: [32411:0] error: SERVFAIL I’ve implemented configuration changes to unbound as described here here except for the module-config change to iterator because it completely disabled all DNS lookups: However, every couple of days I still get error: SERVFAIL : all the configured stub or forward servers failed, at zone . 15, the firewall capabilities of the IPFire system have been massively improved. . These settings are only required if you are planning on having host-to-net (roadwarrior) clients and can otherwise be left empty. Dear Ipfire users/authors. I need to open a port on the RED interface to allow the reverse tunnel to connect to ipFire Typically ssh connections are forwarded from the firewall Hi, Thanks to the developers and volunteers behind IPFire! I’ve been using IPFire a little while but am struggling to configure rules to redirect a service. DNS [addr] - Defines a DNS-server with [addr] . Please note that password should only contain alphanumeric In this walk-through we will show you how to configure your IPFire installation specifically around the proxy and url filter. I see you have some recommendations/policy for public DNS servers and even well known public DNS services like OpenDNS or Quad9 are on “banned” list. 8 or 1. SYN Flood Protection. Can someone tell me exactly how/where to allow the ipfire DMZ zone access to a DNS server located on the Internet (eg 8. Extended know-how Optimizations and additional information for a better understanding of Squid logging. 1 The Default firewall behaviour is Forward: Allowed and Outgoing: Allowed. For what reason? I am trying to block cname ads using stub-zone. My network configuration is: ISP router - IPFire box - server. It was the way I found to make the forward Dnat on 53 to work (redirect all dns to the ipfire DNS server inbuilt mechanism). I realize this is not the intent of the new DNS system, however it has created havoc for us on our internet connection. When exporting a new configuration file for a peer, optionally the IP address of a DNS resolver can be passed. These options change how logs are displayed in the web user interface: Sort in reverse chronological order = Check the box to show the most recent log entries at the top of the page (reverse chronological order). DNS lookup, is the specific issue. I I’m getting a lot of DNS server failures showing up in /var/log/messages over the last two days. 198 got SERVFAIL unbound: [1617:0] error: SERVFAIL <“MYDYNDNSHOST”. The Domain Name System is used to translate human-friendly computer hostnames into IP addresses. Before IPFire 2. Here a script which uses the host command, and accepts the local DNS name as a command-line argument: #!/bin/bash # Check if a command-line argument was provided if [[ $# -eq 0 ]]; then echo "Usage: $0 <local_dns_name>" exit 1 fi # Get the local DNS name from The BLUE interface is designed to separate the LAN from the Wireless LAN (or "WLAN"). There was no problem with the IPfire 183 running at RPI. 237. 21) on Windows Server 2008 domain, use gateway IP(192. Regards, Edwin. I’m using ddnss. A common reason for the failure is a broken DNS. The state is always shown as “Broken”. To replicate the issue, just IPFire is configured basically using the WebGUI. Hello all, I have problems with the DNS. Everything is working as expected, with the default installation of IpFire. 0. AAAA IN>: all the configured stub or forward servers failed, at zone . Below is the summary with what I have done: I have a main router pfsense that is connected to the optical modem. DNS forwarding entry: abc. Dynamic DNS (DDNS) usually is used in environs where an ISP doesn't offer a static public IP address. Make sure the client subnet mask matches the setting for the IPFire ORANGE network. This means that all DHCP leases must be manually approved in the IPFire Web User Interface before they can access the network (including access the WUI from blue network itself) and gain internet I think I am a little confused how Unbound works in IPFire 2. I can also duplicate these same errors using Core 144 in a lab environment. Hello, thank you for your reply. 4 (don't forget to specify your gateway and DNS servers!). IPFire employs a DNS proxy which receives DNS queries from the local networks and forwards them to DNS servers on the In this walk-through we will show you how to configure your IPFire installation specifically around the proxy and url filter. de) and 80. IPfire intercept DNS IPfire makes DNS53 or DNST request ( depending on your Domain name system settings) IPfire returns DNS53 to user pretending to be Google DNS. If a domain fails validation or the upstream does not support DNSSEC, this setting can cause issues resolving domains. I have the pi-hole server residing in the green zone (10. that is my understanding. If I connect the ipfire to the pfsense the ipfire can browse Click Action: Enable Dynamic DNS and then click Apply. My firewall configuration drop all GRENN → RED for all DNS protocols allow only PiHole (IP) → RED for all DNS protocols However even when i disable the above rules I am still getting the packages dropped Any ideas where to look A IN>: all the configured stub or forward servers failed, at zone . This only works for TCP and it is not recommended to IPFire (Encrypted) Overview. Ok, I have a DNS issue causing loss of sanity (and hair). This leaves you with clients being able to use DNS over HTTPS (DoH) to query different DNS resolvers. cache-max-ttl and cache-min-ttl and others. At the DNS in ipfire was previously only the IP “46. OK The (Smart)Phone is set to use the proxy, browsing is OK. trash-trash If you need permit domain name to IP, for ex. Suggestions? That DuckDNS is offered as an option, I guess this works somehow. The default firewall rules seems do not allow Because IPFire runs a DNS proxy, most users will probably want the Primary DNS server set to IPFire's Green IP address. pac. When I change the default forward and outgoing behavior to Drop, internet browsing isn’t possible anymore. I defined an dns forwarder to forward dns requests to another ipfire instance through (ipsec) vpn. com IPfire forwards DNS queries to DNS server A IN>: all the configured stub or forward servers failed, at zone . I am using 8. pool. I’ve tried various Destination NAT (port forward) rules but cannot get what I want. 270809 DDNSUpdateError: The update could not be performed Last failure message: An update has not been performed because earlier updates I have the same issue with DNS server Status broken. 15 core update 80 IPFire comes with DNSSEC enabled by default. The server has no DNS from Ipfire. It can be found under: http: //[IPFireIP]: 81 / proxy. 126. BR Trash. This will seamlessly redirect DNS Configure DHCP on IPfire in such a way, that it delivers the IP from your DNS in ORANGE as Nameserver to the clients. TYPE65 IN>: all the configured stub or forward servers failed, at zone . In your port forward you have made the destination the firewall red interface. digitalcourage. no server to query nameserver addresses not usable have no nameserver names Nov 11 17:29:44 firewall unbound: [1659:0] error: SERVFAIL <0. IPFire supports acting as a SYN proxy using SYN cookies to prevent Denial-Of-Service attacks against hosted services. 100 <= Pi-hole # Pi-hole DNS configuration: Upstream DNS Server: Custom 1 (IPv4) 192. 8. Use Pi-hole as local DNS for Clients, eveyone else. Like to the option above, but the logging of dropped forward packets can be adjusted. local 10. org. I use the firewall rule from the docs Redirecting Services to redirect all DNS query to Ipfire. Thats a lot of work, but may be a Because IPFire runs a DNS proxy, most users will probably want the Primary DNS server set to IPFire's Green IP address. I have heard that ISP have the possibility to switch a transparent proxy that intercepts every DNS query and then forwards it to their own DNS server. I have a /29 block of IP addresses and I would like to forward one of them to an internal server and port forward some of the main When forwarding DNS queries, Pi-hole requests the DNSSEC records needed to validate the replies. DNS server( 192. xx. DMZ rail is static IP only, whereas on the internal rail has dedicated DHCP server is used, as applicable. This must be a bug. Other issue is that DNS shows leased entry that already expired. The main IPFire configuration menu has a total of four options, which we must configure to start working with the firewall-oriented operating system: DHCP server, captive portal, edit hosts, DNS forwarding, configure static routes, WoL and other options Of configuration. 8, 192. 99. An example of this rule is already documented in the IpFire documentation, So in my case 192. Because of the rule the traffic is allowed to go to the internet. it appears Unbound in IPFire may be incorrectly forwarding these out of the network to the chosen Hi, for awhile now I am getting the below DROP_FORWARD between two IP addresses that both reside in the green network. I configured my red0 with dhcp and I shoud retrieve DNS settings from my external router (so option “Use ISP-assigned DNS servers " is checked)”. org Can someone tell me exactly how/where to allow the ipfire DMZ zone access to a DNS server located on the Internet (eg 8. 4 as DNS servers. ; Lines per page = Set the number of log entries displayed on each page. System - Basic settings of the operating system; Status - Shows graphs and reports about the health I’d like to update the IPfire upstream link in that set-up. Unfortunately, pretty much every DoH server has the same IP as the respective DNS DoT When I use unbount as the DNS service, it usually doesn’t work as expected as the IPFire 2. conf is also precisely the same as yours. User examples of Squid Web Proxy configuration Hello, I run Ipfire in recursor mode for DNS. one. I tryed others, but always same result. In the DMZ there is a DNS that is supposed to Hi Andy, Welcome to the IPFire community! You’re already on the right track by using unbound, which is IPFire’s DNS server. Depending on how volatile and predictable your network is, the following steps might cause interruptions or break some clients altogether - if they are using hard-coded DNS resolvers, for Configure the DNS in such a way, that IPfire is used as forwarder (because only IPfire knows, which client has which IP-address). I have a FritzBox at home that operates DHCP: 192. A Dynamic DNS provider assigns a hostname to the current, public IP address. For the device without a hostname (192. There is no indicator that TLS hostname is correct and that TLS is used. 49 Connected to Modem/Router Lan connected to Netgear 5 port switch PC connected to Netgear switch PC gets IP address from Windows DHCP server I can ping both LAN and WAN interface on my IPfire I applied the rules for DNS, NTP etc. Problems in reaching download. 29 start each time. (Surprised to see the web interface not catching such invalid inputs. DNS for the DMZ rail is done via the firewall/router. In the Advanced Web Proxy Configuration of IPFire I have Advanced Web Proxy enabled and the ipfire has dns server via tls and all clients first get the active directory dns, which then forwards to the internal ip of the pi-hole to filter the websites. cgi) page has no indicator that DNS over TLS (DoT) is active. Importantly, my IPFire acts as the primary router and firewall, connecting directly to my ISP’s router. The proxy config is distributed via DNS and wpad. This would be best here: Network/Edit Hosts; It could be here, but this is NOT recommended: Network/DHCP Server (only a remark); Since you did not mention firewall rules, it would not be the other two. 2 - Router Internal Interface 192. DNS forwarding allows you to configure additional name servers for certain zones. shoka (Harry) 1 February 2020 15:43 1. Businesses across the world have chosen to put their trust in our versatile, feature-rich solution with its easy-to-use web management console. 0/24 in this network is my server with Proxmox 192. 1 fw02: Zone: domain1. I have a Thanks for the reply. DNS. For some reason, the new DNSSEC system often reports “Broken” and blocks traffic, even though when I connect directly to the 3g modem, the internet is working fine. When I leave the server behind the IPFire box I cannot get the certificates and not The global configuration section allows to enable IPsec and configure general network settings. Edit Hosts - Assign names to Clients to access by name instead of using an IP address (internal DNS) DNS Forwarding - Forward requests for certain domains to a specified domain name server. 1 When I do a nslookup manually from my local network at the remote dns server it works: nslookup nb-01. PC #1 is on my green network. Your server in the orange zone needs a DNS server. Device is on the network/wire, can ping ip address fine. In the WebGUI go to the menu Network-> URL Filter. This will ensure that IPFire replies to PTR requests with the Hi, I’m trying to get Pi-Hole working with IPFire, and have the following issues, and was wondering what the best way around this it: IPFire config: Webproxy enabled Transparent Proxy enabled (for Android devices which do no have manual proxy settings). 0/29 so 6 clients. The list category is a guide to how a list is generated. In order to allow the DNSSEC communication it is important that also port 853 is opened next to port 53 (for normal DNS). conf is precisely the same as yours. 18. Hi all, I just finished to looking for on related topic the same issue but I’m still in stuck with this DNS Issue. It seems that the problem with making a connection to the DNS servers is This page has the options for IPFire's logs. On Additionally set up IPFire’s own DNS configuration to external as it is at the moment, but configure DHCP to use PiHole? Or what is the correct setup in this case? Could you setup Pi-Hole to use ipfire DNS. The only special configuration I’ve done is setting up a port forwarding rule. Log Summary - Quick view to the status of the IPFire; Log Settings - Options for IPFire logs Congratulations. 3. IN the Domain Name System of IPFire I have a valid external network. I disabled all my dns servers and added the two google ones and set the protocol to TCP and my forward. Don't forget to specify your gateway and DNS servers! Your Red interface should now work properly, but outside users Anyone else having issues with DNS over TLS after upgrading to IPFire 2. 12 is a camera; 192. Depending on the blacklist which has been downloaded (see below for detail on blacklists) you may have different categories than those in this example. de and there is a limit of 60 updates a day. Step 2: Configure the proxy server. Of course the IpFire configuration just needs to pass outbound DNS packets, so a simple DNS output rule. Inside the DHCP-configuration for blue and I would like to add the following entry ->num-threads. This appears to be Unbound forwarding all internal requests to the external nameserver. and block all from Ipfire’s DNS except Pi-hole. pl accepts empty strings as valid. Creating the ISO includes the download of the standard . (In this case the Secondary DNS can be left blank. 50 255. dns servers just one. I believe that this file is where the required info on IP, netmask, routers, DNS, lease time etc for I am trying to do some testing with the intention of replacing my current firewall with IPfire. 2 once I’m ready). And the DNS Servers’s status is as below: My router’s ip addr is as below: The red is the dhcp ip address which can connect the internet. “Protocol for DNS queries” is of course set to TLS in the Domain Name System admin page but that does not seem to enable the local TLS service on Hello everybody, I installed the IPFire Core update 141 today and i have problems with the new Domain Name System. However when testing make sure that you keep a backup copy of the original file plus have an IPFire backup stored off of IPFire. In the web console the status was now “broken” at “Domain Name System” and the message “Reverse Lookup failed”. 182. 117. IPFire Community Networking DNS. A lot of new features have been introduced which required a more powerful WebGUI. In the Web interface, the proxy is running. In WUI, set up a DNS forward rule to point resolutions to your internal server. After samba has been set up and the domain has been joined, we are ready to set up the web proxy. IPFire is an open-source firewall and router, used in both consumer and commercial environments. brave. dat in wpad. 9. I believe if you use an internal I had to specifically configure the query to use 10. iso file from the IPFire site. 16810. And as a note to this thread you mentioned: as I said, I’m not familiar with IPFire but I guess you can configure nat loopback in the WGUI by setting up the three rules I wrote in my post above (maybe the forward rule is applied automatically when WGUI is used)- as long as the public IP (red) does not change, this is totally fine. but for this single entry, nslookup from any device fails. from 176. Rules of the forwarding section process packets that transit the firewall. Connect to orange or blue interface # IPFire DHCP configuration Primary DNS: 192. If I connect the server directly to the ISP router (obviously readdressing the network) I can get the certificates from Letsencrypt as well as the renewals. chatGPT to the rescue, again. In the middle of the day I could no longer call up websites and suspected the DNS. 19. I Usually these go to some service like the DNS proxy or DHCP servers that is running on the firewall. 300 IN A 51. The affected machine goes through the Squid proxy to the Internet. 11. Running a fresh install of IPFire 2. That means that all DNS responses are verified so that DNS spoofing is not possible any more. Therefore i configured my IPFire-machine to use this server als the DNS. Example: on 03/24/2023 logs for 03/25 are the logs of 03/25/2022. The reverse tunnel is initiated by a unsecure remote client (ET phone home). But, I’m not sure how to handle a rule for this situation. Would this also be possible with IPfire and unbound and how could I check this? And second thing, the IPfire itself also goes to the Internet for example pakfire or the time The DNS configuration is UDP/Standard. 1), dns forward -to my Microsoft D IPFire Community Firewall ruleset does not update 10. ) It is unfortunately no surprise :(. Block categories. Is there a new config necessary or whats going an? DROP_FORWARD green0 TCP 10. ” deposited. First I observed a DNS leak by the recursor mode (but even using a DNS Server) plus the DNS server upstream Proxy, but There is no DNS available. Now make a copy of the token. (and I will configure IPFire to port forward to 10. Since IPFire 2. I’ve used IPCop Hi Jon, am using this script #!/bin/bash - # # Test DNS-over-TLS connections configured since the new Core 141 IPFire DNS system. Intrusion Protection - configuration and IPS rules settings ; IP Address Blocklists - easy activation of various public IP-based blocklists ; Force clients to use IPFire DNS Server; Setting up a DMZ; Creating a DMZ Pinhole; How to block Force local IPFire DNS server on GREEN (or blue) Force all DNS traffic to local IPFire DNS server on GREEN (or blue) (I am partial to the last one!) EDIT: added blue and a line of NTP Force all NTP traffic to local IPFire NTP server on GREEN (or blue) In my experience, I don’t use split DNS and NAT loopback works seamlessly for me. Therefore you have to sort your dnsmasq settings into the set of DHCP configs and the set of DNS configs. User is First, use the setup program on the console to configure your Red interface with a static IP address of 1. 1; I can log into IPFire in a browser at 192. The Host-to-Net Endpoint will be used for clients to reach the firewall. If you use a DSL connection, it is also possible to configure your own dynamic dns addresses in IPFire. 9 for example) Hi @troll-op, I just wanted to see if anything was going wrong in the creation of the forward file. So there is still something not done right. ”) I added an DNS forward configuration to both IPFires to forward DNS requests for the opposite zones. ; Every client device is configured with a static IP address. I can’t use the ISP-assigned dsn-servers, because they don’t accept dnssec. We rely on a 3G mobile internet service here in Cameroon, Africa. I have IPFire 2. d/unbound restart. It uses unbound but that unbound cannot be switched to “standalone mode”, it is configured as DNS forwarder. Therefore it cannot be changed once at least one peer has been set up. And in the forum, this question has not been answered precisely anywhere, or it has been vaguely explained. 5: 229: 28 November 2024 How to fix the unbound dns service? 48: 408: Dhcp miss config causes unbound stop/start. In spring 2020, this directive has been removed from IPFire’s Unbound configuration, since Unbound was found to issue any given DNS query as many times as it had threads started (see this commit). I am able to successfully block DNS traffic with this: Force clients to use IPFire’s DNS proxy - Option 2. This firewall-oriented operating system has two types of VPN, both First, configure your Red interface with the first address: xxx. Does it makes sense? Firewall rule: ipfire-red to pihole (red) for 53 (tcp / udp) The thing is, I have no free ports for DMZ, so I think, the only good solution is to have pihole in the red network (just connected to the provider router). PC #2 is on the other side of a Comcast router, somewhere in another part of the country. Customprerouting config so all DNS queries from GREEN are routed to the IPFire resolver (I don’t want devices The web user interface is split into areas of configuration, status, and logs. And a token change will be needed on the IPFire Dynamic DNS page. But why I do not have to configure a DNS IP, why knows IpFire how to handle a DNS request? My default FW behavior is block forwarding and and accept outgoing trafic. 67. Normally if the protocol you are forwarding is https then there should be a web server of some sort on your green network and so your destination should be the IP Address of your web server. I do see the firewall make connections to my DNS servers (DNS watch). How can I configure ipfire to use this standard? Currently I can see under status/connection that the DNS Server requests are sent to Port 53, not 853. During IPFire installation the DNS servers are added manually or they could be assigned via DHCP from the ISP provider. For privacy reasons, you might want to configure your IPFire to use DoT, so your ISP cannot snoop on your DNS traffic. Active entry, when not edited, it is not visible because it is printed with white color ink on almost white background. 9 149. Compared to the information given and your screens, the only thing I haven’t filled in is secondary DNS, primary NTP server and secondary NTP server for the green and blue network. DMZ servers cannot get updates without DNS. 1 is the Fritzbox in a configuration internet->fritzbox->ipfire->mynetwork; 192. Block all DNS traffic except through IPFire’s DNS proxy But this is not what I want. The logfile says: Further updates will be withheld until 2022-09-23 12:00:00. V. The second dns in the dhcp of the ipfire is the ip of the pi-hole, so all traffic goes through it dns server the ipfire because the ipfire ip is configured in the pi-hole as upstream Hello together, i have a question about my configuration for my green and blue network. That means IPFire receives them from one network and sends them out on an other network if that is permitted by the ruleset. See the Distribution by DNS section. In your screenshots these are lacking for gateway and recursor01. From there, it obtains a static IP via DHCP. Ipfire DNS 192. This section finishes the DNS server setup with a few important To protect your network against DNS hijacking attacks, there is a new way to configure the firewall so DNS traffic only uses the DNS server built-in to IPFire. Log viewing options. 1: 138: The recorded log entries can be accessed via the IPFire WUI on the log -> Firewall Logs" tab or by the /var/log/messages" file on your IPFire filesystem. 100. ; Log summaries What is it that you are trying to access from the internet. this is the DNS server I use so I know it works! this is just But to protect users who get spammy phishing links in emails, it is so fantastically light weight to just not resolve the DNS query. 168. I have not added any firewall If you use a telephone system in your green network (unify) with SIP and “Deutsche Telekom” you never should write a Firewall-rule like Source: green with use destination NAT (Port Forwarding) Destination: Firewall Protocol: 53 DNS because you will get inexplicable aborts several times a day, but not regularly This mistake in our house was very hard to find - until The ddns. 1 is the ipfire green0 iface; 192. 1:444; I can ping 8. 27 (x86_64) - Core Update 160 I would like to configure my ipfire box so that it provides a DNS over TLS service to the network clients in the green network. 218. 112. Host-to-Net Settings. 1, because it’s a WSL machine and typically uses the host (comparable to how Docker works) as (DNS) gateway, which forwards it (not transparently) to its own DNS server. The DNS request is send to de firewall’s IP adres (because of primary DNS in the DHCP configuration). This is dangerous, as a variety of attacks based on malicious use of ICMPv6 are known; see, for example, this configuration guide for ICMPv6 types that should be permitted in a secure configuration. By fully automatic I mean that I go install the IPFire box, configure it as per the Wiki and then whenever a user opens their browser, the automatic configuration as set by DHCP just kicks in. They will be dropped and logged by the firewall as "new not SYN" packets which will show in the Logs as DROP_NEWNOTSYN records. DNSSEC; Configuring upstream DNS servers The IP blocklist feature is IPFire's way of take this into account, and make further protection against network threats easy and resource-efficient. Protocol: preset, Service group DNS (Create a service group for TCP and UDP port 53). # Check will be performed with kdig which strps out information about # Certificate validation, DNSSEC, Time and encryption. Right now, the I noticed that ipfire’s unbound. lightningwirelabs. Networking. 0 IPfire Wan 192. com. x. Because dnsmasq did not recursively resolve DNS queries, it IPfire can only connect to public or ISP DNS resolver. DNS forwarding is done by Domain Name System (dns. On the other questions (OpenVPN, DDNS) I didn’t find an answer yet. To answer your topic question: dnsmasq is a lightweight DHCP and DNS server. Most pages have a link to the associated wiki page (the 'help question mark'). 1 or 9. 3 - IpFire Green0 Interface (i. Therefore I set up two DNS server addresses: 46. 8 and 8. What will happen if somebody is using external DNS Please note: IPS is stopped. Connection Types IPFire will mark them as new but without a known connection. 30: 450: 25 June 2024 DNS over HTTPS - how to. 1). 1 Hi, I have a question about the general structure. That’s the reason why i’ve added long before core 141 two others DNS-servers from the IPFire-list. I do not know if this is new in CU 189 or was already introduced several weeks ago. DIG says : disapo. a security maner, then add those to DNS of IPFire as Hosts or as DNS Forward. I am operating a pihole DNS-Resolver running on a machine inside the green network and i want all clients in green and blue to use this server for DNS-requests. I was aiming at following this guide Are there any implications in regards to IPFire I need to address? This AD, would So the clients connect to ipfire and have ipfire as DNS (blue, green) → ipfire has pihole (red) as DNS. The reverse tunnel stays live 24/7, but I only need occasional access from my end. hostname of certificate can be configured in setup form but that domain name is not visible in configuration overview. The DMZ should be 10. When I use “check DNS”, DNSSEC is verified but no information related to TLS is shown. it is blocked. Menu. Only 1 can be set here. I cannot see DNS names (IP->DNS), all I have to do all that manually. This file specifies runtime configuration parameters for the programm and contains configurations for dynamic host entries that are managed by ddns. 27 (x86_64) - Core-Update 171 I think I incorrectly assumed that it only queries authoritative ROOT nameservers and recursively caches domains The reason I am asking is because I want to block DoH servers. In /var/log/messages there are many log entries like: Dec 16 18:14:53 ipfire unbound: [13668:2] d Hi, this looks like you configured a DNS forwarding for an empty zone. Like 9. The first step to start configuring IPFire is to login to the web user interface. abc. ipfire. Once the client IP_FORWARDING on the OpenVPN client has turned on, a client-side Domain [name] - The DNS suffix can be set with[name] . so if your machine is my_machine. The default firewall rules seems do not allow this. Menu Hi, sorry for the late reply. On top of the page you can see all the categories that can be blocked. IPfire Lan 192. For these zones, all DNS queries will be forwarded to the respective name servers. DHCP server on Windows Server 2008 domain, use DNS shows expired entry. You will find all that you need to know about how to manage this on these pages. Maybe, the best recommendation could I have the proxy running in the BLUE zone. org Posted in IPFire , Security Hi In my application, I want to setup an ssh reverse tunnel. conf omits options. 1 (= IPFire DNS server) One solution for this is to configure Pi-hole to forward these requests to your DHCP server (most likely your router), but only for devices on your home network. In this case, only block port 853 for any forwarding traffic, not for outgoing one, which is generated by IPFire itself. I don’t have any port forwarding. 99). Is there anyone can help me wit the configuration of the firewall. For example, you can instruct a client to route his network, or to push him individual server routes. However, you can change all these settings after installation with IPFire's Web UI . IPFire – https://www. 1) Secondary DNS should be a public DNS (like 8. If you have followed these steps correctly and your configuration looks like mine (see screenshots), you should have successfully blocked external DNS server usage. 68 (dismail. Log dropped outgoing packets. I want to make all NTP traffic (UDP/123) Client requests a website → UnBound DNS resolver in IPFire receives lookup request, checks cache, serves IP if there is a cache hit, otherwise, forwards to DNS server → DNS server receives lookup and returns IP to UnBound DNS resolver, which caches the data, and then forwards the IP to the client. 25 (armv5tel) - Core Update 143 but also on previous Core Update 142 it’s doesn’t work. no server to query nameserver addresses not I have failed to make an AD many times, but would like to give it a shot again. With client-config-directory (CCD on IPFire is findable under /var/ipfire/ovpn/ccd) it is possible to save client specific configuration files for each client. This page gives an overview of the DNS capabilities of IPFire. FIXME explain port-forwarding rule for 80 --> 81 on the firewall interface of the zone WPAD should be enabled for. Let’s try a few things: Disable all of the DNS in your list - just as a test; Add a Quad9 DNS server @ 9. configure a hostname for an host in the local LAN. org” servers. dns. And the DNS Servers’s status is as below: My router’s ip addr is as below: The red is the dhcp ip addr So user request google DNS. 48” of “Digitalcourage e. . I have one single entry in the Hosts configuration, and DHCP server, that does not want to work right. 13. org result in a . There is a proxy configuration script provided by IPFire by default. Set up an internal DNS server for resolving private IPs. 117 got SERVFAIL and this always coincides with the update of the Dynamic DNS service. A graphical or text-based overview of the IPFire log files: The logs are kept for one year, so logs for a date m/d maybe from the year before. Step 2: Set Up DNS Resolution for Private IPs You have two options here: Option A: Use an Internal DNS Server. I have a problem trying to setup a pi-hole dns server correctly. org” and “1. This was not a problem a year ago. 241. 1 34. one (both 1. 3 - IpFire Red0 Interface 192. Your Red interface should now work properly, but outside users cannot connect to See the Distribution by DNS section. The pi-hole is setup to use IPFire as external DNS server (10. To enjoy the benefits of DNS in such cases Dynamic_DNS has been developed. de) Both support DNSSEC and DNS over TLS. Personally, it is hard to find a balance between make using IPFire as easy as possible in order to be helpful to as many people as possible, but do not oversimplify it at the same time. If you Hello, I want to configure ipfire to use secure DNS requests. I’d rather IPFire _ is the world's leading Open Source firewall distribution. I am not an Ipfire expert but only a user like you. For AD DNS config, rather than use root hints set Forwarder to ip address of ipfire firewall. No need for URL filtering or setting up a non-transparent proxy to catch https CU 189, entries for DNS forwarding are printed with invisible ink on web GUI. Sometimes this search works but in most cases it doesn’t work and I have to switch to google. I had a period from 00:07 to 01:47 this morning where all my dns servers were not working and I have a large number of SERVFAIL messages in my logs from that period but since 01:47 there has been no problem. After taking a closer look on how to achieve better DNS settings in terms of privacy, this post elaborates necessary steps for a secure configuration of IPFire's firewall engine. Microsoft Windows server is using recursive DNS. Skimming through the tutorial (it is dated before I joined the IPFire project), it comes as a surprise to me that it just accepts any ICMPv6 traffic. I presume I could simply configure the token as a password, but the gui will not accept that configuration without a password. DNS Proxy. 194 Configure squid web proxy interface An explanation of web proxy configuration options in IPFire. 1 Server: ipfire. The responses are cached, thus IP addresses of sites frequently accessed are delivered quickly. Here’s a sample from just the last few hours: Dec 29 10:58:31 ipfire unbound: [32411:0] error: SERVFAIL <gateway. But there is ipFire 🙂 it drops such packets. fw01: Zone: domain2. A reputation list trades off protection against false positives, so it is less likely to block addresses that have both good and bad traffic Looks like a few Reverse lookup failed type errors, eh?. local The forum of the IPFire Community - The Open Source Firewall. A browser will automatically start doing http lookups from one level up from your fully qualified machine name with a subdomain of wpad in front. I want to create a DMZ on the server with two firewalls. conf file is the main configuration file of the ddns update client. The function validdomainname() in generalfunctions. Because dnsmasq did not recursively resolve DNS queries, it Out of the box, IPFire uses Unbound DNS server in forwarding mode. It usually is a DynDNS hostname but can also be a static IP address. DNS Forwarding for Zones; Configuration of multiple upstream DNS recursors; Recursor/Standalone Mode; DNS-over-TLS, TCP or UDP Since IPFire 2. Continuing the discussion from URL filter for HTTPS: Hello - I am trying to redirect all of my DNS traffic to go thru the IPFire DNS instead of directly to an outside DNS server. DNS of 192. 9 . c. See paragraph 2" Block all DNS traffic except through IPFire’s DNS proxy" (ignore paragraph 1), in particular subsection 2 " Create permit incoming firewall rules for IPFire’s DNS server". 1) of Router as Gateway. upstream server timeout and ipfire_ briefly loses co Hello everybody, I have a simple question regarding “How DNS works” on IpFire? My config is only red and green interfaces, on the red interface I have a static IP and a gateway IP configured. 1. Learn everything you need to know in the introduction. The last time was several years ago and the main hurdle was not understanding how to setup and configure local DNS servers, which seemed to have been a requirement. com, it will strip the my_machine and replace it with wpad and look for a file wpad. default gateway for When I use unbount as the DNS service, it usually doesn’t work as expected as the IPFire 2. ) The Notes: There is no DHCP server available in the IPFire DMZ, however it is possible to assign a static IP to a dedicated DHCP server in the orange zone which can service the rest of the orange network. unfortunately, the DNS rebinding configuration cannot be enabled as a default for all IPFire installations, as it presumes resolved resources not to be located in internal Hello everybody, I installed the IPFire Core update 141 today and i have problems with the new Domain Name System. Note: Every time you click Action: Enable Dynamic DNS and then click Apply the FreeDNS system will assign a new token. 1 and 1. I don’t know if this bug has been fixed upstream since then. I am using dns2. de as one of my dns servers in TLS mode and it is working fine, also with the overall status. 112 I checked with my ISP and they have not implemented any blocks for DNS over TLS but I am still checking. Hello, since yesterday ipfire tries to update the DynDNS every 15 minutes. Given that a DNS query is sent whether the site is legitimate or not, it consumes no additional overhead to just respond with a “blackhole” IP to a naughty domain. The syntax of the configuration Since IPFire 2. Next is green network’s configuration on the internet router: On the Networ+>DHCP Server page: Primary DNS should be green’s address (172. The red interface on IpFire faces the firewall/router, green interface faces all internal devices, etc. Here is my network setup. 4. So, some apps does not run via WLAN. I have port forwarding from RED to DMZ server and I have port forwarding My DNS configuration: IPFire uses its own DNS configuration in “Network > Domain Name System” and not the nameservers provided by the FritzBox (and Vodafone) to avoid DNS intercepting. DNS resolution operates above that layer, which means it can’t be managed by the firewall in its current form. 1 as one of the DNS servers, and a public dns address. Because redirecting requests does not require any changes/configuration of your clients, this is a common task to enforce the usage of the local DNS server or to redirect time sync requests to the local NTP server. But there are some apps that does not use the proxy and try to do a direct connection. 10. (and the its IP may change whenever the PC powers on or Comcast changes the IP lease. 8 is a Hallo my Englisch is very bad!!! I hope someone can help me or give me a few tips. See note at end of page; WINS [addr] - Sets with [addr] the primary WINS-server Route Push Options [IP/Subnetmask] - Beneath the default route to the green subnet, this option makes it possible to push additional routes to other subnets. net Server: 192. 239 52938 443(HTTPS) Any idea - greetings Network configuration. I use Brave as my primary web browser and I noticed that I have often issue when I try to search, Brave uses their search engine at search. ; There is no DNS server in the This guide explains how to setup firewall rules to redirect client requests for various services to the local firewall. 1, 192. Basically I have been having trouble getting internet access through ipfire. home is FreeNAS and FreeBSD systems has problem when IP address is not assigned by DHCP server, they do not retry. de. Windows server runs DHCP and DNS, with DHCP handing out DNS of AD Server only. 8). The blog post lacks screenshots on purpose, for reasons already pointed out by @anon33261557. Proxy extensions For advanced users - explains extensions available. In the client ipfire, some many versions ago I used GUI until GUI simply removed the “enable”, “edit” and ‘delete’ options for (and only for!) entries that This page shows detailed information about the required settings for all supported dynamic DNS providers. Out of previous problems I If I use the red0 upstreams it does looks forward for a public corresponding ip address. For DSL and other dial-up connections, IP-addresses are changing, and the OpenVPN-server would no longer be available! Hi, everyone ! Can you tell me if I can configure the program to work with one green network (local area network)? There is: A router with Internet access (wan static, gateway is - 192. firewell (Fire Well) 6 May 2020 03:39 5. 1 Normal DNS requests are processed as expected, but reverse lookup isn’t working for the forwarded zones. I’ve only GeoIP Rules defined (never change it since long time), After update 167 → 169 all 443 forward Ports are droped; DNS Ports are working. Restrict the access as best as you can by selecting a single host or group of hosts How did you configure unbound elsewhere? Because all supplied DNS servers have the ‘enable’, ‘edit’, ‘delete’ options. Configure the URL Filter. 1 Non-authoritative answer: Name: nb-01. Every other entry in my DNS configuration seems to work fine. DHCP has it own page Network → DHCP server DNS/unbound is set by Network → Domain Name System. When you install IPFire, you configure DNS name servers either manually or via DHCP from your provider. 27 (x86_64) - Core-Update 180? After the upgrade it became unstable and now DNS will fail if I enable TLS Using Quad9 name servers 9. I’ve read all the Wiki pages I could find but cannot achieve what I want using the examples there. , the file size is no longer changing). I have for DNS forwarding fails, i. Is there a way to redirect all packets As for the NTP server, these are IPFire’s “0. There is another server on my LAN, nas. xxx. Perhaps wrong NICs are assigned in the network configuration ar IPFire Community Setting up Blue internet access. Otherwise you have to register every client in the DNS-Server in ORANGE manually, and you have to ensure, that DHCP on IPfire delivers always the same Ip to the same MAC-Address. unqid unpb uqh tegmjow vlqnmn uavh zquzib bsm kgqhk cpow