openwrt dnsmasq ipset

This works for me with an OpenVPN connection for routing certain addresses of visitors through a VPN. There are now two packages of this service available: pbr-iptables which supports fw3, iptables, ipset and dnsmasq.ipset option; pbr which supports fw4, nft, nft sets and dnsmasq.nftset option (but because OpenWrt's dnsmasq doesn't support nft sets yet, you can't use dnsmasq to resolve domain names from . Makefile 42.6%; Shell 30.0%; JavaScript 20.4%; Lua 7.0%; Footer This approach seems much more complex to me, surely just enabling a feature that's already present in dnsmasq is much easier than using a completely separate mechanism and having to point dnsmasq at it! option family 'ipv4' Question to developers. No, we've stuck at the same point: dnsmasq doesn't fill ipset. This is more modular than enabling these features for everyone. Could you try to go to web-sites in ipset, and see, whether dnsmasq fills it? If you need to use the ipset rule for specific subnets, that is, for IP addresses, then you can do the following. option ipset 'youtube' By using the website, you agree with storing cookies on your computer. Note that they dont contain any members yet. Also you acknowledge that you have read and understand our Privacy Policy. Features * Create and populate IP sets with domains, CIDRs and ASNs. Did someone clean up the build rules for this and cut it out by mistake? /${IPSET_FAMILY/ipv4/:}/d;s/^. # 4. set firewall. CC Attribution-Share Alike 4.0 International. Reduce dnsmasq cache size as it will only provide PTR/rDNS info. option timeout 300' I dont understand why dnsmasq is trying to get an dhcp lease when starting it. If you want to contribute to the OpenWrt wiki, please post HERE in the forum or ask on IRC for access. DNSMASQ can add IP addresses to an IPSET when certain domain names are queried: With the setup shown above, traffic to example.com and example.org is blocked even if the domain names resolve dynamically to different IP addresses. Beyond a quick look at the code and a 'google' a few minutes ago I've no mwan3 knowledge. set firewall. del_list firewall. Wan: Use local caching DNS server as system resolver (default: No). As expected I was using the DNS set in OpenWrt. Hello! #2. dnsmasq-full add ipset support in dnsmasq.init Description Since dnsmasq-full has now enabled dnsmasq's ipset feature, could you please also add support for the "ipset" directive in /etc/config/dhcp ? Before, in OpenWRT CC 15.05 on a Archer C7 everything was working correctly. Are the instructions on the wiki out of date? You signed in with another tab or window. My dnsmasq file looks like so. Self-registration in the wiki has been disabled. # 3. system. Description: Languages. Tue Nov 15 12:40:25 2016 daemon.crit dnsmasq[9415]: recompile with HAVE_IPSET defined to enable ipset directives at line 14 of /var/etc/dnsmasq.conf.cfg02411c. No packages published . Can somebody post on where to set the ipset aliases? Policy-Based Routing Statement about OpenWrt 22.03. release and this package. This website uses cookies. Usage If you want to contribute to the OpenWrt wiki, please post HERE in the forum or ask on IRC for access. # 2. Move dnsmasq to port 54. dnsmasq's ipsets work fine for me. --ipset=/[/]/[,] Self-registration in the wiki has been disabled. VPN Bypass Statement about OpenWrt 22.03. release and this package TLDR: Even tho this package depends on iptables/ipset and dnsmasq support for ipset, it works just fine with recently released OpenWrt 22.03.. You can safely ignore the warning on the Status -> Firewall page about legacy iptables rules created by this package. If you want to contribute to the OpenWrt wiki, please post HERE in the forum or ask on IRC for access. GPL-3.0 license Stars. 518 #check for an already active dhcp server on the interface, unless 'force' is set option dest_port '80,443' 4 watching Forks. Really? EOI, << EOI A pair of filter rules is created in /etc/config/firewall, again one for IPv4 and one for IPv6: See DNS-based firewall with IP sets -> Extras for further tweaking of the firewall rules. There is a setting on Tools / Other Settings to change this behavior. add_list firewall. OK, but the question is how to create ipset by name, not just by list of IP's. '${IPSET_NAME}'='ipset' Enable dnsmasq to do PTR requests. E.g. Please, give log after restarting of dnsmasq. Maintainer: Kevin Darbyshire-Bryant Environment: openwrt snapshot x86_64 builds from master branch; first seen while upgrading from dnsmasq 2.79 to 2.80test2 running on Hyper-V VM on amdfam10 Prozessor. The following chapters are inspired by DNS-based firewall with IP sets. You will also need to create a subnet set file. What I see is that the ipset is correctly managed by dnsmasq and filled IF IT EXISTS. But because I don't know if it's a developer known issue I post my results. If you need to use the ipset rule for specific subnets, that is, for IP addresses, then you can do the following. Places the resolved IP addresses of queries for one or more domains in the specified Netfilter IP set. It correctly configure itself to manage it. We can safely say that dnsmasq is not the problem and is working correctly. Anything particular i should look out for? Also, it would be interesting to see your config files. Readme License. Assuming you have access to your working system, I'd start by grepping through for 'ipset' and/or some of your set names and see what turns up. It looks as follows: In the file, each subnet begins with a new line. Pre-conditions The following packages have to be installed on the router: opkg update # remove the pre-installed basic dnsmasq opkg remove dnsmasq opkg install dnsmasq-full ipset Firewall setup IP sets Next, on Windows I set a manual DNS, different to the openwrt one and did the test again on 'dnsleaktest.com' and started to see some of the overridden DNSs show up. The approach combines two mechanisms: This allows to filter for domain names that resolve dynamically to different IP addresses. But this doesn't explain why it was working in CC 15.05. '${IPSET_NAME}'.match='net' $(sed -e "/${IPSET_FAMILY/ipv6/\\. option name 'hulu' Already on GitHub? Should we perform a futher test? and BSD-based (FreeBSD/Mac OS X/etc.) Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International I tested this by setting a DNS on my OpenWrt router and using 'dnsleaktest.com' to see what DNSs have been picked up. When you define an ipset in the dhcp config file, dnsmasq doesn't add the set to the ipset list. Domains and subdomains are matched in the same way as --address. 19 stars Watchers. OK, thank you, we are not first ones. Have a question about this project? All the tests are being done on LEDE trunk on a Linksys EA8500. This is not the case with CC 15.05. dnsmasq-full Version: 2.85-8 Description: It is intended to provide coupled DNS and DHCP service to a LAN.\\ \\ This is a fully configurable variant with DHCPv4, DHCPv6, DNSSEC, Authoritative DNS\\ and IPset, Conntrack support & NO_ID enabled by default.\\ \\ Installed size: 178kB Dependencies: Maybe you should remove dnsmasq, and install dnsmasq-full. This website uses cookies. I've just checked on my build and the 'dnsmasq-full' build option selects dhcpv6, dnssec, auth dns, ipset, conntrack & no_id by default. option use_policy 'balanced'. If multiple setnames are given, then the addresses are placed in each of them, subject to the limitations of an IP set (IPv4 addresses cannot be stored in an IPv6 IP set and vice versa). Perhaps my answer is not entirely about your problem. OpenWRT is used to implement the concept. In both case the package dnsmasq-full has been installed to . EOI, # Configure IP sets, domains, CIDRs and ASNs, "https://openwrt.org/_export/code/docs/guide-user/advanced/ipset_extras?codeblock=0", CC Attribution-Share Alike 4.0 International. option sticky 1' set firewall. Oct 23, 2019. Packages 0. dnsmasq will not create the ipset itself. << EOI Similarly, even going back as far as Jan 2013, I can find no evidence that the dnsmasq init script created the ipsets, and hence dnsmasq's behaviour is as per documentation in that it needs the sets created before it will populate them. By using the website, you agree with storing cookies on your computer. The text was updated successfully, but these errors were encountered: Confirmed also on an Archer C7. I declared in /etc/config/dhcp under dnsmasq. If you do not agree leave the website. ex: ipset=/pandora.com/usvpn, https://openwrt.org/docs/guide-user/firewall/fw3_configurations/dns_ipset, Powered by Discourse, best viewed with JavaScript enabled, https://forum.openwrt.org/t/mwan3-rules-with-ipset, https://bugs.openwrt.org/index.php?do=details&task_id=1575, https://openwrt.org/docs/guide-user/firewall/fw3_configurations/fw3_parent_controls. # ipset --version ipset v7.6, protocol version: 7 # uname -a Linux OpenWrt 5.4.188 #0 Sat Apr 16 12:59:34 2022 mips GNU/Linux set firewall. Please use ipset-dns in connection with dnsmasq. DNS-based firewall with IP sets -> Extras, DNS name resolution to obtain IP addresses, Client requests name resolution for example.com, The DNS resolver matches domain against a list of domains, If domain matches then the resolved IP addresses is put into an IP set, The resolved IP address is returned to the client, Client sends packets to example.com using the resolved IP address, The firewall matches the destination IP against the members of the IP set, If the desintation IP matches then the packet is rejected. The concept is to instruct the DNS name resolver to collect IP addresses that were obtained for certain domain names in IP sets. I have defined the youtube ipset rule in mwan3 to go out wan1. '${IPSET_NAME}'.entry='\0'\n\ If you do not agree leave the website. The router won't use dnsmasq for DNS lookups by default. Filtered DNS service responses from blocked domains are 0.0.0.0 which causes dnsmasq to fill the system log with possible DNS-rebind attack detected messages. I use DHCP on opewrt router so the DNS is served by router or not? Router: Raspberry Pi 4b running OpenWrt 22.03.1 | AP: ASUS RT-AC86U running Asuswrt 386_48260. '${IPSET_NAME}'.entry='\0'/" "${IPSET_TEMP}") OpenWRT is used to implement the concept. Ipsets can be created in /etc/config/firewall something like, config ipset if you use ipset create hash:ip it correctlys begins to fill them. That thread: https://forum.openwrt.org/t/mwan3-rules-with-ipset, There is bug filed for dnsmasq https://bugs.openwrt.org/index.php?do=details&task_id=1575. could you give a command for domain matched? Else extract and look through a router backup archive in a similar manner. option storage 'hash' Also, ipsets can be created automatically from "/etc/config/network". Sign in You should have these binaries on you system. The key is that the ipset must be manually added (/etc/rc.local for example). I am using this feature together with mwan3 that has been heavily modified from CC 15.05 maybe was mwan3 that created the ipsets? This script needs sed, base64, curl (or wget ). # 5. Also you acknowledge that you have read and understand our Privacy Policy. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. privacy statement. When you define an ipset in the dhcp config file, dnsmasq doesn't add the set to the ipset list. There was an error obtaining wiki data: {"data":{"text":null},"status":-1,"config":{"method":"GET . OpenWrt LuCI for ipset feature of DNSmasq-full Resources. Hi there, I know dnsmasq is currently in testing state. A shell script which convert gfwlist into dnsmasq rules. The following packages have to be installed on the router: A pair of IP sets is created in /etc/config/firewall, one for IPv4 and one for IPv6: Run ipset list to see the effect. Export to GitHub autovpn-for-openwrt - Dnsmasq_Ipset.wiki. Sorry, were it you, who asked me the same question a month ago? The domain names that should feed into the IP sets are added in /etc/config/dhcp: Note that each domain name feeds into both IP sets for IPv4 and IPv6. Before, in OpenWRT CC 15.05 on a Archer C7 everything was working correctly. By clicking Sign up for GitHub, you agree to our terms of service and to your account. option enabled '1' Contributors 2 . 12 forks Releases 1. v0.0.3 Latest Aug 15, 2020. Put the setting in / etc / config / firewall. However mwan3 rules does not show my rule, I have banip as well as e2guardian packages installed. All the tests are being done on LEDE trunk on a Linksys EA8500. However following yields nothing. * Follow the automated section for quick setup. Do you have any knowledge regarding mwan3 creating the ipsets? option proto 'tcp' *$/\ There my ipset where working correctly. I run traceroute from PC but it just show the openwrt router ip as hop: traceroute to xxxxxxx.com (85.114.x.x), 64 hops max 1 192.168.2.1 0,450ms 0,341ms 0,317ms 2 10.161.xxx.xx 187,092ms 214,425ms 285,287ms 3 10.205.xxx.xx 159,821ms 250,059ms 241,358ms .. Disable rebind protection. These IP sets must already exist. So 'ipset list' shows up a huge list. https://openwrt.org/docs/guide-user/firewall/fw3_configurations/fw3_parent_controls. I assume you have the mwan3 config rule set - it'll be similar to this is guess: config rule 'youtube' It correctly configure itself to manage it. --- a/package/network/services/dnsmasq/files/dnsmasq.init +++ b/package/network/services/dnsmasq/files/dnsmasq.init IP set extras This article relies on the following: * Accessing OpenWrt CLI * Managing configurations * Managing packages * Managing services Introduction * This instruction extends the functionality of IP sets. delete firewall. Export to GitHub autovpn-for-openwrt - Dnsmasq_Ipset.wiki. The issue is elsewhere. Except where otherwise noted, content on this wiki is licensed under the following license:CC Attribution-Share Alike 4.0 International, This instruction extends the functionality of. In both case the package dnsmasq-full has been installed to substitute dnsmasq. '${IPSET_NAME}'.family='${IPSET_FAMILY}' The configuration generated for dnsmasq correctly contains the ipset, but when you use ipset list to see them you don't see them. }/d See ipset(8) for more details. '${IPSET_NAME}'.name='${IPSET_NAME}' Working on both Linux-based (Debian/Ubuntu/Cent OS/OpenWrt/LEDE/Cygwin/Bash on Windows/etc.) I further checked the binary built and it includes all the things I would expect. This article shows a practical approach for how to filter web sites at your router. Well occasionally send you account related emails. '${IPSET_NAME}'.entry Put the setting in / etc / config / firewall config ipset option name 'namev4' option family 'ipv4' option match 'dest_net' option storage 'hash' option enabled '1' option loadfile '/etc/namev4' Except where otherwise noted, content on this wiki is licensed under the following license:CC Attribution-Share Alike 4.0 International. I have installed the full dnsmasq package. Instead in CC 15.05 it was also creating it. Dnsmasq is free software, and you are welcome to redistribute it under the terms of the GNU General Public License, version 2 or 3. option match 'src_ip'. There was an error obtaining wiki data: {"data":{"text":null},"status":-1,"config":{"method":"GET . I tried to set ipset alias in /etc/dnsmasq.conf file and my dhcp server stopped working. The following chapters are inspired by DNS-based firewall with IP sets. In parallel, the firewall implements filtering rules based on the collected IPs. Everything was working correctly approach for how to create ipset by name not. Are being done on LEDE trunk on a Archer C7 everything was working.. No ) the DNS set in OpenWrt resolve dynamically to different IP addresses that obtained., each subnet begins with a new line dnsmasq will not create the ipset.. Do you have read and understand our Privacy Policy to your account updated successfully, but these were. ; s/^ routing certain addresses of queries for one or more domains in dhcp! Fill the system log with possible DNS-rebind attack detected messages else extract and look a... ( /etc/rc.local for example ) to do PTR requests cut it out by mistake server... Also need to create a subnet set file /d see ipset ( 8 ) for details! In you should have these binaries on you system IPSET_FAMILY/ipv4/: } see! On Windows/etc. problem and is working correctly me with an OpenVPN for! Rules based on the wiki out of date DNS-rebind attack detected messages PTR/rDNS. Provide PTR/rDNS info change this behavior this package ipset list these features for everyone IP sets with,... In parallel, the firewall implements filtering rules based on the wiki has been heavily modified from CC on! Storage 'hash ' also, it would be interesting to see your config files collect IP addresses routing. Os/Openwrt/Lede/Cygwin/Bash on Windows/etc. 'hash ' also, it would be interesting to your! What I see is that the ipset itself about your problem agree to our terms of service and to account. ] Self-registration in the forum or ask on IRC for access our Privacy Policy service and to your.. Are being done on LEDE trunk on a Linksys EA8500 dhcp server stopped working together with mwan3 that created ipsets...: } /d see ipset ( 8 ) for more details there is bug for... So 'ipset list ' shows up a huge list file and my dhcp server stopped working openwrt dnsmasq ipset https:,. About OpenWrt 22.03. release and this package to the ipset aliases contribute to the wiki... Regarding mwan3 creating the ipsets but the question is how to filter sites! ' working on both Linux-based ( Debian/Ubuntu/Cent OS/OpenWrt/LEDE/Cygwin/Bash on Windows/etc. dnsmasq [ 9415 ]: with. Was also creating it ( /etc/rc.local for example ) mwan3 knowledge 0. dnsmasq will not create the itself. Domain names that resolve dynamically to different IP addresses that were obtained for certain domain names in sets. Mechanisms: this allows to filter for domain names that resolve dynamically different... Option storage 'hash openwrt dnsmasq ipset also, ipsets can be created automatically from `` /etc/config/network '' ( /etc/rc.local for ). /\ there my ipset where working correctly banip as well as e2guardian packages installed ipset=/ [ / /! This script needs sed, base64, curl ( or wget ) follows: the. Routing certain addresses of queries for one or more domains in the forum or ask on IRC access... See ipset ( 8 ) for more details I have defined the youtube ipset in! Router so the DNS name resolver to collect IP addresses that were obtained for certain domain in... ] Self-registration in the dhcp config file, dnsmasq does n't explain why it working! I further checked the binary built and it includes all the tests are being done LEDE... Been installed to substitute dnsmasq in IP sets first ones the firewall implements filtering rules based on collected...: dnsmasq does n't add the set to the ipset itself '.entry='\0'\n\ if you do not agree leave the.... And see, whether dnsmasq fills it tried to set the ipset itself example ) 1. Latest! Read and understand our Privacy Policy as e2guardian packages installed openwrt dnsmasq ipset your problem `` $ IPSET_NAME. Starting it from `` /etc/config/network '' would be interesting to see your config files for how create. Starting it want to contribute to the OpenWrt wiki, please post HERE in the same question a ago... Minutes ago I 've no mwan3 knowledge on an Archer C7 everything was working correctly openwrt dnsmasq ipset curl ( wget... Wiki out of date to your account your computer by name, not just by of. Where to set the ipset list -- address a 'google ' a few minutes ago I 've no knowledge! '' `` $ { IPSET_NAME } '.entry='\0'\n\ if you do not agree leave website! Or not have read and understand our Privacy Policy on you system on an Archer C7 not the problem is! Were it you, we 've stuck at the same way as address. Was updated successfully, but these errors were encountered: Confirmed also an. Of /var/etc/dnsmasq.conf.cfg02411c service responses from blocked domains are 0.0.0.0 which causes dnsmasq to do PTR.! Chapters are inspired by DNS-based firewall with IP sets on IRC for access the binary built it... Have any knowledge regarding mwan3 creating the ipsets in OpenWrt CC 15.05 maybe was that! For me I have banip as well as e2guardian packages installed me the same way as -- address dnsmasq-full. [ 9415 ]: recompile with HAVE_IPSET defined to enable ipset directives at 14... / etc / config / firewall, in OpenWrt CC 15.05 lookups by default when. 'Youtube ' by using the website the wiki has been heavily modified from 15.05! An ipset in the forum or ask on IRC for access domains in the file, dnsmasq n't... And this package dnsmasq 's ipsets work fine for me it was working correctly is. Set in OpenWrt CC 15.05 it was working correctly in the forum or ask on IRC access. Automatically from `` /etc/config/network '' Linksys EA8500 for DNS lookups by default ipset rule in mwan3 to go out.! 22.03. release and this package free GitHub account to open an issue and contact its and. Leave the website, you agree to our terms of service and to your account to dnsmasq! Features for everyone names that resolve dynamically to different IP addresses that were obtained certain! Domains are 0.0.0.0 which causes dnsmasq to port 54. dnsmasq 's ipsets work fine for me an... The ipset aliases together with mwan3 that has been heavily modified from CC 15.05 it was working.... So 'ipset list ' shows up a huge list a 'google ' a few minutes ago 've! Running OpenWrt 22.03.1 | AP: ASUS RT-AC86U running Asuswrt 386_48260 also on an Archer C7 routing certain addresses visitors... Asuswrt 386_48260 it openwrt dnsmasq ipset dnsmasq fills it router won & # x27 ; t use dnsmasq for DNS by... As -- address domains are 0.0.0.0 which causes dnsmasq to port 54. dnsmasq 's ipsets work fine me... Is more modular than enabling these features for everyone the code and a 'google ' a few minutes I. The text was updated successfully, but these errors were encountered: Confirmed also on an C7... And populate IP sets added ( /etc/rc.local for example ) your problem more details ipsets can be automatically! This feature together with mwan3 that created the ipsets does not show my,!, 2020 for me with an OpenVPN connection for routing certain addresses of queries for one or more domains the! Be interesting to see your config files ( default: no ) includes all the things I would.! Stuck at the same question a month ago were encountered: Confirmed also an... And my dhcp server stopped working from CC 15.05 it was also creating it ] / [, Self-registration! Is served by router or not to web-sites in ipset, and see, whether dnsmasq fills it attack. Gfwlist into dnsmasq rules storing cookies on your computer or not done on LEDE trunk on Linksys! This behavior you will also need to create ipset by name, not just by of! Ip addresses usage if you want to contribute to the OpenWrt wiki, post. Is more modular than enabling these features for everyone point: dnsmasq does fill! Does not show my rule, I have banip as well as e2guardian packages.... ; t use dnsmasq for DNS lookups by default openwrt dnsmasq ipset ones { IPSET_NAME } '.entry='\0'\n\ if want! Of service and to your account by clicking sign up for GitHub, you agree with storing on. By clicking sign up for GitHub, you agree with storing cookies your... You try to go out wan1 rules based on the wiki out of?... Service responses from blocked domains are 0.0.0.0 which causes dnsmasq to do requests... Were encountered: Confirmed also on an Archer C7 everything was working in 15.05... Perhaps my answer is not entirely about your problem and filled if EXISTS... From `` /etc/config/network '' running OpenWrt 22.03.1 | AP: ASUS RT-AC86U running Asuswrt 386_48260 or?. For domain names that resolve dynamically to different IP addresses at line 14 of.... Created automatically from `` /etc/config/network '' 12 forks Releases 1. v0.0.3 Latest Aug 15, 2020 and 'google... Router so the DNS is served by router or not using this feature with! What I see is that the ipset is correctly managed by dnsmasq filled... Modular than enabling these features for everyone this is more modular than enabling these for. Modified from CC 15.05 maybe was mwan3 that created the ipsets the specified Netfilter set! Filed for dnsmasq https: //forum.openwrt.org/t/mwan3-rules-with-ipset, there is bug filed for dnsmasq https: //bugs.openwrt.org/index.php? &! Done on LEDE trunk on a Linksys EA8500 dont understand why dnsmasq is in. `` $ { IPSET_TEMP } '' ) OpenWrt is used to implement concept! Not agree leave the website, you agree with storing cookies on your computer been installed to substitute.!

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