{ config, pkgs, lib, ... }: { imports = [ # Include the results of the hardware scan. ./hardware-configuration.nix ./voip.nix ]; # Use the systemd-boot EFI boot loader. boot.loader.systemd-boot.enable = true; boot.loader.efi.canTouchEfiVariables = true; networking.hostName = "yate"; boot.kernel.sysctl = { "net.ipv4.conf.all.forwarding" = true; "net.ipv6.conf.all.forwarding" = true; }; networking.useNetworkd = true; services.resolved.dnssec = "false"; systemd.network = { networks."10-ens18" = { matchConfig = { Name = "ens18"; }; address = [ "10.42.10.6/24" "2a01:4f8:1c0c:8221::6/64" ]; gateway = [ "10.42.10.1" "2a01:4f8:1c0c:8221::1" ]; dns = [ "10.42.10.8" "2a01:4f8:1c0c:8221::8" ]; }; links."20-vlan132" = { matchConfig.MACAddress = "4e:9e:f3:3e:ed:36"; linkConfig.Name = "vlan132"; }; networks."20-vlan132" = { matchConfig = { Name = "vlan132"; }; address = [ "10.42.132.1/24" ]; }; links."20-vlan133" = { matchConfig.MACAddress = "86:3c:c7:51:c4:82"; linkConfig.Name = "vlan133"; }; networks."20-vlan133" = { matchConfig = { Name = "vlan133"; }; address = [ "10.42.133.1/24" ]; }; }; services.kea.dhcp4 = { settings = { interfaces-config = { interfaces = [ "vlan133" ]; }; subnet4 = [ { id = 133; subnet = "10.42.133.1/24"; pools = [ { pool = "10.42.133.100 - 10.42.133.240"; } ]; option-data = [ { name = "routers"; data = "10.42.133.1"; } { name = "domain-name-servers"; data = "10.42.10.8"; } ]; } ]; }; }; networking.firewall.enable = false; networking.nftables = { enable = true; ruleset = let tcpPorts = lib.concatStringsSep ", " (map toString config.networking.firewall.allowedTCPPorts); udpPorts = lib.concatStringsSep ", " (map toString config.networking.firewall.allowedUDPPorts); in '' table inet filter { chain input { type filter hook input priority 0; policy drop; iifname lo accept ct state {established, related} accept ip6 nexthdr icmpv6 icmpv6 type { destination-unreachable, packet-too-big, time-exceeded, parameter-problem, nd-router-advert, nd-neighbor-solicit, nd-neighbor-advert } accept ip protocol icmp icmp type { destination-unreachable, router-advertisement, time-exceeded, parameter-problem } accept ip6 nexthdr icmpv6 icmpv6 type echo-request accept ip protocol icmp icmp type echo-request accept tcp dport 22 accept tcp dport { ${tcpPorts} } accept udp dport { ${udpPorts} } accept iif {vlan132, vlan133} accept ip saddr { 10.42.10.9 } accept ip6 saddr { 2a01:4f8:1c0c:8221::9 } accept } chain forward { type filter hook forward priority 0; policy drop; ct state {established, related} accept iif {vlan132, vlan133} accept ip6 nexthdr icmpv6 icmpv6 type { destination-unreachable, packet-too-big, time-exceeded, parameter-problem, nd-router-advert, nd-neighbor-solicit, nd-neighbor-advert } accept ip protocol icmp icmp type { destination-unreachable, router-advertisement, time-exceeded, parameter-problem } accept ip6 nexthdr icmpv6 icmpv6 type echo-request accept ip protocol icmp icmp type echo-request accept ip saddr 10.42.201.0/24 accept } } ''; }; # This value determines the NixOS release from which the default # settings for stateful data, like file locations and database versions # on your system were taken. It‘s perfectly fine and recommended to leave # this value at the release version of the first install of this system. # Before changing this value read the documentation for this option # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html). system.stateVersion = "22.05"; # Did you read the comment? }