diff options
| -rw-r--r-- | lass/2configs/gg23.nix | 91 |
1 files changed, 46 insertions, 45 deletions
diff --git a/lass/2configs/gg23.nix b/lass/2configs/gg23.nix index 6bcbd7400..51db9a40a 100644 --- a/lass/2configs/gg23.nix +++ b/lass/2configs/gg23.nix @@ -2,37 +2,56 @@ with import <stockholm/lib>; { + systemd.network.networks."50-et0" = { + matchConfig.Name = "et0"; + DHCP = "yes"; + # dhcpV4Config.UseDNS = false; + # dhcpV6Config.UseDNS = false; + linkConfig = { + RequiredForOnline = "routable"; + }; + # networkConfig = { + # LinkLocalAddressing = "no"; + # }; + # dhcpV6Config = { + # PrefixDelegationHint = "::/60"; + # }; + # networkConfig = { + # IPv6AcceptRA = true; + # }; + # ipv6PrefixDelegationConfig = { + # Managed = true; + # }; + }; + systemd.network.networks."50-int0" = { + name = "int0"; + address = [ + "10.42.0.1/24" + ]; + networkConfig = { + IPForward = "yes"; + IPMasquerade = "both"; + ConfigureWithoutCarrier = true; + DHCPServer = "yes"; + # IPv6SendRA = "yes"; + # DHCPPrefixDelegation = "yes"; + }; + }; networking.networkmanager.unmanaged = [ "int0" ]; - networking.interfaces.int0.ipv4.addresses = [{ - address = "10.42.0.1"; - prefixLength = 24; - }]; + krebs.iptables.tables.filter.INPUT.rules = [ + { predicate = "-i int0"; target = "ACCEPT"; } + ]; + krebs.iptables.tables.filter.FORWARD.rules = [ + { predicate = "-i int0"; target = "ACCEPT"; } + { predicate = "-o int0"; target = "ACCEPT"; } + { predicate = "-p ipv6-icmp"; target = "ACCEPT"; v4 = false; } + ]; + krebs.iptables.tables.nat.PREROUTING.rules = mkBefore [ + { v6 = false; predicate = "-s 10.42.0.0/24"; target = "ACCEPT"; } + ]; networking.domain = "gg23"; - services.dhcpd4 = { - enable = true; - interfaces = [ "int0" ]; - extraConfig = '' - option subnet-mask 255.255.255.0; - option routers 10.42.0.1; - option domain-name-servers 10.42.0.1; - subnet 10.42.0.0 netmask 255.255.255.0 { - range 10.42.0.100 10.42.0.200; - } - ''; - machines = [ - { ethernetAddress = "a8:a6:48:65:ce:4c"; hostName = "tv"; ipAddress = "10.42.0.3"; } - { ethernetAddress = "3c:2a:f4:22:28:37"; hostName = "drucker"; ipAddress = "10.42.0.4"; } - { ethernetAddress = "80:7d:3a:67:b7:01"; hostName = "s20-tv"; ipAddress = "10.42.0.10"; } - { ethernetAddress = "80:7d:3a:68:04:f0"; hostName = "s20-drucker"; ipAddress = "10.42.0.11"; } - { ethernetAddress = "80:7d:3a:68:11:a5"; hostName = "s20-wasch"; ipAddress = "10.42.0.12"; } - { ethernetAddress = "80:7d:3a:67:bb:69"; hostName = "s20-stereo"; ipAddress = "10.42.0.13"; } - { ethernetAddress = "ec:b5:fa:07:78:16"; hostName = "hue-bridge"; ipAddress = "10.42.0.21"; } - { ethernetAddress = "80:8d:b7:c5:80:dc"; hostName = "arubaAP"; ipAddress = "10.42.0.99"; } - ]; - }; - services.dnsmasq = { enable = true; resolveLocalQueries = false; @@ -45,22 +64,4 @@ with import <stockholm/lib>; interface=int0 ''; }; - - boot.kernel.sysctl."net.ipv4.ip_forward" = 1; - krebs.iptables.tables.filter.INPUT.rules = [ - { predicate = "-i int0 -p udp --dport 53"; target = "ACCEPT"; } # dns - ]; - krebs.iptables.tables.filter.FORWARD.rules = [ - { v6 = false; predicate = "-d 10.42.0.0/24 -o int0 -m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; } - { v6 = false; predicate = "-s 10.42.0.0/24 -i int0"; target = "ACCEPT"; } - { v6 = false; predicate = "-o int0"; target = "REJECT --reject-with icmp-port-unreachable"; } - { v6 = false; predicate = "-i int0"; target = "REJECT --reject-with icmp-port-unreachable"; } - ]; - krebs.iptables.tables.nat.PREROUTING.rules = mkBefore [ - { v6 = false; predicate = "-s 10.42.0.0/24"; target = "ACCEPT"; } - ]; - krebs.iptables.tables.nat.POSTROUTING.rules = [ - { v6 = false; predicate = "-s 10.42.0.0/24 ! -d 10.42.0.0/24"; target = "MASQUERADE"; } - ]; } - |