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-rw-r--r--lass/2configs/gg23.nix91
1 files changed, 46 insertions, 45 deletions
diff --git a/lass/2configs/gg23.nix b/lass/2configs/gg23.nix
index 89ccae408..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 = [
- { v6 = false; predicate = "-s 10.42.0.0/24"; target = "ACCEPT"; precedence = 1000; }
- ];
- krebs.iptables.tables.nat.POSTROUTING.rules = [
- { v6 = false; predicate = "-s 10.42.0.0/24 ! -d 10.42.0.0/24"; target = "MASQUERADE"; }
- ];
}
-