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WIP: router: fix firewall for dhcpv6-client

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This commit is contained in:
Yuri Tatishchev 2025-03-13 19:44:12 -07:00
parent 7abb0ecea5
commit ad61c36b76
Signed by: CaZzzer
GPG Key ID: E0EBF441EA424369
2 changed files with 8 additions and 8 deletions
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13
hosts/router/firewall.nix
View File

@ -1,9 +1,6 @@
{ config, lib, pkgs, ... }: { config, lib, pkgs, ... }:
let let
vars = import ./vars.nix; vars = import ./vars.nix;
domain = vars.domain;
ldomain = vars.ldomain;
sysdomain = vars.sysdomain;
links = vars.links; links = vars.links;
ifs = vars.ifs; ifs = vars.ifs;
pdFromWan = vars.pdFromWan; pdFromWan = vars.pdFromWan;
@ -49,7 +46,7 @@ in
# Drop router adverts from self # Drop router adverts from self
# peculiarity due to wan and lan20 being bridged # peculiarity due to wan and lan20 being bridged
# TODO: figure out a less jank way to do this # TODO: figure out a less jank way to do this
iifname $ZONE_WAN_IFS ip6 saddr ${links.lanLL} icmpv6 type nd-router-advert log drop iifname $ZONE_WAN_IFS ip6 saddr ${links.lanLL} icmpv6 type nd-router-advert log prefix "self icmpv6: " drop
# iifname $ZONE_WAN_IFS ip6 saddr ${links.lanLL} log drop # iifname $ZONE_WAN_IFS ip6 saddr ${links.lanLL} log drop
# iifname $ZONE_LAN_IFS ip6 saddr ${links.wanLL} log drop # iifname $ZONE_LAN_IFS ip6 saddr ${links.wanLL} log drop
@ -67,8 +64,10 @@ in
# Allow all traffic from loopback interface # Allow all traffic from loopback interface
iif lo accept iif lo accept
# Allow DHCPv6 client traffic # Allow DHCPv6 traffic
ip6 daddr { fe80::/10, ff02::/16 } th dport dhcpv6-server accept # I thought dhcpv6-client traffic would be accepted by established/related,
# but apparently not.
ip6 daddr { fe80::/10, ff02::/16 } th dport { dhcpv6-client, dhcpv6-server } accept
# WAN zone input rules # WAN zone input rules
iifname $ZONE_WAN_IFS jump zone_wan_input iifname $ZONE_WAN_IFS jump zone_wan_input
@ -77,7 +76,7 @@ in
iifname $ZONE_LAN_IFS jump zone_lan_input iifname $ZONE_LAN_IFS jump zone_lan_input
ip6 saddr $OPNSENSE_P6 jump zone_lan_input ip6 saddr $OPNSENSE_P6 jump zone_lan_input
log # log
} }
chain forward { chain forward {

3
hosts/router/ifconfig.nix
View File

@ -54,6 +54,7 @@ in
networking.dhcpcd.enable = true; networking.dhcpcd.enable = true;
networking.dhcpcd.allowInterfaces = [ ifs.wan.name ]; networking.dhcpcd.allowInterfaces = [ ifs.wan.name ];
networking.dhcpcd.extraConfig = '' networking.dhcpcd.extraConfig = ''
debug
nohook resolv.conf, yp, hostname, ntp nohook resolv.conf, yp, hostname, ntp
interface ${ifs.wan.name} interface ${ifs.wan.name}
@ -67,7 +68,7 @@ in
duid duid
ipv6rs ipv6rs
dhcp6 dhcp6
option rapid_commit # option rapid_commit
# DHCPv6 addr # DHCPv6 addr
ia_na ia_na