From 2ed1a763c8db130262394649a0cc0ca3eb6cf8f2 Mon Sep 17 00:00:00 2001 From: lassulus Date: Wed, 16 May 2018 20:19:57 +0200 Subject: l: don't redirect ssh port from inner networks --- lass/2configs/container-networking.nix | 12 +++--------- lass/2configs/libvirt.nix | 3 +++ 2 files changed, 6 insertions(+), 9 deletions(-) diff --git a/lass/2configs/container-networking.nix b/lass/2configs/container-networking.nix index 98b56bd41..f04e4342d 100644 --- a/lass/2configs/container-networking.nix +++ b/lass/2configs/container-networking.nix @@ -1,12 +1,6 @@ { lib, ... }: { - #krebs.iptables.tables.filter.INPUT.rules = [ - # { v6 = false; predicate = "-i ve-+ -p udp -m udp --dport 53"; target = "ACCEPT"; } - # { v6 = false; predicate = "-i ve-+ -p tcp -m tcp --dport 53"; target = "ACCEPT"; } - # { v6 = false; predicate = "-i ve-+ -p udp -m udp --dport 67"; target = "ACCEPT"; } - # { v6 = false; predicate = "-i ve-+ -p tcp -m tcp --dport 67"; target = "ACCEPT"; } - #]; krebs.iptables.tables.filter.FORWARD.rules = [ { v6 = false; predicate = "-d 10.233.2.0/24 -o ve-+ -m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; } { v6 = false; predicate = "-s 10.233.2.0/24 -i ve-+"; target = "ACCEPT"; } @@ -14,9 +8,9 @@ { v6 = false; predicate = "-o ve-+"; target = "REJECT --reject-with icmp-port-unreachable"; } { v6 = false; predicate = "-i ve-+"; target = "REJECT --reject-with icmp-port-unreachable"; } ]; - #krebs.iptables.tables.filter.OUTPUT.rules = [ - # { v6 = false; predicate = "-o ve-+ -p udp -m udp --dport 68"; target = "ACCEPT"; } - #]; + krebs.iptables.tables.nat.PREROUTING.rules = [ + { v6 = false; predicate = "-s 10.233.2.0/24"; target = "ACCEPT"; precedence = 1000; } + ]; krebs.iptables.tables.nat.POSTROUTING.rules = [ { v6 = false; predicate = "-s 10.233.2.0/24 -d 224.0.0.0/24"; target = "RETURN"; } { v6 = false; predicate = "-s 10.233.2.0/24 -d 255.255.255.255"; target = "RETURN"; } diff --git a/lass/2configs/libvirt.nix b/lass/2configs/libvirt.nix index a71638323..78d5ae0e9 100644 --- a/lass/2configs/libvirt.nix +++ b/lass/2configs/libvirt.nix @@ -20,6 +20,9 @@ krebs.iptables.tables.filter.OUTPUT.rules = [ { v6 = false; predicate = "-o virbr0 -p udp -m udp --dport 68"; target = "ACCEPT"; } ]; + krebs.iptables.tables.nat.PREROUTING.rules = [ + { v6 = false; predicate = "-s 192.168.122.0/24"; target = "ACCEPT"; precedence = 1000; } + ]; krebs.iptables.tables.nat.POSTROUTING.rules = [ { v6 = false; predicate = "-s 192.168.122.0/24 -d 224.0.0.0/24"; target = "RETURN"; } { v6 = false; predicate = "-s 192.168.122.0/24 -d 255.255.255.255"; target = "RETURN"; } -- cgit v1.2.3