Fixes: #12778
Signed-off-by: Peter Müller peter.mueller@ipfire.org --- src/initscripts/system/firewall | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/initscripts/system/firewall b/src/initscripts/system/firewall index fc355cd5d..2f4b4e30e 100644 --- a/src/initscripts/system/firewall +++ b/src/initscripts/system/firewall @@ -119,9 +119,13 @@ iptables_init() { iptables -A FORWARD -p tcp -j BADTCP
# Connection tracking chains + iptables -N CTINVALID + iptables -A CTINVALID -m limit --limit 10/second -j LOG --log-prefix "DROP_CTINVALID " + iptables -A CTINVALID -j DROP -m comment --comment "DROP_CTINVALID" + iptables -N CONNTRACK iptables -A CONNTRACK -m conntrack --ctstate ESTABLISHED -j ACCEPT - iptables -A CONNTRACK -m conntrack --ctstate INVALID -j LOG_DROP + iptables -A CONNTRACK -m conntrack --ctstate INVALID -j CTINVALID iptables -A CONNTRACK -p icmp -m conntrack --ctstate RELATED -j ACCEPT
# Restore any connection marks