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ipsec: Open ports in outgoing direction

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When the firewall policy is blocked, no outgoing IPsec connections
can be established. That is slightly counter-intuitive since we
open ports in the incoming direction automatically.

Fixes: #11704

Reported-by: Oliver Fuhrer <oliver.fuhrer@bluewin.ch>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
This commit is contained in:
Michael Tremer
2018-04-24 10:47:16 +01:00
parent 637eee2607
commit a3452c9030
1 changed files with 8 additions and 0 deletions
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8
src/misc-progs/ipsecctrl.c
View File

@@ -63,6 +63,10 @@ void open_physical (char *interface, int nat_traversal_port) {
safe_system(str);
sprintf(str, "/sbin/iptables --wait -A IPSECINPUT -p udp -i %s --dport 500 -j ACCEPT", interface);
safe_system(str);
sprintf(str, "/sbin/iptables --wait -D IPSECOUTPUT -p udp -o %s --dport 500 -j ACCEPT >/dev/null 2>&1", interface);
safe_system(str);
sprintf(str, "/sbin/iptables --wait -A IPSECOUTPUT -p udp -o %s --dport 500 -j ACCEPT", interface);
safe_system(str);
if (! nat_traversal_port)
return;
@@ -71,6 +75,10 @@ void open_physical (char *interface, int nat_traversal_port) {
safe_system(str);
sprintf(str, "/sbin/iptables --wait -A IPSECINPUT -p udp -i %s --dport %i -j ACCEPT", interface, nat_traversal_port);
safe_system(str);
sprintf(str, "/sbin/iptables --wait -D IPSECOUTPUT -p udp -o %s --dport %i -j ACCEPT >/dev/null 2>&1", interface, nat_traversal_port);
safe_system(str);
sprintf(str, "/sbin/iptables --wait -A IPSECOUTPUT -p udp -o %s --dport %i -j ACCEPT", interface, nat_traversal_port);
safe_system(str);
}
void ipsec_norules() {