[pve-devel] [PATCH] update update_nf_conntrack_max && nf_conntrack_tcp_timeout_established after modules load

Alexandre Derumier aderumier at odiso.com
Tue Apr 22 08:17:00 CEST 2014


/proc/sys/net/netfilter/nf_conntrack_tcp_timeout_established
and
/proc/sys/net/nf_conntrack_max

are empty by default, because conntrack module is not loaded, until we have apply iptables rules

So, we just need to update them after iptables commit (which load the conntrack modules)

Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
---
 src/PVE/Firewall.pm |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/PVE/Firewall.pm b/src/PVE/Firewall.pm
index 24bb524..23e34cb 100644
--- a/src/PVE/Firewall.pm
+++ b/src/PVE/Firewall.pm
@@ -2857,10 +2857,6 @@ sub apply_ruleset {
 
     enable_bridge_firewall();
 
-    update_nf_conntrack_max($hostfw_conf);
-
-    update_nf_conntrack_tcp_timeout_established($hostfw_conf);
-
     my ($ipset_create_cmdlist, $ipset_delete_cmdlist, $ipset_changes) =
 	get_ipset_cmdlist($ipset_ruleset, undef, $verbose);
 
@@ -2899,6 +2895,11 @@ sub apply_ruleset {
     }
 
     die "unable to apply firewall changes\n" if $errors;
+
+    update_nf_conntrack_max($hostfw_conf);
+
+    update_nf_conntrack_tcp_timeout_established($hostfw_conf);
+
 }
 
 sub update_nf_conntrack_max {
-- 
1.7.10.4



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