Hi all!
probably it is fixed in the latest snapshots but in 1.2.3-RC2 built on
Mon Aug 31 06:09:28 UTC 2009 it is a problem.
If you disable IPSec tunnel SPD entries for this tunnel are not removed.
I was struck by this problem because I use IPSec tunnels automatically
brought up when primary dedicated links between sites fail/come back up.
So when primary link comes up and the tunnel is disabled by my script
SPD entries are still in place, so no traffic goes over primary link.
I fixed this by
# diff -ru vpn.inc.20090925.bak vpn.inc
--- vpn.inc.20090925.bak 2009-09-25 10:30:24.000000000 -0400
+++ vpn.inc 2009-09-25 10:31:49.000000000 -0400
@@ -1258,7 +1258,7 @@
$spdconf = "";
/* Delete old SPD policies if there are changes between the old
and new */
- if(($tunnel != $oldtunnel) && (is_ipaddr($oldgw))) {
+ if(($tunnel != $oldtunnel) && (is_ipaddr($oldgw)) ||
$tunnel['disabled']) {
$spdconf .= "spddelete {$oldsa}/{$oldsn} " .
"{$oldtunnel['remote-subnet']} any -P out ipsec " .
"{$oldtunnel['p2']['protocol']}/tunnel/{$oldep}-" .
@@ -1278,7 +1278,7 @@
}
}
}
-
+if (!$tunnel['disabled']){
/* Create new SPD entries for the new configuration */
/* zap any existing SA entries beforehand */
foreach($sad_arr as $sad) {
@@ -1298,7 +1298,7 @@
"{$sa}/{$sn} any -P in ipsec " .
"{$tunnel['p2']['protocol']}/tunnel/{$rgip}-" .
"{$ep}/unique;\n";
-
+}
log_error("Reloading IPsec tunnel '{$tunnel['descr']}'. Previous
IP '{$oldgw}', current IP '{$rgip}'. Reloading policy");
$now = time();
It is not a problem in 1.2-RELEASE
Eugene
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