swanctl: Describe what happens when a FQDN is specified in local|remote_addrs

diff --git a/src/swanctl/swanctl.opt b/src/swanctl/swanctl.opt
index cd2d9142ddb84af5f01a4675ea6501c368b52a59..142a271709121d4978dfdc75b3875f8fe8178748 100644 (file)
--- a/src/swanctl/swanctl.opt
+++ b/src/swanctl/swanctl.opt
@@ -28,6 +28,9 @@ connections.<conn>.local_addrs = %any
        connection from. As responder, the local destination address must match at
        least to one of the specified addresses, subnets or ranges.
 
+       If FQDNs are assigned they are resolved every time a configuration lookup
+       is done. If DNS resolution times out, the lookup is delayed for that time.
+
 connections.<conn>.remote_addrs = %any
        Remote address(es) to use for IKE communication, comma separated.
 
@@ -38,6 +41,9 @@ connections.<conn>.remote_addrs = %any
        connection to. As responder, the initiator source address must match at
        least to one of the specified addresses, subnets or ranges.
 
+       If FQDNs are assigned they are resolved every time a configuration lookup
+       is done. If DNS resolution times out, the lookup is delayed for that time.
+
        To initiate a connection, at least one specific address or DNS name must
        be specified.