[strongSwan] log

[Tobias Brunner]

Hi Richard,

> The {1} {2} {3} and {4} indicate the tunnels defined in ipsec.conf.

These are the unique sequential identifiers of the CHILD_SAs.

> How do I know which tunnel is logging e.g. the following line?:
> 
> Jul 28 11:27:18 vpn2 charon: 13[IKE] retransmit 1 of request with
> message ID 0

Please have a look at [1], in particular the `ike_name` setting.

> IOW: how do I know that thread 13 is belonging to which of the 4
> tunnels?

No one thread "belongs" to a tunnel.  Every thread of the thread pool
may work on any tunnel.

Regards,
Tobias

[1] https://wiki.strongswan.org/projects/strongswan/wiki/LoggerConfiguration