[strongSwan] problems with charon in 4.4.1

Andreas Steffen andreas.steffen at strongswan.org
Mon May 23 23:44:22 CEST 2011

Hello Andreas,

debugging these many connections might be easier using the
condensed /var/log/auth.log which has the following entries:




On 05/23/2011 08:14 PM, Andreas Schuldei wrote:
> the charon log files for these four hosts are available for download here:
> http://origin.scdn.co/u/wp/alvina.ash.spotify.net-charon.log.gz
> http://origin.scdn.co/u/wp/annalise.ash.spotify.net-charon.log.gz
> http://origin.scdn.co/u/wp/annmarie.ash.spotify.net-charon.log.gz
> http://origin.scdn.co/u/wp/taylor.sto.spotify.net-charon.log.gz
> On Mon, May 23, 2011 at 2:46 PM, Andreas Schuldei
> <schuldei+strongswan at spotify.com> wrote:
>> hi!
>> I seem to be experiencing problems with charon in strongswan 4.4.1.
>> One problem is that charon sometimes failes to reinitiate SAs once
>> they expire. I set up a testbed with 17 hosts to reproduce and track
>> down the issue, as it takes some time for it to manifest.
>> since every host has several connections to the other peers in this
>> ipsec setup, it is tricky to see what log entry is caused by which
>> connection. how can single out the log entries from those
>> affected/failing connections? how can i get a verbose status dump from
>> charon showing what it thinks the status is of all the connections it
>> keeps track of?
>> i dont want to attache 16M of log files here. please advice what parts
>> are useful, and i would appreciate tips on how to extract those.
>> the hosts that i currenly see problems with are up:
>> root at taylor:~# fping annalise.ash.spotify.net annmarie.ash.spotify.net
>> alvina.ash.spotify.net
>> annalise.ash.spotify.net is alive
>> annmarie.ash.spotify.net is alive
>> alvina.ash.spotify.net is alive
>> but ipsec statusall has no SA for them. (see ipsec-statusall.txt)
>> please also find attached annalises and taylors ipsec.conf. the other
>> hosts' ipsec.conf is equivalent. there is always one initiator for
>> each connection.
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Andreas Steffen                         andreas.steffen at strongswan.org
strongSwan - the Linux VPN Solution!                www.strongswan.org
Institute for Internet Technologies and Applications
University of Applied Sciences Rapperswil
CH-8640 Rapperswil (Switzerland)

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