After updating to 5.2 current, I noticed, that incoming phase-1 requests get drop due to ( from /var/log/messages )
Sep 17 21:20:51 q-dsl isakmpd[951]: attribute_unacceptable: life attribute received, none in policy Sep 17 21:20:51 q-dsl isakmpd[951]: attribute_unacceptable: life attribute received, none in policy Sep 17 21:20:51 q-dsl isakmpd[951]: message_negotiate_sa: no compatible proposal found Sep 17 21:20:51 q-dsl isakmpd[951]: dropped message from a.b.c.d port 500 due to notification type NO_PROPOSAL_CHOSEN I tried to add the new lifetime parameters in ipsec.conf, but this did not make any difference. Best Regards / Mit freundlichen Grüßen Christoph Leser S&P Computersysteme GmbH Systemhaus für Logistik Zettachring 4 70567 Stuttgart www.sup-logistik.de Tel.: 0711 72641 0 Fax: 0711 72641 70 Amtsgericht Stuttgart HRB 11921 Geschäftsführer Jürgen Probst, Horst Reichert