[Openswan Users] errno 22: Invalid argument and add_sa ipcomp failed

Paul Wouters paul at xelerance.com
Tue Jul 12 11:07:48 EDT 2011

On Tue, 12 Jul 2011, SCHNEIDER Benoit wrote:

> If I uncomment the compress=yes the VPN don't be established and I have this:

> 003 "vpn-name" #17749883: You should NOT use insecure ESP algorithms [ESP_NULL (0)]!

you should not use null encryption obviously..... I hope this is a test

> 003 "vpn-name" #17749883: ERROR: netlink response for Add SA comp.51750002 at public-ip-B included errno 22: Invalid argument

You are still using compress=yes. Did you reload the connection or restart openswan
after changing the config file?


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