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 From:  "Tim Vaughan" <talltim at gmail dot com>
 To:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Regular IPsec errors reported in logs - is this a problem?
 Date:  Wed, 8 Mar 2006 11:41:38 +0000 
I have had a machine at my home network running OpenVPN.  To cut down
on the number of machines that I have running at home, I have switched
it off and am using IPsec on my m0n0 instead.  It maintains a VPN with
the m0n0 box at work.
The VPN seems to work ok so far although I have noticed the following
errors in the logs:

Mar 8 11:27:02 	racoon: ERROR: failed to pre-process packet.
Mar 8 11:27:02 	racoon: INFO: respond new phase 2 negotiation:
83.216.150.138[0]<=>212.159.111.240[0]
Mar 8 11:27:00 	racoon: ERROR: failed to pre-process packet.
Mar 8 11:27:00 	racoon: INFO: respond new phase 2 negotiation:
83.216.150.138[0]<=>212.159.111.240[0]
Mar 8 11:26:59 	racoon: ERROR: failed to pre-process packet.
Mar 8 11:26:59 	racoon: INFO: respond new phase 2 negotiation:
83.216.150.138[0]<=>212.159.111.240[0]
Mar 8 11:26:52 	racoon: ERROR: failed to pre-process packet.
Mar 8 11:26:52 	racoon: INFO: respond new phase 2 negotiation:
83.216.150.138[0]<=>212.159.111.240[0]
Mar 8 11:26:50 	racoon: ERROR: failed to pre-process packet.
Mar 8 11:26:50 	racoon: INFO: respond new phase 2 negotiation:
83.216.150.138[0]<=>212.159.111.240[0]

Ping times are similar (i.e. about 30ms) to what they were before,
there doesn't appear to be an increase in packet loss so from a user's
point of view it's working fine.  Should I be concerned about the
error logs above?  Do they indicate a problem that I can fix?

Thanks,

Tim