> I'm trying to get racoon running for vpn services, running 1.5.1, racoon
> package racoon-20010418a, and openssl package openssl-0.9.6.  When I start
> racoon I get ,

> WARNING: pfkey.c:2055:pk_check alg(): compression algorithm cannot be checked.

it is just warning.

> ERROR: isakmp.c:1270:isakmp_open(): failed to bind (addresss already in use).

i think you were running another racoon.
or other process bound the port number, 500.