> old-mail01# tail -n10 access.log cache.log store.log > ==> access.log <== > 1147170439.085 4 172.16.11.175 TCP_MISS/403 1802 RPC_IN_DATA > http://webmail.giessen.nl/rpc/rpcproxy.dll? - > FIRST_UP_PARENT/webmail.giessen.nl text/html > 1147170439.096 3 172.16.11.175 TCP_MISS/403 1802 RPC_OUT_DATA > http://webmail.giessen.nl/rpc/rpcproxy.dll? - > FIRST_UP_PARENT/webmail.giessen.nl text/html Are you using NTLM (Windows Integrated Authentication) on the backend server? This authentication scheme can't be proxied very well, as far as I know. Joost
