Access List on the HQ PIX
access-list acl-out permit tcp any host 192.168.1.4 eq smtp
access-list acl-out permit tcp any host 192.168.1.5 eq www
access-list acl-out permit tcp any host 192.168.1.6 eq ftp
access-list acl-out permit udp any host 192.168.1.8 eq 514
access-group acl-out in interface outside