PostgreSQL 7.4.6 Documentation http://www.postgresql.org/docs/7.4/interactive/index.html より、 16.7. Secure TCP/IP Connections with SSL http://www.postgresql.org/docs/7.4/interactive/ssl-tcp.html 16.8. Secure TCP/IP Connections with SSH Tunnels http://www.postgresql.org/docs/7.4/interactive/ssh-tunnels.html あたりが、参考になると思います。 -- TAOKA Fumiyoshi