Olle E. Johansson schrieb: Do you need client authentication? If not, AFAIK the connection the postgresql is TLS if configured on the postgresql server. /etc/postgresql/8.1/main/pg_hba.conf: # This file controls: which hosts are allowed to connect, how clients # are authenticated, which PostgreSQL user names they can use, which # databases they can access. Records take one of these forms: # # local DATABASE USER METHOD [OPTION] # host DATABASE USER CIDR-ADDRESS METHOD [OPTION] # hostssl DATABASE USER CIDR-ADDRESS METHOD [OPTION] # hostnossl DATABASE USER CIDR-ADDRESS METHOD [OPTION] # # (The uppercase items must be replaced by actual values.) # # The first field is the connection type: "local" is a Unix-domain socket, # "host" is either a plain or SSL-encrypted TCP/IP socket, "hostssl" is an # SSL-encrypted TCP/IP socket, and "hostnossl" is a plain TCP/IP socket.