$ perl netssh.pl
localhost: Reading configuration data /Users/username/.ssh/config
localhost: Reading configuration data /etc/ssh_config
localhost: Connecting to www.c2group.net, port 22.
localhost: Remote protocol version 1.99, remote software version OpenSSH_<some_version> FreeBSD
localhost: Net::SSH::Perl Version 1.29, protocol version 2.0.
localhost: No compat match: OpenSSH_<some_version> FreeBSD.
localhost: Connection established.
localhost: Sent key-exchange init (KEXINIT), wait response.
localhost: Algorithms, c->s: 3des-cbc hmac-sha1 none
localhost: Algorithms, s->c: 3des-cbc hmac-sha1 none
localhost: Entering Diffie-Hellman Group 1 key exchange.
localhost: Sent DH public key, waiting for reply.
localhost: Received host key, type 'ssh-dss'.