--(~/.ssh)-------------------------------------------------------------------------------------------(pts/4@master)--
cat config
host fire
HostName romster.dyndns.org
Port 22
User git
IdentityFile ~/.ssh/joe9

Host github.com
User git
Port 22
Hostname github.com
IdentityFile ~/.ssh/github
TCPKeepAlive yes
IdentitiesOnly yes

Host ssh.github.com
User git
Port 443
Hostname ssh.github.com
IdentityFile ~/.ssh/github
TCPKeepAlive yes
IdentitiesOnly yes
--(~/.ssh)----