Kopiert von hier: http://blog.koehntopp.de/archives/2703-ssh-durch-den-Gateway-Host.html

ServerAliveInterval 10
ServerAliveCountMax 3
Compression yes
HashKnownHosts no
TCPKeepAlive yes
ControlMaster auto
ControlPath ~/.ssh/ssh_control_%h_%p_%r
 
Host router
    Hostname name.homeunix.org
    User name
    Port 4444
 
Host desktop
    Hostname 192.168.1.2
    User name
    Port 22
    ProxyCommand ssh router nc -w30 %h %p
    LocalForward 6667 127.0.0.1:6667
    LocalForward 1993 127.0.0.1:993
    LocalForward 1587 127.0.0.1:587
    LocalForward 1999 news.mein-freund.de:119
    DynamicForward 1080
 
Host *
    ForwardAgent yes

Habe ich daraus meine eigene Variante entwickelt:

Host *
        ForwardAgent yes
        ServerAliveInterval 10
        ServerAliveCountMax 3
        Compression yes
        CompressionLevel 2
        HashKnownHosts no
        TCPKeepAlive yes
        ForwardX11 yes
        ControlMaster auto
        ControlPath ~/.ssh/ssh_control_%h_%p_%r
 
Host server
        HostName server.hoster.tld
        User benutzer
        Port 4711
        LocalForward 3306 localhost:3306 # mySQL umleiten, z. B. für MySQL-Querybrowser
        DynamicForward 1080 # Socks-Proxy
 
Host server.ipv6
        AddressFamily inet6
        HostName 2001::deaf:beef
        User benutzer
        Port 4711
        LocalForward 3306 localhost:3306
 
Host heimserver
        AddressFamily inet #ipv4
        HostName heimserver.dyndns.org
        Port 4711
        LocalForward 127.0.0.1:8082 192.168.xxx.xxx:443 #Fritz!Box Remote administrieren ;)