Installing and using OpenSSH

• Packaged with RedHat 7.1! (older version, however)
• Latest RPMS for RedHat can be acquired at http://www.openssh.com
• Must be rebuilt if you want to enable AFS token passing (a bit complicated, I won't cover this here, but I'll be glad to give you rebuilt RPMS)
• Configuration changes from the default openssh RPM:
  • Config files are /etc/ssh/ssh_config, /etc/ssh/sshd_config
  • To enable X11 forwarding: add ForwardX11 yes under Host * in ssh_config and (if you are running a server) add X11Forwarding yes to sshd_config
  • To make SSH2 the default protocol, add Protocol 2,1 to both ssh_config and sshd_config
• OpenSSH SSH1 interoperates well with SSH (and has all of the features of the commercial version). OpenSSH SSH2 is a full featured SSH2, but does not interoperate with commercial SSH (yet).