If you happen to be stuck behind a corporate firewall with only HTTP proxies for external access, you might still be able to SSH out through them using the built-in nc on *nix systems.
http-proxy
There is one post tagged http-proxy.
There is one post tagged http-proxy.
If you happen to be stuck behind a corporate firewall with only HTTP proxies for external access, you might still be able to SSH out through them using the built-in nc on *nix systems.