• TIPS

SSH Tips

#ssh , #tunnel , #keygen

SSH Tips

SSH Tunnel

$ ssh user@remote-host -L 9993:remote-host:9993

SSH Keyen

$ ssh-keygen -t rsa -b 4096 -C "email organization"

SSH-Forwarding

Like this guy’s example. After using nc for years, ProxyJump is now very useful!

Host forum
        HostName www.nixcraft.com
        ProxyJump vivek@jumhost.nixcraft.com:22
        User vivek

https://www.cyberciti.biz/faq/linux-unix-ssh-proxycommand-passing-through-one-host-gateway-server/

ForwardAgent

I’m not truly certain about the security implications of using ForwardAgent, but this article does suggest there are some issues. Regardless, the ProxyJump feature seems to handle everything I need.

https://heipei.io/2015/02/26/SSH-Agent-Forwarding-considered-harmful/

Sshuttle

This is useful for forwarding DNS requests through to another network, so that you can make local DNS requests in that network, without building a whole VPN service.

sshuttle --dns -r HOSTNAME 192.168.1.0/24 -v