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ISI SSH Config
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| Match host isical-gateway exec "dig www.isical.ac.in | grep www-in" | |
| # We are inside ISI's network, use internal IP for gateway access. | |
| HostName 192.168.143.100 | |
| Host isical-gateway | |
| HostName gateway.isical.ac.in | |
| User <insert here> | |
| Port 2222 | |
| PreferredAuthentications password | |
| DynamicForward 11000 | |
| GatewayPorts yes | |
| LocalForward 11143 mail.isical.ac.in:143 | |
| LocalForward 11025 mail.isical.ac.in:25 | |
| # ProxyJump --> ProxyCommand "ssh -W" --> ClearAllForwardings yes; which we do NOT want. | |
| ClearAllForwardings no | |
| ControlPath ~/.ssh/cm-%r@%h:%p | |
| ControlMaster auto | |
| ControlPersist 10m | |
| Match host isical-* | |
| # We are tring to reach ISI, first connect to the gateway so that ports are forwarded properly. | |
| ProxyJump isical-gateway | |
| Host isical-csscadm | |
| HostName www.isical.ac.in | |
| User <insert here> | |
| PreferredAuthentications publickey,password | |
| IdentityFile ~/.ssh/isical_ed25519 | |
| IdentitiesOnly yes | |
| RequestTTY yes | |
| ControlPath ~/.ssh/cm-%r@%h:%p | |
| ControlMaster auto | |
| ControlPersist 10m |
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