[memo] ssh config example

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config example

))) LocalForward

"172.16.1.1:22001" and "10.1.1.1:11008" is accessible by "192.168.1.1" only.

Host step
 Hostname 192.168.1.1
 User user
 LocalForward 22221 172.16.1.1:22001
 LocalForward 22222 10.1.1.1:11008

Host server1
 HostName 127.0.0.1
 Port 22221
 User user1

Host server2
 HostName 127.0.0.1
 Port 22222
 User user2

))) same as

ssh -L 22221:172.16.1.1:22001 -L 22222:10.1.1.1:11008 user@192.168.1.1

))) use

ssh step
ssh server1 ( other console )
ssh server2 ( other console )

))) debug sample

ssh -v step
debug1: Local connections to LOCALHOST:22221 forwarded to remote address 172.16.1.1:22001
debug1: Local forwarding listening on 127.0.0.1 port 22221.
debug1: Local connections to LOCALHOST:22222 forwarded to remote address 10.1.1.1:11008
debug1: Local forwarding listening on 127.0.0.1 port 22222.