SSH Command Reference - SSH

Syntax

ssh -L [bind_address:]local_port:target_host:target_port [user@]ssh_server

Parameters	Description	Examples	Level
`-L`		`ssh -L 3307:localhost:3306 user@host`	Common
`-N`	command	`ssh -NL 8080:internal:80 user@host`	Common
`-f`		`ssh -fNL 8080:internal:80 user@host`	Common
`bind_address`	( 127.0.0.1)	`ssh -L 0.0.0.0:8080:internal:80 user@host`	Advanced
`-g`		`ssh -gL 8080:internal:80 user@host`	Advanced

ssh -NL 3307:localhost:3306 user@db-server
# : mysql -h 127.0.0.1 -P 3307 -u dbuser -p

localhost db-server, db-server 3306

ssh -NL 8080:internal-web.corp:80 user@bastion

Web, http://localhost:8080

ssh -fNL 6380:redis.internal:6379 user@gateway

, redis-cli -p 6380 Redis

ssh -NL 3307:db:3306 -L 6380:redis:6379 -L 8080:web:80 user@bastion

command

bind: Address already in use, lsof -i : ss -tlnp | grep,

channel 2: open failed: connect failed: Connection refusedSSH :,