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Configuring SFTP/SSH access for LXC Containers

Created On: 24 May, 2017: 09:10:33 - Tags : command line tools | network administration

Url: https://linux.die.net/man/1/redir

The Redir command allows redirecting TCP connections. It takes as argument, the listen address and port and the connect address and port

The listen address and port are the ip address and port at which the redir script will listen on. The connect ip address and port are the ip address and port that the redir command will connect to and forward the incoming TCP connection

The redir command is very useful for forwarding ports. For example it can be used to forward SSH connections to a container running inside a server. The server needs to run the redir command which will forward the SSH connection to the SSH server running on the container.

The following command may be used: redir --laddr=0.0.0.0 --lport=1001 --caddr=192.168.1.10 --cport=22 &. The '&' at the end causes the redir command to run in the background. It listens on port 1001 and all available ip addresses on the server. It redirects the TCP connection to ip address 192.168.1.10 and port 22, which is the standard SSH port. The SFTP/SSH client would need to establish a connection on port 1001 and ip address of the server.


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