Port forwarding using SSH
SSH port forwarding let you connect to a server using another server a relay.
For example, if you host a web server in a DMZ behind your office router, you will not be able to access it using its public URL if your workstation is behind the same router.
You can easily implement a workaround if you have access to a server on the Internet. Issue this command on one of the machines connected on the same network as your workstation.
How to prevent SSHD to listen on an address family
March 1, 2014
· admin
Ubuntu 11.10
Unix
Ubuntu 11.04
Ubuntu
SSH
Ubuntu 12.04
It is possible to control on which address family sshd will listen to. In /etc/ssh/sshd\_config, simply add
AddressFamily any
to listen to IPv4 and IPv6 addresses. This is the default. Alternatively, add one of these to listen only to IPv4 (inet) or IPv6 (inet6) respectively.
AddressFamily inet
AddressFamily inet6
SSH login without password
November 10, 2011
· admin
Ubuntu 11.10
Unix
Ubuntu 11.04
SSH
It is possible to securely connect to a SSH server without a password. To do so, you must perform the following steps. It assumes that both machine are running a flavor of Unix.
On the client machine, open a shell window and execute the following command to create your private and your public key.
How to create a SSH tunnel
November 8, 2011
· admin
Ubuntu 11.10
Unix
Ubuntu 11.04
SSH
You can connect to a remote host [remote-host] using another machine [proxy-host]. This can be accomplished if the [proxy-host] as an SSH server running. To do so, logon to the [proxy-host] from your computer. Issue the following command at the command prompt:
Very slow connection to a SSH server
November 4, 2011
· admin
Ubuntu 11.10
SSH
A problem with the DNS configuration on a server can cause the login to the ssh server very slow. I can be fixed by adding the following line
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