New answers tagged ssh-tunneling
Add -q to the command you use to run ssh, from the man page: -q Quiet mode. Causes most warning and diagnostic messages to be suppressed. SSH man page
Assuming you just want to forward a SSH connection all the way down to C, you could e.g. make the SSH endpoint on B a dedicated user account, and then use the iptables owner module to match --uid-owner username in order to get that traffic to go out through the interface towards D.
You may need to specify a bind address on the -L option. Like: -L 192.168.1.100:1212:serverBehindFirewall:80 as requested, paste from below: Option "GatewayPorts" set to "yes" in /etc/ssh/ssh_config fixed the problem. This obviously does (almost) the same, as specifying "GatewayPorts yes". It binds to the specified address. The Option "GatewayPorts yes" ...
For those of you using chef, adding MaxSessions 1 to /etc/ssh/sshd_config will break knife ssh as it seems to rely on multiplexing. If anyone has a workaround for this, I'd love to hear it!!! (adding MaxSessions 1 and NOT breaking chef, that is...). NOTE: For above ^^^ You'll see errors like: ERROR: IOError: closed stream ERROR: Net::SSH::Disconnect: ...
Try use sshtunnel lib. Example: from sshtunnel import SSHTunnelForwarder from time import sleep with SSHTunnelForwarder( ('localhost', 2222), ssh_username="vagrant", ssh_password="vagrant", remote_bind_address=('127.0.0.1', 3306)) as server: print(server.local_bind_port) while True: # press Ctrl-C for stopping ...
You shouldn't believe everything you read on the Internet. :) There is no security problem with enabling TCPKeepAlive. There never was any such problem. The meaning of the warning in the sshd_config(5) manual is that you shouldn't rely on TCPKeepAlive alone, since an attacker can spoof it to fool the server into thinking a connection is still alive when it ...
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