Bad local forwarding specification 'ローカルのポート番号:接続したいサーバ:接続したいサーバのポート番号' スペースが足りなかったり、余分なスペースが入ると出るエラーらしい（ 参考 ）が、 Port forwarding, or tunneling, is a way to forward otherwise insecure TCP traffic through SSH Secure Shell. Discussion in 'Technical' started by algonco, May 14, 2008. so for this would be better to use dynamic forwarding (aka SOCKS proxy): ssh -D 9999 me@work and then set up your browser to pass data over this proxy, which would allow you to connect directly to the website using the same URL. The port is open by the router. Follow local procedures for reporting problems to IBM. You are nearly there. Code: This is again best to explain with an example. Tunneling Terminal Services over console. System action. The ssh –L option is set to a bad value value. Say that you’re developing a Rails application on your local machine, and you’d like to show it to a friend. First you need to specify the port on which th remote server will listen, which in this case is 9000, and next follows localhost for your local machine, and the local port, which in this case is 3000.

@Kenster is it exactly Bad local forwarding specification '22127:localhost:22127 [cluster_name]' – PL-RL Mar 12 '18 at 14:20 It returns an error: "Bad local forwarding specification '1234'" – brains_at_work Jan 6 '12 at 21:37 @matthias-ahnberg : Great, that did the trick. Then i had tried. -R creates a listener on the Remote side forwarding to something on the local machine/network). 解决方法：命令粘过来的空格有问题，先粘到记事本等地方转为纯文本，再粘过来就OK了。 The correct syntax for local port forwarding is -L [bind_address:]port:host:hostport but sequel pro uses forward slashes instead of colons between fields. – Jakuje Oct 6 '15 at 12:40 I would also use ssh keys (potentially sans passphrase or use a keyring of some sort) so you don't have to use pexpect. Remote port forwarding. AllowTcpForwarding Specifies whether TCP forwarding is permitted. The default is “yes”. 做一个ssh远程端口映射，报错：Bad local forwarding specification. You are nearly there. Now comes the second part of this tutorial, which is remote port forwarding. pc1 (linux) with ssh server at port 22. Basically, this will parse your ssh command line and if it finds a -p option followed by a numeric port specification, it will create a new ssh_config in /tmp/ssh_config by substituting every occurrence of myport with the numeric port value you specify on the command line. The program ends. Verify that the value for the ssh –L … System programmer response. There are two kinds of port forwarding: local and remote forwarding. ... [email protected]_ip_office Bad local forwarding specification '3389' algonco, May 15, 2008 #3. topdog Active Member.
做一个ssh远程端口映射，报错：Bad local forwarding specification解决方法：命令粘过来的空格有问题，先粘到记事本等地方转为纯文本，再粘过来就OK了。 1260 次阅读 with the dynamic forwarding, I can now use the port as a proxy and localhost:someport calls are directed to the remote server. User response. You can secure for example POP3, SMTP and HTTP connections that would otherwise be insecure. algonco, There … Sorry about that it is supposed to be like this. Bad local forwarding specification 'value' Explanation. But as with local port forwarding, the syntax remains the same. I would also use ssh keys (potentially sans passphrase or use a keyring of some sort) so you don't have to use pexpect. Try using the -N argument to your ssh command so it returns immediately after creating the tunnel: ssh -LN 3306:remote.db.host:3306 username@hostname.. Try using the -N argument to your ssh command so it returns immediately after creating the tunnel: ssh -LN 3306:remote.db.host:3306 username@hostname.. – brains_at_work Jan 6 '12 at 21:50 The bind_address of `localhost'' indi- cates that the listening port be bound for local use only, while an empty address or*' indicates that the port should be avail- able from all interfaces.-D [bind_address:]port Specifies a local ``dynamic'' application-level port forwarding.

pc2 (windows) terminal server. The available options are “yes” or “all” to allow TCP forwarding, “no” to prevent all TCP forwarding, “local” to allow local (from the perspective of ssh(1)) forwarding only or “remote” to allow remote forwarding only. They are also called outgoing and incoming tunnels, respectively.