![]() With (SQLyog) SSH-tunnel the MySQL client is the client API that is compiled into SQLyog (and SJA). It is true that Putty can be used for setting up a SSH-tunnel as well, but this is not the simple 'connect with Putty' most often referred to and compared with here. So here the MySQL client is the 'mysql' client on the remote server. Putty creates a remote (and secure) shell on the client machine, and connects to the 'mysql' client program on the server. Maybe so, but it does not tell very much (almost nothing actually!) because the type of connection with Putty or a similar program referred to here by users is not tunneling and does not make use of port forwarding. Sometimes when people are having problems with SSH-connections, we often hear "I can connect with Putty without problems". You can read about SSH-related error messages here.Ī concluding note on the popular 'Putty' program and SQLyog SSH-tunneling. With recent SQLyog versions this port is picked automatically from the pool of high-numbered ports not already in use. Each SSH-connection occupies a TCP-port at your local machine. Refer to the SQLyog help file for instructions how to set up the SQLyog Connections Manager, if you want to use SSH-tunneling with SQLyog. In general the "more professional" and "more expensive" hosting providers offer SSH and the cheaper ones don't. Unlike HTTP-tunneling you can't take it for granted that SSH-tunneling is available at your webhost. * It lets you access the MySQL server even if the MySQL port (3306) is blocked. * SSH can be used to encrypt communications between SQLyog and your remote MySQL server. There is a built-in SSH-client in SQLyog that lets you connect to a MySQL server using SSH.īasically there are two benefits of SSH Tunneling: Not much use of that, but it will give you an excellent understanding of what SSH is! Actually you may even install an SSH server at your own local machine and use it for connecting to a local MySQL server. However if you are totally unfamiliar with networking terminology you will have to study it somewhat. The SSH-server then "translates" and "transfers" that in-and outgoing communication to the database server. The term "SSH tunneling" in relation to a database server means that in- and outgoing communications to the network that hosts the database server "passes through" the SSH-server and uses the communications port (usually port 22) and the protocol of the SSH-server. Here you may notice this: "OpenSSH includes the ability to forward remote TCP ports over a secure tunnel, allowing that way arbitrary TCP ports on the server side and on the client side to be connected through an SSH tunnel". You can find more information about SSH at. There are SSH servers and SSH clients available for different types of communication. SSH has been ported to Operating Systems on several platforms including Linux, Microsoft Windows and Macintosh. SSH can use several different forms of encryption, anywhere from 56 to 1024 bit. SSH was originally created to provide a secure way to access server systems at "low level", to be used instead of common (but insecure) telnet methods. Proto Recv-Q Send-Q Local Address Foreign Address StateĪs far as I understand, there should be something listening on the 9000 port.The Acronym SSH stands for Secure Shell Host. Here's the list of the opened ports on the server: # netstat -listening -nĪctive Internet connections (only servers) It seems that PuTTy can't establish an SSH tunnel. PhpStorm is listening for connections and I can debug sites on my local machines with no problems, but the remote debugging doesn't work. Xdebug is listed in phpinfo() output and it successfully writes errors to the log, so I don't think that the problem is in the Xdebug's configuration. Forwards a connection from the client host to the SSH server host and then to the destination host port. There are three types of SSH port forwarding: Local Port Forwarding. Zend_extension=/usr/lib64/php/modules/xdebug.so Basically, you can forward any TCP port and tunnel the traffic over a secure SSH connection. Here's my /etc/php.d/xdebug.ini: Enable xdebug extension module I: Connecting to configured address/port: 127.0.0.1:9000. ![]() When I try connect to the server via browser (with appropriate cookies set up) I get the following error in the Xdebug logs: # tail /tmp/xdebug.log I can connect to SSH just fine and my tunnel settings are exactly like in the guide: My local development machine has Windows 7 and the remote machine has CentOS 6. ![]() I'm trying to set up remote debugging for PHP using Xdebug and PhpStorm.
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