Curl ssh proxy5/27/2023 ![]() Connection refused is a clear sign that port is accessible, but nothingâs responding on it. IMPORTANT: you would probably get a different message if firewall blocks the 8080 port. This scenario shows that connection is refused (probably because thereâs no service running on that port). We see the SSH version prompt: SSH-2.0-OpenSSH_7.4. ![]() In this example, SSH connection works because: Hereâs how you can do it using curl command and its telnet functionality. For SOCKS proxy, looking at man curl says: -socks5 Use the specified SOCKS5 proxy - but resolve the host name locally.Hereâs a quick video from UnixTutorial.TV channel of mine: Curl and system proxy proxy curl socks5 11,753 For HTTP proxy, use -x. Say, youâre helping with some firewall changes and need to confirm that connection from your server to some remote host and specific TCP port still works. But thereâs another great usage curl command has: testing TCP ports connectivity. ![]() this is probably the recommended way to copy a file from one server to another securely in PHP.You probably know about curl command: itâs great for downloading web pages or files from a Unix command line. Some times you can only access a remote server via ssh by first login into an intermediary server (or firewall/jump host). I'm not a PHP expert, but here's a rough example: Īnother option to consider is using sftp (ftp over ssh) instead of CURL. So that they can use them at runtime and access the target server via my proxy server.
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