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Asked: 2024-09-25T13:54:53+05:30 In:

I’m having trouble connecting to GitHub via SSH on port 22. When I try to establish a connection, I receive a message indicating that the connection was refused. Can anyone help me figure out why this is happening and how I can resolve the issue?

I’ve been really frustrated trying to connect to GitHub via SSH lately. So, here’s the scenario: I’ve set up my SSH keys and everything seems to be configured correctly, but every time I attempt to connect on port 22, I just get this super annoying message saying “connection refused.” I’ve checked my internet connection, so that’s not the issue. I’m starting to feel like I’m missing something obvious, but my brain is just blanking on it.

I even tried running `ssh -vT git@github.com` to see if I could get any clues, but it still returns that connection refused message. I’ve scoured Google and GitHub’s documentation, but I’m still stuck. It crossed my mind that maybe my firewall is blocking port 22? I’m using a personal computer at home, but I recently set up a new router and messed around with some of the settings, so it could be something there.

Did anyone else face this problem? I wonder if it has to do with my router configuration or maybe there’s something I need to change on my machine? I’ve heard that some ISPs block port 22 occasionally, but I didn’t think that would be the case for me. Anyway, another option I considered was switching to a different port, like 443, and seeing if I could get around the issue that way.

If anyone has encountered this before or can give me some hints on what to check, I would really appreciate it. It’s been a bit of a roadblock for me, and I was hoping to get some contributions pushed today. I don’t want to keep banging my head against the wall over something that might be a simple fix. Thanks in advance for any advice!

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    2 Answers

    1. It sounds like you’ve already done some good troubleshooting to identify potential issues, but connection problems with GitHub via SSH can sometimes be tricky. The “connection refused” message typically indicates that your local machine is able to reach the server but that the server is not willing to accept the connection on that port. Given your recent router setup, it’s definitely a good idea to check your router’s firewall settings. Ensure that outbound connections on port 22 are allowed. If necessary, consult your router’s documentation to confirm that any security settings you’ve implemented aren’t inadvertently blocking SSH connections. Additionally, look into your local firewall settings (like those in Windows Firewall or iptables if you’re using Linux) to verify they aren’t hindering your SSH attempts either.

      As you mentioned, some ISPs do block port 22, so it’s worth trying to connect using a different port, such as port 443 which is commonly used for HTTPS. To do that, you can modify your SSH configuration file (usually located at `~/.ssh/config`). Just add a section specifying that for connections to GitHub, you want to use port 443. Here’s an example: Host github.com and Port 443. After doing this, try your SSH command again. If the connection still fails, you could also check for any network-level issues or MAC address access controls on your router that might still be inhibiting your SSH capabilities. Overall, a systematic approach to checking these settings should help resolve the issue.



    2. GitHub SSH Connection Help

      SSH Connection Problem

      It sounds like you’re really stuck with that SSH connection to GitHub! I’ve definitely been there before, and it can be so frustrating.

      Here are a few things you might want to check:

      • Firewall Settings: You could be right about your firewall blocking port 22. Take a look at your firewall settings to make sure that SSH connections are allowed.
      • Router Configuration: Since you mentioned messing around with your router, it could be worth checking if there are any settings related to firewall or port forwarding. Sometimes, certain ports get blocked by default.
      • ISP Restrictions: Some ISPs do block port 22. You might want to give them a quick call or check their website to see if that could be the issue.
      • Try Port 443: Switching to port 443 is a smart idea! You can set it up by editing your SSH config file (usually found at ~/.ssh/config) like this: 
        Host github.com
    Hostname ssh.github.com
    Port 443
    User git
      • SSH Key Issues: Double-check that your SSH keys are properly added to your GitHub account. You can verify this by going to your GitHub account settings under “SSH and GPG keys.”

      Debugging:

      Running ssh -vT git@github.com is a great way to debug. It gives you a verbose output with connection attempts. Look through that output and see if there are any specific error messages that might help pinpoint the issue.

      Final Thoughts:

      It’s definitely frustrating, but don’t lose hope! Sometimes, the solution is simpler than it seems. You might get it working with a few tweaks, and you’ll be able to push your contributions in no time. Good luck!


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