Error:  There was a problem while connecting to git.assembla.com:22
​Connection timed out (Connection timed out)

Linux : sudo traceroute -T -p 22 git.assembla.com 

Mac: sudo tcptraceroute git.assembla.com 22 

Windows: tracetcp git.assembla.com:22 

For more details, please check this article  how to use TCP Traceroute

telnet git.assembla.com 22   and telnet git.assembla.com 443  

This information will help us find out if port 22 is blocked by your firewall or the firewall set up by your ISP.

A quick workaround is to use the Git HTTPS URL you can see in the Assembla app. 

git remote add origin-https <Assembla Git REPO HTTPS URL>
​git push -u origin-https master 

OR 

 Use git with altssh.git.assembla.com  and port 443 

Need help? Please contact us at support@assembla.com