ssh: connect to host github.com port 22: Connection timed out

Question

I am under a proxy and I am pushing in to git successfully for quite a while.
Now I am not able to push into git all of a sudden.
I have set the RSA key and the prox

Answer 1

Execute:

nc -v -z  

Your output should look like:

"Connection to   port [tcp/*] succeeded!"

If you get:

connect to   (tcp) failed: Connection timed out

You need to edit your ~/.ssh/config file. Add something like the following:

Host example.com
Port 1234