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 proxy and double checked them  with no avail and git is throwing me the error shown in the title of the page

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I had this issue on a server of mine that was set up with it s regular IP and a failover IP  The failover IP did not point to the server at this time  I had to remove the failover IP from the server configuration in  etc netplan 01-netcfg yaml  Pointing the failover IP to that server would have probably solved the issue as well

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Changing the repo url from ssh to https is not very meaningful to me  As I prefer ssh over https because of some sort of extra benefits which I don t want to discard  Above answers are pretty good and accurate  If you face this problem in GitLab  please go to their official documentation page and change your config file like that    Host gitlab com   Hostname altssh gitlab com   User git   Port 443   PreferredAuthentications publickey   IdentityFile    ssh gitlab

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The answer above gave me the information needed to resolve this issue  In my case the url was incorrectly starting with ssh      To check the url in your git config is correct  open the git config file  -  git config --local -e   Check the url entry  It should NOT have ssh     at the start   Incorrect entry    url   ssh    git github com username repo git   Correct entry    url   git github com username repo git   If your url is correct  then the next step would be to try the answer above that suggests changing protocol to http

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For my case none of the suggested solutions worked so I tried to fix it myself and I got it resolved   For me I am getting this error on my AWS EC2 UBUNTU instance  what I did to resolve it was to edit the ssh config  or add it if it does not exist    sudo nano    ssh config  And I added the following  Host github com  Hostname ssh github com  Port 443   Then  run the command ssh -T git github com to confirm if the issue is fixed   According to this     Sometimes  firewalls refuse to allow SSH connections entirely  If using HTTPS cloning with credential caching is not an option  you can attempt to clone using an SSH connection made over the HTTPS port  Most firewall rules should allow this  but proxy servers may interfere   Hopefully this helps anyone else who s having the same issue I did

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inside the  ssh folder  Create  config  file  Host github com User git Hostname ssh github com PreferredAuthentications publickey IdentityFile    ssh id rsa Port 443  Host gitlab com Hostname altssh gitlab com User git Port 443 PreferredAuthentications publickey IdentityFile    ssh id rsa

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I was having this same issue  but the answer I found was different  thought someone might come across this issue  so here is my solution   I had to whitelist 2 IPs for port 22  80  443  and 9418    192 30 252 0 22 185 199 108 0 22   In case these IP s don t work  it might be because they got updated  you can find the most current ones on this page

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When I accidentally switched to a guest wifi network I got this error  Had to switch back to my default wifi network

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ISSUE   Step to produce issue  git clone git github com sramachand71 test git for the first time in the new laptop ERROR ssh  connect to host github com port 22  Connection timed out  fatal  Could not read from remote repository   Please make sure you have the correct access rights  and the repository exists  SOLUTION for the first time in the system to clone we need to give double quotes for the clone command     git clone  git github com sramachand71 test git  i face this issue in the system even after everything was correct but noticed at last that double quote is must for url  repository url git  for first time or new user in the system

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The reason could be the firewall modification as you are under a network  In which case they may deliberately block some ports  To double check if this is the reason     do  ssh -T git github com   this should timeout  If that s the case use http protocol instead of ssh this way just change your url in the config file to http  Here is how  -  git config --local -e   change entry of    url   git github com username repo git   to   url   https   github com username repo git

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Execute   nc -v -z  lt git-repository gt   lt port gt    Your output should look like    Connection to  lt git-repository gt   lt port gt  port  tcp    succeeded     If you get   connect to  lt git-repository gt   lt port gt   tcp  failed  Connection timed out   You need to edit your    ssh config file  Add something like the following   Host example com Port 1234

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I faced the same problem and couldn t find a working solution  I faced this problem while setting up a local server and the git couldn t connect through my proxy network but my workstation could  This was the output when I ran the command   ssh -vT git github com  ubuntu server    ssh -vT git github com OpenSSH 7 2p2 Ubuntu-4ubuntu2 8  OpenSSL 1 0 2g  1 Mar 2016 debug1  Reading configuration data  home ubuntu  ssh config debug1  Reading configuration data  etc ssh ssh config debug1   etc ssh ssh config line 19  Applying options for   debug1  Connecting to github com  13 234 176 102  port 22    So I tried using an SSH connection made over the HTTPS port by editing the config file     ssh config but to no avail   Host github com  Hostname ssh github com  Port 443   Finally  I found this article which solved and exposed the real problem     github com Host github com     Hostname ssh github com     ProxyCommand nc -X connect -x  lt PROXY-HOST gt   lt PORT gt   h  p     Port 443     ServerAliveInterval 20     User git   This is my config file and now git works perfectly well through ssh

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Restart computer solved it for me  Git version  2 27 0 windows 1 OS version  Windows 10 v1909

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Quick workaround  try switching to a different network  I experienced this problem while on a hotspot  3 4G connection   Switching to a different connection  WiFi  resolved it  but it s just a workaround - I didn t get the chance to get to the bottom of the issue so the other answers might be more interesting to determine the underlying issue

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I had this issue for 2 hours and it turns out removing the  s  from https and just do   git clone -b  lt branchName gt  http  lt projecturl gt   Fixed it

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The main reason was the change from the proxy installed by the company recently  which has blocked other ssh connections other than those to the company domain  I was able to connect successfully by following these steps   Double checked that the issue is what I am assuming by ssh -T git github com  It should end up in a timeout   Edited the local remote URL by  ssh config --local -e and from url git github com asheeshjanghu Journal git to url https   github com asheeshjanghu Journal git The important point is that in the url you have to change at 2 places  from git  to https     and from github username to github username In the end verify by doing a git fetch

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For me  the problem was from ISP side  The Port number was not enabled by the Internet Service Provider  So asked them to enable the port number over my network and it started working   Only to test  Connect to mobile hotspot and type ssh -T git bitbucket org or git pull   If it works  then ask your ISP to enable the port

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Basic URL Rewriting  Git provides a way to rewrite URLs using git config  Simply issue the following command   git config --global url  https     insteadOf git      Now  as if by magic  all git commands will perform a substitution of git    to https     source  git    protocol blocked by company  how can I get around that

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

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