04.01.2016 22:05, João Paulo writes:
Hello all, I have a mystery and I need help. I have openssh(Cygwin) installed and working just fine in here. I can connect normally from any of my machines to the server using local IPs. Ex: ssh localhost or ssh 192.168.0.2. BUT, when using my external IP(over internet->real IP) it times out. I can validate that the service is up and running on http://www.canyouseeme.org/ on the port FW I did for this service. Port 22 is correctly FW to my SSHD server. On windows, I can only see an entry on Security Events(attached) and nothing else after that. (Means it is reaching my machine) I have tried to reinstall Cygwin, change ports. sshd_config is in default, disable firewall, AV. I ran out of ideas...... I had this working fine on previous window 7, now I am on Windows 10. Thanks.
Try to issue the `traceroute' command to your real IP over the Internet from a Linux computer and specify packet length 1452. If it fails, then maybe a misconfigured router (e.g. CISCO) on the way has a lesser MTU set and large packets sent by SSH do not get through. If your Internet service provider indeed has this problem, then "MSS FIX 1452" command issued on a CISCO router may fix it.
Oleg -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
