Cygwin sshd broken by seemingly trivial network change
Thu Dec 17 17:44:00 GMT 2020
On 12/16/2020 9:37 AM, firstname.lastname@example.org wrote:
> While installing a new router, I changed my local network from
> 192.168.4.* to 192.168.50.*. This seems to have broken Cygwin sshd on
> both of my remote computers, but only for Cygwin; sshd works fine if I
> boot the remote computer from a linux thumb drive. I have noticed no
> other problems with the new network configuration.
> nmap shows port 22 open on the remote server:
> nmap -p22 $ASUS12
> Nmap scan report for asus12 (192.168.50.105)
> Host is up (0.13s latency).
> PORT STATE SERVICE
> 22/tcp filtered ssh
The last line was a giveaway. The problem is with the Windows firewall.
However, I have found no remedy apart from totally disabling the
firewall. The old settings no longer work: sshd is enabled for both
private and public networks, but the firewall is still blocking access.
More information about the Cygwin