abnormal filtering firewall of ssh

[ArmandoC]

Hi, after the upgrade to plesk 11.5.3 i'm not able to connect via ssh to my server!
in plesk panel the rule are the same before the upgrade (SSH (secure shell) server Allow incoming from all)

if i disable the firewall the access work fine!

what's happening?
Thanks

 

[InderS]

Have you checked the firewall rules of your SSH port ?

 

[ArmandoC]

I have insert a new raw that allow all from the specific port and wirk fine, but my question is why after the upload all work and after, without chenge anything, the ssh are filtered?