Firewall rule for incoming SSH: Network/mask setting for endpoint

Sep 23, 2007 1 Replies

Hello,



I'm using Kerio Personal Firewall 2.1.5.



When I ssh in from another computer, I am prompted for incoming TCP to port 22, connecting to c:\\Path\\Of\\SSHD\\Server from The.Remote.IP.address. So I created a rule for exactly that, except that I specified that the allowable remote IPs to be



Network Address: xxx.yyy.zzz.www Network Mask: 255.255.255.0



From confirming on usenet, this specifies IPs where www ranges from 0-255. This is the behaviour that I wanted, since, the IPs are assigned dynamically. It also seemed to work fine at the time that I created the rule.



However, it stopped working today. I specified the IP address as a range, and it started to work again. Then changed to back to network/mask -- still continued working.



Any ideas as to what might cause this?



Thanks.


It is broken software? Someone hacked it? Someone circumvented it?

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