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

Firewall rule for incoming SSH: Network/mask setting for endpoint
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Subject Author Date
Firewall rule for incoming SSH: Network/mask setting for endpoint Dubious Dude 09-23-2007
Posted by Dubious Dude on September 23, 2007, 8:14 am
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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.

Posted by Sebastian G. on September 23, 2007, 8:25 am
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Dubious Dude wrote:


> I'm using Kerio Personal Firewall 2.1.5.
> [...]
> Any ideas as to what might cause this?

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

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