> Hi,
>
> If someone could help me out here a bit, I'ld appreciate it. I'ld like to
> block incoming telnets to my PM3 (ComOS 3.8.2) to everyone except those
> coming from my Class C. I assume I'ld do this via a filter. I've looked
> through the archives, but still don't feel comfortable about how to
> accomplish this (I've not used any filters before and ought to remedy
> that!). Any help or pointers would be appreciated.
>From an unamed tech at LRABU, use at your own risk disclaimer ;)
BTW, you still better read about applying the filter as this just creates
it...
#
To setup a filter to stop these type of attacks.
Command>add stoptcp.in
Command>set stoptcp.in 1 permit 1.2.3.4/24 1.2.3.0/24 tcp dst eq 23
Command>set stoptcp.in 2 deny 0.0.0.0/0 1.2.3.4/24 tcp dst eq 23
Command>set stoptcp.in 3 permit 0.0.0.0/0 0.0.0.0/0
1.2.3.4/24 is the Pm3 ethernet IP address.
#
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