Re: (PM) preventing security breaches

Scot W. Hetzel (hetzels@westbend.net)
Thu, 28 May 1998 13:49:10 -0500

From: Samudra E Haque <haque@pradeshta.net>

>I just had a chilling thought. What if..
>
>Does the portmaster 2e ComOs care about repeated hacking attempts
>from its WAN or LAN ports? Say some clever programmer were to repeatedly
>do a brute force attack on the device, :
>
> login: !root
> password: aaab
> login: !root
> password: aaac
> login: !root
> password: aaad
>
>and so on and on. Q:
> a) how would we identify the attack is taking place?

On a pm3 with ComOS v3.8b13 +, all admin logins are accounted for in the
RADIUS accounting logs.

> b) is it possible to stop it?

Yes,
1. By blocking telnet access to your portmaster at your router. Note:
It won't prevent your users from trying to hack the portmaster.

2. Adding a filter that allows only certain computers to access the PM via
the telnet port.

Scot

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