Re: Router's Firewall

From: Tracker (TheTrackers@attbi.com)
Date: 07/29/02


From: Tracker <TheTrackers@attbi.com>
Date: Mon, 29 Jul 2002 02:43:33 GMT


luis wrote:

> Hi,
> I would like to know how the firewall in the router works... and what this
> messages from the router's log would mean:
>
> Saturday, July 27, 2002 3:08:39 AM Unrecognized access from
> 162.84.251.167:22339 to TCP port 21
> Saturday, July 27, 2002 3:10:09 AM Unrecognized access from
> 66.106.6.227:2917 to TCP port 80
> Saturday, July 27, 2002 3:10:12 AM Unrecognized access from
> 66.106.6.227:2917 to TCP port 80
> Saturday, July 27, 2002 4:43:00 AM Unrecognized access from
> 66.148.161.19:59483 to TCP port 21
> Saturday, July 27, 2002 4:43:03 AM Unrecognized access from
> 66.148.161.19:59483 to TCP port 21
> Saturday, July 27, 2002 4:43:09 AM Unrecognized access from
> 66.148.161.19:59483 to TCP port 21
> Saturday, July 27, 2002 4:43:21 AM Unrecognized access from
> 66.148.161.19:59483 to TCP port 21
> Saturday, July 27, 2002 5:25:13 AM Unrecognized access from
> 61.34.16.130:3284 to TCP port 53
> Saturday, July 27, 2002 5:25:16 AM Unrecognized access from
> 61.34.16.130:3284 to TCP port 53
> Saturday, July 27, 2002 5:41:48 AM Unrecognized access from
> 217.136.33.167:2717 to TCP port 21
> Saturday, July 27, 2002 5:41:51 AM Unrecognized access from
> 217.136.33.167:2717 to TCP port 21
>
> I am using ZA Pro in my computers and I know that any scan is being blocked,
> I wander if the routers is able to do that.
> I know that Linksys installs ZA into their routers but all the routers I saw
> claimed firewall protection as well.
>
> Thanks for your attention.
> Luis.

Most of these IP addresses have open ports which makes them targets for
malicious hackers. A system which is being attacked, normally come from systems
with open ports or hacked systems. What it looks like to me is: your system
was already hacked before you installed the router. There are a few Backdoor
Trojan Horse Programs which dis-able your anti-virus program,

Tracker



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