Re: nmap scan freezes D-Link DSL-504

From: Wilykiote (not_at_here.com)
Date: 09/29/04 

Date: Tue, 28 Sep 2004 19:56:20 -0400

robert_s@emailme.net.au (Robert S) wrote in
news:b13c3a9.0409270247.4635ce07@posting.google.com:

> I have recently installed a DSL-504 Generation II gateway router
> device in our office. I tested it with the Linux command "nmap
> mydomain.com" from another computer on the 'net and the DSL-5-4 froze,
> until I reset the device. I see on google.groups.com that others have
> had a similar problems with other similar devices.
>
> The log gives the following message on the device:
>
> [FIREWALL]Up 5 mins 4
> secs-Net_Bus_Scan:TCP,src:ip:203.221.196.199,dst:port:12345
>
> As nmap is frequently used by hackers on the net, this renders the
> device very unreliable because our office network is not continuously
> attended.
>
> I have installed the latest firmware update, but the problem still
> occurs.
>
> Is there a fix or a workaround?
>
> Thanks in advance,

I would complain to D-Link or invest in a better router such as a PIX
501. Great product and not terribly expensive, usually around $500 and
offers a tremendous amount of flexibilty. Not sure what options are
available to you in Australia but I would look into something else if D-
Link cannot come up with a fix for it. 

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