Re: Adsl modem freeze with OS scan

["Eddie Bell" <ejlbell () gmail com>]

I had this problem with a router from my ISP. I think the hardware was
so cheap it couldn't handle the traffic nmap generated. In the end I
just got a new router.  Although, you could try updating your modems
firmware or playing with nmap's timing options[1]

thanks
 - eddie

1 - http://insecure.org/nmap/man/man-performance.html

On 15/06/07, chaitanya <rangabng () yahoo com> wrote:
> hello folks, I am from India and my connection to the
> amazing world of internet is via ADSL router.
> Device
> Info:http://www.huawei.com/products/terminal/products/view.do?id=86
> its Huawei Smartax 841 modem.
> My Operation Systems(dual boot):
> WinXP and Kubuntu
> I run nmap under both the OS and face the same
> problem.
> the command 'namp -sS -T4 -O scanme.nmap.org' starts
> the scan but after a few seconds the modem freezes and
> i can't browse the net although nmap runs at a slower
> pace(very slow indeed refering to the progress of the
> scan), and the scan never completes. This problem is
> with majority of the targets(almost all with which
> i've experimented). My ethernet card is Dlink
> DFE-520TX. Please help me in this regard.
>
>
>
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