I have a cat5 network at home. I want to keep one of the rooms from
running napster like software that seems to send out a lot of outbound
traffic to many different IPs. Can I prevent this with my router
without limiting internet access?
Thanks.
In article <1194056131.363567.82790@y42g2000hsy.googlegroups.com>,
jobs@webdos.com says...
> I have a cat5 network at home. I want to keep one of the rooms from
> running napster like software that seems to send out a lot of outbound
> traffic to many different IPs. Can I prevent this with my router
> without limiting internet access?
NO.
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jobs wrote:
> I have a cat5 network at home. I want to keep one of the rooms from
> running napster like software that seems to send out a lot of outbound
> traffic to many different IPs. Can I prevent this with my router
> without limiting internet access?
>
> Thanks.
>
It's quite difficult to limit internet access without limiting internet
access.
Sander
Post removed (X-No-Archive: yes)
well.. i'm not sure if this was the result of what I did. But my
router does have a built in Firewall and I am able to limit what
ports can be accessed by computer on my subnet. I noticed the problem
was all outbound and to different ports going to countless IP
addresses. With my router, I created 3 new access rules limiting
access to ports 24 - 79 , 80-442 , and 444 to the max number on all my
IP addresses and the traffic stopped. I've tested and I have no
apparent problem surfing or serving.
"jobs"
news:1194194881.098898.318850@o38g2000hse.googlegroups.com.. .
> well.. i'm not sure if this was the result of what I did. But my
> router does have a built in Firewall and I am able to limit what
> ports can be accessed by computer on my subnet. I noticed the problem
> was all outbound and to different ports going to countless IP
> addresses. With my router, I created 3 new access rules limiting
> access to ports 24 - 79 , 80-442 , and 444 to the max number on all my
> IP addresses and the traffic stopped. I've tested and I have no
> apparent problem surfing or serving.
It's only a Band-Aid solution. You need to use tools and go look on the
machines and see what is causing the outbound and stop it.
http://www.windowsecurity.com/articles/Hidden_Backdoors_Troj an_Horses_and_Rootkit_Tools_in_a_Windows_Environment.html
You can use Process Explore and go to Menu View/ Show Lower pane/Show all
DLL(s) , and PE will show you everything that's being hosted by a running
process in the upper pane. You can right-click a process in the upper pane
and go to its Properties. You can do the same thing in the lower pane.