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Blocking P2P software - how?

Posted on 2003-02-22
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Hi Steven,

Thanks for your quick response - the ports page was useful. I have been in to the router settings and gone to the client filtering page. I have had some limited success in blocking other apps except with kazaa. I have blocked port 1214 as advised but kazaa still connects. I have checked the manual but it doesnt explain how to set up the client filtering. Do you think i need to block a range of ports?? If not, any more ideas??

Thanks again

ballie102

PS - I am studying a computer science degree and am interested in this stuff very much as I am hoping to go into networking when i complete my degree
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Question by:ballie102
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Expert Comment

by:stevenlewis
ID: 8000308
you need to block the ports (the router should be able to do this, check the manual)
http://security.uchicago.edu/peer-to-peer/no_fileshare.shtml
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stevenlewis earned 200 total points
ID: 8000317
that link didn't list the ports, but this does (at least some)
http://www.practicallynetworked.com/sharing/app_port_list.htm
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Expert Comment

by:DST1
ID: 8003666
Hi,
I was told that the new version of kaaza automaticly search for other ports if 1214 is blocked. With some routers it's possible to set a restrictive in- and outbount port access, so you practially can define what must pass in and out and block everything else. This works for me....
Another alternative, but not a centralized solution, is using a Internet access program / firewall to filter the traffic. These are able to block several P2P programs and highly configurable. One free firewall program where you can block certain programs is Kerio Personal Firewall.
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by:stevenlewis
ID: 8003748
first please just add comments, don't edit the questin, makes it very confusing
second, yes the new version(s) of Kazza do use dynaminc ports (makes it much more difficult to block

maybe this can help
http://www.ipnetworks.it/
and then there are apps like this
http://blockkazaa.port5.com/
search google for
block kazaa
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by:CleanupPing
ID: 9153426
ballie102:
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