If you are using NGX, you can block video, audio, app. sharing and file
transfer selectively on MSNMS port.
Allow MSNMS for all hosts, than block specific applications via
SmartDefense. Be careful, if you block MSNMS port and allow access to
gateway.messenger.msn.com on port 80, everyone will be able to share files
or use video etc.
> -----Original Message-----
> From: Mailing list for discussion of Firewall-1 [mailto:FW-1-
> MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM] On Behalf Of Chanoine
> Sent: Tuesday, November 29, 2005 2:01 PM
> To: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
> Subject: [FW-1] RE : [FW-1] How do I block MSN Messenger file transfer?
>
> Hi,
>
> You block entirely MSN or just file transfer using SmartDefense?
>
> Yannick
>
> -----Message d'origine-----
> De : Fábio Amaro [mailto:fabio.amaro AT GMAIL DOT COM]
> Envoyé : mardi 29 novembre 2005 12:42
> À : FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
> Objet : Re: [FW-1] How do I block MSN Messenger file transfer?
>
>
> You can't block file transfer becouse MSN use port 80 (http) for that.
> here I block everything using SmartDefense
>
> Good luck
>
> Fabio
>
> 2005/11/29, Chanoine <yannick.chanoine AT clamart DOT fr>:
> > Hi,
> > I need to allow MSN messenger to some users so I'm testing a ruleset
> > allowing MSN_Messenger_1863_UDP, MSN_Messenger_5190 and another rule
> > before that denies access to msn_file_transfer. I still can receive or
> > send files using this IM. Is there anything more I can do to block
> > file transfers? In SmartDefense I have selected "Optimised Protocol
> > Enforcement", I also tried "Strict Protocol Enforcement" but nothing
> > changed.
> >
> > Any idea?
> >
> > Thanks
> >
> > Yannick
> >
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