-Jason
On Mon, 19 Jan 1998, Chad Scott wrote:
> On Monday, January 19, 1998 3:53 AM, egemen ergel [SMTP:egemen.ergel@teklan.com.tr] wrote:
> > hi al
> > we have a portmaster 2e (30 port terminal server)
> >
> > how can i define filter for emailonly dialup accounts.
> >
> > i defined like this but doesnt work
> >
> > deny tcp dst 80
> > deny tcp dst 21
> > ....
> > like this.
> >
> > this filters name is emailonly
> > and i define users radius parameter (framed-filter) at the radius
> > server.
> >
> > maybe my filter is wrong..
>
> You need to define your filter like this for e-mail only:
> permit tcp dst eq 25
> permit tcp dst eq 110
>
> This will allow *only* SMTP and POP3. If you want to define them the way you have them above, you want something like:
>
> deny tcp dst eq 80
> deny tcp dst eq 21
> permit tcp
>
> ComOS assumes a "deny tcp" at the end of every filter, so you must specifically "allow" everything else.
>
> Chad Scott
> Network Operations
> Internet Direct, Incorporated
>
>
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