If you are using a router to do this, such a access-list will work.
access-list 102 deny tcp any any eq 5050
access-list 102 permit ip any any
int ethernet 0
ip access-group 102 in
Note: I supposed that, users' packets are coming from ethernet 0 interface.
----- Özgün İleti -----
Kimden: "Frank Kim" <[EMAIL PROTECTED]>
Kime: <[EMAIL PROTECTED]>
Gönderme tarihi: 23 Ocak 2001 Salı 19:21
Konu: Disabling American Online Instant-messenger(AIM) and Yahoo IM
> Has anyone implemented port filtering to disable AOL instant messenger and
> Yahoo instant messenger? If you have, could you send me the ports they
> use on those? Could you also tell me what techniques you used, doing it
> at the firellwall(pix) or the router? Thanks for any input.
>
> -Frank
>
>
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