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extended access list on router

By raystep ·
i need help in writing an extended access list on a router on the lan all student machines or assign even host number and all teachers are asigned to odd host no.the network address is i need to block telnet on ths students machines only and permit all other traffic the destination address on district router I am using ip and IRGP on the router I know how to stop all telnet traffic but do`nt know how to block the students. if any one has an answer I would be greatful thanks Ray S

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by awilliam In reply to extended access list on r ...

have to specify each host seperately, can't think of a way to skip. try the following:

access-list 99 deny tcp host eq telnet any
access-list 99 deny tcp host eq telnet any
access-list 99 permit ip any any

then apply the list to your interface
(ip access-class 99 in)

hope this helps

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