block some port from outside to inside on Router 2911?

[rechard_david]

Dear All,

Could you let me know configuration for allow port from Outside to inside( 80,21,https...) and i want to allow traffice from outsidt to inside only 80,https and 21.

please help to let me know command on this?

Best Regards,

Rechard

[John Blakley]

Duplicate. Answered in the other thread.