Allow DNS Traffic

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Hi!

We need to allow DNS Traffic from Lan to Wan network for our internal LAN Users through Cisco Router. May we have the lines to add in the router and do we need anything else to apply this access-list?

Thanks.

[Walter Astori]

access-list 101 extended permit tcp net_lan sub net_wan sub eq 53
access-list 101 extended permit udp net_lan sub net_wan sub eq 53
access-list 101 extended deny any any
 

interface Serial 0/0
 ip access-group 101 out
 

N.B. That access-list is only for permit traffic for DNS protocol. All traffic except DNS will be deny  
 

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Thanks.