Any Any usage

EnjoyNet
EnjoyNet used Ask the Experts™
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Hi Expert,

Could you please let me know how different it is between those two ACL commands?

access-list 112 permit udp any any eq domain
access-list 112 permit udp any eq domain any

Thanks

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Top Expert 2015
Commented:
access-list 112 permit udp any any eq domain

Allow UDP traffic from ANY ip address and regardless of the UDP port number to ANY IP address but only UDP port 53.

access-list 112 permit udp any eq domain any

Allow UDP traffic from ANY ip address as long as it's coming from UDP port 53 to ANY IP address regardless of the destination UDP port number.

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