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permit esp any any

Thomas Reiling
Level 1
Level 1

How can I make the following more secure?:

access-list from_outside permit esp any any

We have currently have it on our firewall and I know it's not the most secure.  But I want to make sure our tunnels still work.

Thank you,

Thomas

1 Accepted Solution

Accepted Solutions

This line I assume you have it applied on the outside interface. If that is the case, this line should be used to allow traffic from outside to the inside. If you have static nat configured you could permit esp from know sources to the NAT'ed IPs.

If you don't have any nat for inbound traffic then you don't need that acl.

Sent from Cisco Technical Support iPhone App

View solution in original post

1 Reply 1

This line I assume you have it applied on the outside interface. If that is the case, this line should be used to allow traffic from outside to the inside. If you have static nat configured you could permit esp from know sources to the NAT'ed IPs.

If you don't have any nat for inbound traffic then you don't need that acl.

Sent from Cisco Technical Support iPhone App

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