Force authentication only on a predefined interface


Is it possible to set up an IPSEC tunnel for a certain group only on a predefined interface? And how?

The isamkp must be enabled on all the interface, because I tunnel on any interface.

Thank you.


Well you can remove the permit-vpn connection systop command and allow only virtual private networks via ACL. This command allows to bypass ACL control for crypto ending traffic by firewall; sound activated by default. Disable this and allow each SPECIFIC IP access to specific crypto interface. Or refuse some and allow others (this would be particularly true outside).

ASA 8.1 added support for netflow but only on models of the upper range (5580-XX). Perhaps we see in the future on other models as well.



Tags: Cisco Security

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