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AnyConnect 4.x - Resolve hostname to public address while connected via VPN

hypnotoad
Participant
Participant

Hey all,

I have a hostname that needs to be available both inside and outside our network on the same name.  If a user is outside our network, I need them to resolve the name to a public address even when connected via AnyConnect client.  Is there a way to intercept the DNS query and return the public address?  I'm open to ideas.

Thanks,

Patrick

2 Replies 2

Mohammad Alhyari
Cisco Employee
Cisco Employee

The only thing i have in my mind is to utilize the DNS inspection on the ASA and drop the query that has that name in the questions section.

Moh,

You can drop the query when coming from the client pool. Look at this example

https://www.tunnelsup.com/using-just-a-cisco-asa-to-block-specific-websites/

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