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alfred
Level 7

DNS Tunneling and Signature - How to avoid ?

Hi

Does DNS Tunneling works if I´am  using our internal company proxies and these proxies ask external Internet proxies?

if yes , how can I avoid DNS Tunneling and other Tunneling attacks via Intrushield ?

Which Intrushield Signature recognized Tunneling ?

sincerley

Alfred

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3 Replies
SamSwift
Level 12

Re: DNS Tunneling and Signature - How to avoid ?

Moved this to the NSP area for you.

Sam

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AlaXul
Level 7

Re: DNS Tunneling and Signature - How to avoid ?

It should be easy enough to detect if not already.  Which DNS tunneling tool are you using?  You can check if a signature for it already exists or one can easily be written since the data encapsulated in the DNS packet is typically in clear text.

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alibay
Level 7

Re: DNS Tunneling and Signature - How to avoid ?

Following post would be helpful for you.

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