|Check Point Reference:||CPAI-2013-1300|
|Date Published:||1 Jun 2015|
|Last Updated:||27 Nov 2018|
|Protection Provided by:||
|Who is Vulnerable?|
|Vulnerability Description||DNS Tunneling is used to pass non-DNS information using DNS messages, which are normally allowed by security devices. Malicious users or malware may use DNS tunnels to bypass inspection by the security gateway. This protection is only applicable for IPS gateway version R77.30 and above. See sk103094: IPS protection "DNS Tunneling" is activated, but it does not generate any logs.|
This protection will detect and block attempts to setup a DNS tunnel.
In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.
This protection's log will contain the following information:
Attack Name: Tunneling Detection.
Attack Information: DNS Tunneling