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Hide DNS Software Version on Sentora 1.0.3
#1
Hide DNS Software Version on Sentora 1.0.3
Hi there,

It seems i am not able to Hide the Hide DNS Software Version in Sentora using named.conf on Bind. I added successfully the entry's as follows:

PHP Code:
// /etc/named.conf
options {
 
 // Hide bind version
 
 version "unknown";
}; 

Then i restarted the service:

PHP Code:
service named restart 


All was ok i checked the version too using this code:

PHP Code:
dig +short @ns1.example.com version.bind txt chaos 

In this case i got a return value of "unknown", problem is that it does not hide it. Now, this is a security problem since a new vulnerability maybe can be found in DNS software and script kiddies are scanning the Internet to exploit unpatched systems.

It's a best practice to hide software version on your DNS servers, although this is not a real protection it just makes a little harder to find your servers via scanning.

Any ideas why this is not working?
Thanks in advance
'' Life is full of important choices ''
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Messages In This Thread
Hide DNS Software Version on Sentora 1.0.3 - by wormsunited - 10-24-2017, 10:52 AM

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