Necessity of DNSSEC Lookaside Validation(DLV)

[Chandan Laskar]

Hi,
We have deployed DNS  on RHEL 5 Update 1. Below are feature of our DNS.

1. Implemented OS Security Best Practice ( e.g. Enable MD5 and shadow 
passwords, Root Login Console Restricted, Configure SSH as an alternative 
of Telnet e.t.c.). 
2. Configured Openssl Version 0.9.8j.
3. Configured BIND 9.6.0-P1 with CHROOT Environment. So BIND is not 
running as root user.
4. IPTABLES has been configured to block all the irrelevant ports.
5. Allow Update Feature in named.conf is not changed. So, by default it is 
'NO'
 
After all the above mentioned protection do we really need to incorporate 
DNSSEC Lookaside Validation(DLV) in our DNS?

Suggestion Please.


Thanks and regards, 
Chandan Laskar 
2nd Floor Data Center, ITC Center, 
4, Russel Street, Kolkata - 700 016 
Phone:(033)-22889900 Extn.: 3944 
             (0)-9830057396 (M) 

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