DNSSEC IN KALI LINUX

 WHAT IS DNSSEC?

SUMMARY

Domain Name System Security Extensions (DNSSEC) is a security protocol that verifies the authenticity of DNS responses. It's a set of extensions that add digital signatures to DNS records to prevent attackers from manipulating them.

WHAT DOES DNSSEC PROTECT AGAINST?

DNS SPOOFING: Attackers hijack a DNS resolver's cache, causing users to see a malicious site instead of the intended one.

DNS CACHE POISONING: Attackers manipulate DNS responses to redirect users to malicious sites.

MAN-IN-THE-MIDDLE ATTACKS: Attackers insert manipulated DNS responses into DNS requests.

HOW DOES DNSSEC WORKS:

The zone owner uses a private key to sign DNS data and generate digital signatures.

The zone owner publishes the public key in the zone.

A DNS resolver looks up data in the zone and retrieves the public key.

The resolver uses the public key to validate the digital signature.

If the signature is valid, the resolver returns the data to the user.

If the signature is invalid, the resolver discards the data and returns an error.

VERIFICATION:

To verify if DNSSEC is functioning correctly, we can utilize the dig command, which will provide information regarding the keys and algorithm used by our signed zone.

# dig DNSKEY eos.net @192.168.3.210 +multiline

CONCLUSION:

DNSSEC is a mandatory protocol that protects DNS data from unauthorized access, tampering, and exploitation. 

It's essential to protect your DNS from cyber threats like DNS spoofing, man-in-the-middle attacks, and cache poisoning. 

DNSSEC ensures that users can always reach your legitimate website. 

It's a crucial step in enhancing domain security and safeguarding against evolving cyber threats.