The Domain Name System (DNS) translates Internet domain and host names to IP addresses.

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Blocking incoming traffic from privileged port (< 1024) to mitigate DNS DDos Amplification attacks

Hope someone can clarify. As I understand, in a DNS DDos Amplification attacks Multiple DNS queries are sent to a vulnerable name server with the source IP spoofed to that of the target server. The ...
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I believe my Domain has been hijacked I am not receiving in sales in shopping cart

My IP address is 181.224.153.95 Domain: www.ashaybythebay.com FTP Hostname: m23.siteground.biz I added private domain servers to my domain name ashaybythebay.com and I see the two IP server ...
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Is DNSSEC immune to stripping signatures?

In my opinion, it should be possible to forge DNS reply so it doesn't include DS/RRSIG/... parts for any request, thus bypassing DNSSEC validation of resolved domain. Is DNSSEC system immune to this ...
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DNSSEC signing algorithms

Virtualmin supports a flurry of algorithms for DNSSEC: RSASHA1, RSASHA256, RSAMD5, DSA, DH, HMAC-MD5, NSEC3RSASHA1, NSEC3DSA. If I understand correctly, there's Proof of Concept available for SHA1 ...
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RHS Blocklist, Other blocklists and impacts of RHS blocking on similar domains

I am not very familiar with Blocklists so had a few queries around it. I have a sub-domain example.com which is used to send mass marketing emails i.e. emails are sent from no-reply@example.com. A ...
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Is my ISP BGP/DNS hijacking?

I've noticed some very suspicious activity from my ISP. Sometimes I would notice that when I ping google.com it would resolve to an IP which is owned by my ISP. I currently don't have an example ...
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Does DNSSEC provide signed statements that a certain domain does NOT yet support DNSSEC? If not, why not?

In my security class with David Wagner, we talked about some of the reasons why DNSSEC is not widely adopted right now. One of the reasons was that for backward compatibility reasons, clients need to ...