Tags: dns

How Stack Overflow Plans to Survive the Next DNS Attack

Let’s talk about DNS. After all, what could go wrong? It’s just cache invalidation and naming things. tl;dr This blog post is about how Stack Overflow and the rest of the Stack Exchange network approaches DNS: By bench-marking different DNS providers and how we chose between them By implementing...
Read 0 Comments

How DNS Works: A Primer

The Domain Name System is critical to fundamental IP networking. Learn DNS basics in this primer. DNS has been in the news a great deal as of late. First, there was the controversy over the United States government essentially handing over control of the Internet's root domain naming system. Then...
Read 0 Comments

lets-encrypt.jpg

Let's Encrypt
Let’s Encrypt -- which provides free, automated, and open SSL certificates to more than 13 million fully qualified domain names -- was awarded a grant from The Ford Foundation as part of its efforts to financially support its growing operations.

Let’s Encrypt and The Ford Foundation Aim To Create a More Inclusive Web

Let’s Encrypt was awarded a grant from The Ford Foundation as part of its efforts to financially support its growing operations. This is the first grant that has been awarded to the young nonprofit, a Linux Foundation project which provides free, automated and open SSL certificates to more than 13...
Read 0 Comments

What We Know About Friday’s Massive East Coast Internet Outage

This morning’s attack started around 7am and was aimed at Dyn, an Internet infrastructure company headquartered in New Hampshire. That first bout was resolved after about two hours; a second attack began just before noon. In both cases, traffic to Dyn’s Internet directory servers on the East Coast...
Read 0 Comments

ICANN Grinds Forward on Crucial DNS Root Zone Signing Key Update

The Internet Corporation for Assigned Names and Numbers is moving -- carefully -- to upgrade the DNS root zone key by which all domains can be authenticated under the DNS Security Extensions protocol. ICANN is the organization responsible for managing the Domain Name System, and DNS Security...
Read 1 Comments

dns-dig-utility.jpeg

DNS dig utility
Chris Binnie wraps up his series on DNS with a look at some security options.

Dig into DNS: Part 4

Previously in this series (see links below), I’ve described the dig utility and its many uses in performing DNS lookups, along with several examples to help solve specific problems. In this final installment, I’ll look briefly at some security options and wrap up with additional examples. All...
Read 0 Comments

dig-utility.jpg

dig utility
In the third part of this series, Chris Binnie looks at his favorite dig utility feature -- the “trace” option.

Dig into DNS: Part 3

In the first and second articles in this series, I introduced the powerful dig utility and its uses in performing DNS lookups along with a few time-saving examples of to put it into practice. In this part, I’ll look at my favorite dig utility feature -- which is definitely the “trace” option. For...
Read 1 Comments

dig-utility-photo.jpeg

dig utility
Chris Binnie explains how dig syntax differs from other DNS lookup packages and offers some time-saving examples.

Dig Into DNS: Part 2

In the first article in this series, I provided an introduction to the powerful dig utility and its uses in performing DNS lookups. For those who haven't used the command before, these articles will give a useful overview of its features and capabilities. This time, I’ll explain how dig syntax...
Read 0 Comments

dig-tool.jpg

dig utility
This series of articles will explore the dig DNS lookup tool and its many features and uses.

Dig Into DNS: Part 1

There’s little debate that one of the absolutely fundamental services critical to the functionality of the Internet is the Domain Name System (DNS). Akin to the Simple Mail Transfer Protocol (SMTP), which is the grounding for all things email, and the Network Time Protocol (NTP), which keeps the...
Read 0 Comments

Kaminsky Aims to Secure the Internet

In a rambling, hourlong keynote address at the Black Hat USA conference here today, security luminary Dan Kaminsky detailed the risks and the opportunities inherent in the internet. Kaminsky first shot to fame in 2008, when he revealed a flaw at that year's Black Hat USA event in the pervasive...
Read 0 Comments

Pages

Click Here!