Internet Systems Consortium

Are you thinking of using ISC’s software? Sure, we think it’s great, but don’t just take our word for it; see why our existing customers and supporters use and support ISC’s software!

If you suspect you have found a vulnerability in BIND 9, Kea DHCP, Stork, or ISC DHCP, or if you wish to inquire about a vulnerability that you have learned about which has not yet been publicly announced, ISC encourages you to take one or more of the following actions, as appropriate:

One software vulnerability can enable a successful denial of service attack, disabling critical network services.

Protect your network, your data, and your business. Cyber criminals target software vulnerabilities.

Thank you for your interest! ISC has a long history of finding the best people to focus their talents and passions on the mission of supporting the infrastructure of the Internet.

ISC is excited to announce the release of Kea 3.0.0! This is a major release, and is the first Long-Term Support (LTS) version of Kea.

All of our staff profiles so far have been of our engineers, who are of course very important and make up the majority of ISC.

Fred Baker, ISC Board Member from 1994 – 2025

Most video recordings are also available on our YouTube channel. To be notified of upcoming webinars, follow ISC on Mastodon, LinkedIn, Facebook, or Bluesky, or subscribe to the training-info mailing list.

Stork 2.2 adds DNS support Since the last stable version of Stork we have begun adding support for monitoring DNS alongside DHCP.

Services provided by ISC are described expressly in a written Quote, which is subject to ISC terms and conditions of business.

A serious HTTPS vulnerability prompted us to check on the security of communications between Stork agents and the Stork server.

Hurrah! Twelve new open source hooks in Kea 2.7.7! With the release of Kea 2.

In the computer world, we commonly store temporary data in a cache to make programs run smoothly.

Piotrek Zadroga and I attended the DNS Hackathon, hosted by RIPE NCC, DNS-OARC and Netnod in Stockholm on March 14-15.

ISC has an OpenPGP key. OpenPGP is a public key system, which means that if you have our public key and we sign a mail message (or a software distribution) using our private key, you can have a reasonable confidence level that the message or distribution really did come from us.

If you think you may have found a security vulnerability in any ISC software, please take one or more of the following steps, as appropriate:

We’re back with another look at one of ISC’s staff members: Ben Scott!

ISC’s Senior Software Engineer Marcin Siodelski is attending the upcoming DNS Hackathon in Stockholm, sponsored by Netnod, DNS-OARC, and the RIPE NCC.

The US Executive Order “Strengthening and Promoting Innovation in the Nation’s Cybersecurity”, published on January 17, 2025, calls for a number of measures to strengthen cybersecurity in the US.

ISC’s Organizational Health and Operations Financially and organizationally ISC is in good health, with no major concerns.

Here are some of the events ISC staff plan to participate in during the first half of 2025.

At the ICANN 81 meeting in Istanbul on 10 November 2024, I gave a presentation about the DNS Root Server System, in an effort to increase understanding of the Root Server System (RSS) and Root Server Operators (RSOs).

ISC is fortunate to have staff members in so many different countries around the world: our software development benefits from all the different perspectives – and we benefit personally!

It’s been a while since we’ve profiled one of our engineers, so we’re overdue.

ISC launched the Stork management application almost exactly five years ago, in November 2019, as an experimental tool.

On the long-term scale of human history, 25 years is nothing.

Today, ISC is proud to release BIND 9.20.0, our newest stable branch.

Kea/DHCP news At the end of May, we released Kea 2.

Authors: Jason Goertzen, David Joseph, Peter Thomassen BIND & liboqs: A PQC DNSSEC Field Study The DNS protocol is the internet’s phonebook.