ISC Security Vulnerability Feed


Recent content on ISC

Serve-Stale Update

24 November 2020, 12:00 am

The Day the Internet Broke The successful massive DDoS attack on Dyn during the fall of 2016 caused some popular sites – including Amazon, Netflix, and Twitter – to be unreachable for hours, because Dyn was unable to answer authoritative DNS queries.
We are happy to present another short profile of one of our engineers, to let our customers learn a little more about us.
This list includes products that provide a management interface for, or integration with, ISC open source software.

SAD DNS – Side channel attack

14 November 2020, 12:00 am

In November 2020 some DNS researchers at Tsinghua University and the University of California, Riverside published a paper on a new way to poison the cache of a DNS resolver.
ISC has a long history of contributing to, and implementing, open community standards.

Presentations and Webinars

8 October 2020, 12:00 am

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

The History of DHCP

29 September 2020, 12:00 am

Development of the DHCP Protocol The Dynamic Host Configuration Protocol (DHCP) was first defined as a standards-track protocol in RFC 1531 in October 1993, as an extension to the Bootstrap Protocol (BOOTP), a network protocol used by a network client to obtain an IP address from a configuration server.

Careers at ISC

25 September 2020, 12:00 am

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.

Webinar – Comcast and VinylDNS

21 September 2020, 12:00 am

Comcast and VinylDNS VinylDNS is a vendor-agnostic open source front-end for enabling self-service DNS and streamlining DNS operations.

The History of BIND

21 September 2020, 12:00 am

BIND Version 4: UC Berkeley and DEC The Berkeley Internet Name Domain (BIND) package was originally written in the early 1980s at the University of California at Berkeley as a graduate-student project, under a grant from the US Defense Advanced Research Projects Administration (DARPA).

DNS Flag Day 2020

14 September 2020, 12:00 am

This is a repost of a blog we originally posted in August 2019 about DNS Flag Day 2020.
Encrypted DNS – where are we now? As part of ISC’s ongoing mission to keep the Internet open and accessible to all, we are happy to present another webinar on the status of encrypted DNS.

Stork 0.11 Released

8 September 2020, 12:00 am

Stork 0.11.0, September 2nd, 2020 ISC is delighted to announce the release of Stork 0.
ISC is delighted to announce its next series of webinars: Using the Kea DHCP Server.

Web links

31 August 2020, 12:00 am

ISC is a not-for-profit organization. We do not have an endowment, and we are not funded by “the government.

Kea 1.8.0 Released

26 August 2020, 12:00 am

ISC is delighted to announce the release of Kea 1.

Stork 0.10 Released

13 August 2020, 12:00 am

ISC is delighted to announce the release of Stork 0.

Kea 1.6.3 and 1.7.10 Released

4 August 2020, 12:00 am

ISC is delighted to announce the release of Kea 1.
Graham Hayes (Core Developer for Designate, the DNS component of OpenStack) and Stephan Lagerholm (OpenStack user and DNS enthusiast) will give an overview of the DNS support in OpenStack.
As a service for our users and customers, several months ago ISC began offering packaged binary versions of our BIND 9 and Kea DHCP software, via Cloudsmith.

Stork 0.8 Released

23 June 2020, 12:00 am

ISC is delighted to announce the release of Stork 0.
A Conversation with Quad9 We recently had an extended chat with the Quad9 team to discuss their experience with BIND 9.

Public Mailing Lists

1 June 2020, 12:00 am

Below is a listing of all the public mailing lists on lists.
ISC is releasing updated versions of BIND 9 to address two newly-discovered security vulnerabilities We have released new versions of BIND: 9.
Is increasing complexity inevitable? The worldwide DNS system is very stable and scalable, but the software underlying it is extremely complex.

Stork 0.7 Released

15 May 2020, 12:00 am

ISC is delighted to announce the release of Stork 0.
After observing the use of this practice by some other open source projects, we here at ISC have decided to amend our security policy to allow, at our discretion, limited pre-announcement of pending security vulnerability disclosures.

ISC Annual Reports

13 May 2020, 12:00 am

We invite any interested parties to review our recent annual reports.
Here’s another short profile of one of our engineers, so our customers can learn a little more about us.
Have you ever used ping to troubleshoot issues with the Domain Name System?

ECS Webinar – May 20, 2020

7 May 2020, 12:00 am

EDNS Client Subnet Identifier (ECS), allows a DNS resolver to include information about the requesting client in the query, so that the authoritative system can customize the response.

ISC Acceptable Use Policy

5 May 2020, 12:00 am

Introduction This Acceptable Use Policy (“AUP”) sets forth the principles that govern the use by customers of the systems, services and products provided by Internet Systems Consortium, Inc.
In these scary and uncertain times, it’s more important than ever that we maintain and strengthen our interpersonal connections, especially when we can’t physically be together.
See the new open source management application for Kea DHCP. Stork provides a simple graphical interface for monitoring status, activity, utilization and errors for one or many Kea servers.

ISC’s 2019 Annual Report

22 April 2020, 12:00 am

ISC is delighted to release our 2019 annual report. We accomplished a lot last year and are very proud of our efforts!

BIND 9 RFC Compliance

5 April 2020, 12:00 am

BIND 9 is striving for strict compliance with IETF standards. We believe current versions of BIND 9 comply with the following RFCs, with the caveats and exceptions listed in the numbered notes below.
Learn how ISC has been benchmarking the Kea DHCP server as we work on performance improvements.
Domain hijacking is becoming increasingly prevalent in the ever-evolving threat landscape.
Now that the latest version of BIND 9 has been released, it is worthwhile to look at the performance enhancements that have taken place over the past couple of years.

Remote Working at ISC

10 March 2020, 12:00 am

Tips on Remote Working At ISC we have been working remotely for years.
BIND 9.16.0 has been issued, beginning a new stable branch.

BIND 9 Packages from ISC

13 February 2020, 12:00 am

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

Reporting Security Vulnerabilities

5 February 2020, 12:00 am

If you suspect you have found a security defect in BIND 9, ISC DHCP, or Kea DHCP, or if you wish to inquire about a security issue that you have learned about which has not yet been publicly announced, please contact our Security Officer via email at security-officer@isc.

ISC Source Code Trees

4 February 2020, 12:00 am

Public Access to ISC’s GitLab Instance Click on one of the links below or navigate to gitlab.
To let our community learn a little more about some of the people behind the software you use every day, we are presenting short profiles of some of our engineers and other staff members.

SELinux Struggles with BIND Startup

22 January 2020, 12:00 am

We have recently identified several SELinux-specific issues with our BIND RPM packages.

ISC Logos

15 January 2020, 12:00 am

BIND 9 and DNSSEC BIND 9 has a complete implementation of the DNSSEC protocols, and DNSSEC validation is enabled by default in the newest versions of BIND.

2019 In Review

13 January 2020, 12:00 am

Highlights At ISC, 2019 was a solid year of serving our open source users and the Internet community.

Happy holidays from ISC!

16 December 2019, 12:00 am

Once again, it’s time to look back over the last year and tell our customers, users, and supporters how much we appreciate them.