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Zeek Blog

Zeek 4.0 LTS Release

(This is an updated version of an earlier posting announcing a 4.0 release candidate.) We are very excited to make Zeek 4.0 available. This is an LTS release with support for the coming year. Some highlights coming with this version: Plugin API support for adding...

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Zeek 4.0 Release Candidate

Update: The final 4.0.0 release is now available We are very excited to publish a release candidate of Zeek 4.0. today. We expect the final version to follow in early January, which will then become the new Zeek LTS release with support for the coming year. (To help...

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ZPC-3 Developers Phase Open

The 3rd Zeek Package Contest (ZPC-3) is currently underway!  In the first phase of this contest, community members had the chance to submit their ideas for a compelling new Zeek package.  Here are the submissions we received:  Package to detect known C2...

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Zeek 3.2 Released

(This is an updated version of the previous RC announcement.) We are very happy to make Zeek 3.2 available today. Some highlights of the new release include: Zeek now supports synchronizing tables/sets across clusters through a backing Broker data store. The same...

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Zeek Mailing List Migration

We recently migrated our mailing lists to a new mailing list host - and domain. All of our mailing lists are now hosted at; this includes the interface to join the list, as well as the list archives. This also means that all of our mailing lists now use...

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7 Dos And Don’ts For Zeek Scripting

This post serves as an introduction to some of the pitfalls I had to learn about whilst writing scripts. Hopefully, they help you avoid the same pitfalls. In some of the below example code snippets, bold font is used to emphasize a particular pitfall. If you’d like to...

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