Latest news, tutorials, and insights from the Zeek community.
Bro v2.3.1 has been released. This release addresses a potential DOS vector using specially crafted DNS packets. It also fixes a bug in the OCSP validation code that could lead to crashes as well as a…
read more about Bro 2.3.1 ReleaseWe are very excited to announce the official launch of Try.bro.org! Try.bro is a web-based scripting sandbox made freely available to users on our site. No login. No installation. No trouble. We have included a few…
read more about Announcing Try.broWe are happy to announce the newly started Bro Teaching Community, a community project of educators interested in collaboratively exploring Bro’s use as a teaching tool, and sharing experiences and material. The goal is to create…
read more about Meet the Bro Teaching CommunityWe are happy to announce the release of Bro v2.3. The source distribution and binary packages are available on our downloads page. For a brief overview of new features and bug fixes you may review our previous blog…
read more about Bro 2.3 ReleaseWe are happy to announce the public beta of Bro v2.3 is available for download! The majority of our development time has been focused on improving performance, reliability, and memory use. Here is a brief summary…
read more about Bro 2.3 Public BetaUpdate: The heartbleed detector is now part of bro master. You should switch if you are still using the development branch. You still have to load policy/protocols/ssl/heartbleed.bro We just added support to Bro to detect the recent heartbleed attack…
read more about Detecting the heartbleed bug using BroUpdate: we now host a test server at gnutls.notary.icsi.berkeley.edu. See gnutls command lines below. The recent GnuTLS certificate verification bug made it possible to craft an arbitrary certificate in a way that GnuTLS would validate correctly against…
read more about Dissecting the GnuTLS BugOverview Intelligence data, or feeds, are an important source of network security information. Many internet security research centers, non-profit organizations, and commercial organizations provide intellegence data sets freely available to the public. (e.g. Emerging Threats, Shadow…
read more about Intelligence Data and BroBro 2.2 has arrived. You can download the source distribution on our download page; binary packages will follow soon. For an overview of the major new features in 2.2, please see the earlier posting on the…
read more about Bro 2.2We have some very exciting news to share today. The National Science Foundation (NSF) has awarded a new three-year grant to our team to establish a Bro Center of Expertise at ICSI and NCSA for supporting…
read more about NSF Funds Bro Center of Expertise