Since you’re reading this, you probably know Lua, the world’s most infuriating language. If not, hop on to Lua in 15 minutes to get the basics right. Now there are two types of use cases where Lua shines – as a tiny script/configuration language, and for high-performance data processing (with JIT). I went through both of them with kresd, and wrote down some notes.
Knot recursive fortnightly, August 11th 2015
validator – need for speed – RPZ – views – new tests
The “rom-0” vulnerability one year later
In previous blogposts on the “rom-0” bug in 2014 and earlier this year, I first explained its nature and gave instructions on its patching.
New Features in Knot DNS 2.0
It has been a few weeks since the final version of Knot DNS 2.0 came out. While it’s still fresh, I would like to explain our motivation for this new major version and also to summarize the most important changes included in this significant release.
IETF 93 in figures
Last week Prague (and our Association together with the Brocade company) hosted the IETF 93 summit. You might have read about the functioning of this community at Root.cz, in the article (in Czech language only) by Ladislav Lhotka from our labs. The same server wrote (in Czech language only) also about Edward Snowden’s (virtual) participation in the summit.
CSIRT tools
No larger team can work with one data source and one incident management system today(at least we don’t know such team yet). That’s why every team is engaged in the development of their own tools or at least their own upgrade for already existing tools.
Knot DNS recursive weekly, July 24th 2015
IETF93 – prefetching and predictions – more cwrap – validating signatures
Knot DNS recursive weekly, July 15th 2015
I/O improvements – documenting – validation – Happy Eyeballs
Who’s poking at our Turris SSH honeypot
The Turris SSH honeypots are definitely not idle. There are currently 168 active honeypots that daily record 1000 to 2000 and on some days even up to 5000 SSH sessions containing at least one command.
Knot DNS recursive weekly, Blocking queries for fun and profit
A short tutorial on how to block DNS slow-drip attack with kresd.