Farsight Security Blog

Distributed Firewall Configuration Part 1: Salt and Pillars

Thursday, May 14, 2015 By Travis Hall

Travis Hall shares his techniques for maintaining distributed firewall rules on a network of Linux systems. This first installment covers the organization of Salt and Salt Pillars.

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NMSG and JSON encoding

Wednesday, May 6, 2015 By Mike Schiffman

A new convenience tool called njt used to encode JSON into NMSG and decode NMSG JSON to presentation output is detailed.

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IPv6 Deployment and Finding IPv6 Needles in Internet Haystacks: Passive DNS & IPv6 Address Discovery

Wednesday, April 29, 2015 By Joe St Sauver

Distributed System Scientist Joe St Sauver discusses the usefulness of passive DNS in an increasingly IPv6 world.

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Illuminating online infrastructure for counterfeit goods

Thursday, April 23, 2015 By Eric Ziegast

Senior Engineer Eric Ziegast demonstrates how to use Farsight Security's Passive DNS tools to find infringing names in DNS.

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Google Protocol Buffer Deserialization The Hard Way

Friday, April 17, 2015 By Mike Schiffman

Learn how to write your own optimized Google Protocol Buffer deserializer in C and sidestep auto-generated API code. A sample program is compared against other popular C-based protobuf packages.

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