What’s going on with certificate revocation?
Does X.509 certificate revocation work as intended, or even work at all?
Category:
Tech matters
Identifying Autonomous Systems of state-owned Internet operators
Guest Post: Study notes 17% of the world’s IP addresses are originated by state-owned Autonomous Systems.
Resourcing in 2021
It’s been a busy period for the APNIC Services Team while adjusting to new challenges and complexity.
perfSONAR: Open, extensible, worldwide
Guest Post: perfSONAR is a worldwide network performance monitoring tool that continually collects, archives, and sets alerts for active measurement test results.
Threat hunting with Yara: Measuring distance between any three elements
Guest Post: Learn how to use Yara’s math module and min/max functions to measure distance between patterns.
The parallel lives of Autonomous Systems: ASN allocations vs BGP
Guest Post: First of its kind study shows relationship between ASN allocations and BGP announcements.
The multiple meanings of ’nameserver’ and ’DNS resolver’
Guest Post: There are two types of nameservers, and which one the term ‘nameserver’ refers to depends on the context.
How complex is the DNS?
Guest Post: Using the power of the DNAME record type, study shows DNS can express regular languages and pushdown systems.
Measuring the potential benefit of egress traffic engineering with Segment Routing
Guest Post: Study of Japanese event network shows 77% of prefixes have alternate paths of shorter latency than best paths.
Threat hunting with Yara: The three body problem
Guest Post: Get to know how to use Yara with real-life research problems — detecting code evolution and shellcodes.