[Podcast] EDNS and UDP
Investigating the EDNS0 option for DNS, focusing on the specified maximum UDP packet size and its practical implications in the modern Internet.
Tag: UDP
Revisiting DNS and UDP truncation
What are the UDP buffer sizes used in recursive resolver queries to nameservers, and how effective is truncation in today’s DNS?
DNS and UDP truncation
Measuring DNS resolver compliance with UDP response truncation standards.
A look at QUIC use
How extensively is QUIC being used on today’s Internet?
The fragility of transient identifiers
Let’s talk about the ‘Unfortunate History of Transient Numeric Identifiers’.
DNS-over-TCP considered vulnerable
Guest Post: There are several ways attackers can force TCP to fragment for inclusion in IP fragmentation attacks.
Are large DNS messages falling to bits?
Guest Post: How much of a problem are large DNS responses over UDP, in the wild?
Transport protocols and the network
Encrypted transport headers, transport protocol meddling, and content vs carriage.
How Facebook achieves disruption-free updates with zero downtime
Guest Post: Leveraging different components of the end-to-end networking infrastructure to prevent disruptions from releases.
Some DNS myths and misconceptions
An IETF technology deep dive.