Tag: network

Articles

• Simulating Asymmetric Partitions with Raft Pre-Vote

  21 Jun, 2026

  A deep-dive into simulating asymmetric network partitions inside a custom Linux namespace sandbox, analyzing etcd Raft state transitions, pre-vote mechanisms, and the disruptive follower failure mode.

• Forensic Reconstruction of Black-Box Protocols

  14 Jun, 2026

  A legacy server is dropping connections with no error codes. I walk through the process of using tcpdump, strace, and gdb to reconstruct a custom binary protocol from scratch.

• Deterministic SNI Extraction in Constrained Networks

  22 May, 2026

  A deep-dive into the failed attempts to force egress via physical NICs using IP aliasing and policy routing, and the subsequent pivot to loopback capture and raw string extraction.

• Signing Java Objects for Secure Transfer

  13 Oct, 2009

  Use Java's SignedObject with DSA public-key cryptography to digitally sign serialized Java objects before network transfer. The signed objects are verified at the receiving end ensuring data integrity and authenticity without relying on shared secrets.

• Simple Proxy Server in Java

  26 Sep, 2009

  A Java HTTP proxy server using socket-based request-response forwarding with configurable port binding, timeout handling, and continuous listening loop architecture.