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Connection Fingerprinting Beyond User-Agent

The User-Agent string is trivially spoofed. But the TCP handshake, TLS ClientHello, and HTTP/2 SETTINGS frame reveal far more than most developers realize.

networkingsecuritynew

robots.txt is a Suggestion, Not a Boundary

We analyzed six months of crawler traffic against a well-formed robots.txt.

webcrawlers

SQLite as a Log Store: One Year Later

We replaced JSON log files with WAL-mode SQLite. Here's what we learned.

databasesops