<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Downloads · XB Field Notes</title><link>https://www.xbcatm.com/tags/downloads/</link><description>Illustrated field notes on HTTP, DNS, TLS, Caddy, SSH, releases, and recovery.</description><generator>Hugo</generator><language>en-us</language><atom:link href="https://www.xbcatm.com/tags/downloads/index.xml" rel="self" type="application/rss+xml"/><item><title>Range requests should prove which bytes were selected</title><link>https://www.xbcatm.com/notes/range-requests-should-prove-which-bytes-were-selected/</link><pubDate>Sun, 23 Aug 2026 00:00:00 +0000</pubDate><guid>https://www.xbcatm.com/notes/range-requests-should-prove-which-bytes-were-selected/</guid><description>Verify partial responses, Content-Range, and the behavior of unsatisfiable byte ranges.</description></item></channel></rss>