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steamcache2/steamcache
s1d3sw1ped_bot 8e8e877533
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Restrict Host-based origin fetches to Steam CDN names.
When upstream is empty the cache used the client Host as the fetch URL, so any LAN client with a spoofed Steam User-Agent could proxy to literal IPs or arbitrary names. Reject those hosts, stop following upstream redirects, and keep path-only cache keys so real Steam CDNs still share entries.
2026-08-31 23:56:03 +00:00
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