Vercel servers reject fragmented ClientHello, blocking sites via Helium
uwukko · x · 2026-08-16
An issue was found where Vercel servers reject fragmented TLS ClientHello packets, making hosted websites inaccessible when Helium's anti-censorship feature is enabled. The author cites RFC 8446, suggesting Vercel's configuration is non-compliant and hopes for a fix.
Related event: Helium's TLS Fragmentation Blocks Vercel Sites(2 posts)→
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