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Server fails to identify websocket upgrade #583

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#584
Closed
Server fails to identify websocket upgrade#583
#584

Description

@AudriusButkevicius
AudriusButkevicius
opened on Jun 11, 2026

Some libraries send Upgrade: WebSocket, yet the header comparison is case sensitive, and the library checks exactly for websocket, which fails.

According to the RFC, the check should be case insensitive.

Activity

  1. bsergean
    closed this as completedin #584on Jun 24, 2026
  2. bsergean
    added a commit that references this issue on Jun 24, 2026

    HttpServer: match the Upgrade header value case-insensitively (#584)

    e24a2e6
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