all header field names in both HTTP requests and HTTP responses are case-insensitive.

https://tools.ietf.org/html/rfc6455#section-4.2.1

 Please note that according to [RFC2616], all header field names in
   both HTTP requests and HTTP responses are case-insensitive.

 

posted @ 2020-05-26 12:53  papering  阅读(170)  评论(0)  编辑  收藏  举报