{"id":428,"date":"2026-10-30T02:11:41","date_gmt":"2026-10-29T18:11:41","guid":{"rendered":"https:\/\/www.maskproxy.net\/blog\/proxy-400-bad-request-line-header-host-encoding-rewrite-checklist\/"},"modified":"2026-10-30T02:11:41","modified_gmt":"2026-10-29T18:11:41","slug":"proxy-400-bad-request-line-header-host-encoding-rewrite-checklist","status":"publish","type":"post","link":"https:\/\/www.maskproxy.net\/blog\/proxy-400-bad-request-line-header-host-encoding-rewrite-checklist\/","title":{"rendered":"\u4ee3\u7406\u8fd4\u56de 400 \u600e\u4e48\u6392\u67e5\uff1a\u8bf7\u6c42\u884c\u3001\u8bf7\u6c42\u5934\u3001Host\u3001\u7f16\u7801\u548c\u4ee3\u7406\u6539\u5199"},"content":{"rendered":"<p>\u4ee3\u7406\u8fd4\u56de 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400\uff0c\u4e14\u80fd\u4fdd\u5b58\u4e00\u6b21\u5b8c\u6574\u590d\u73b0\u3002<\/li>\n<li><strong>\u5931\u8d25\u6761\u4ef6\uff1a<\/strong>\u5ba2\u6237\u7aef\u628a\u4ee3\u7406\u63e1\u624b\u3001TLS \u6216\u8ba4\u8bc1\u9519\u8bef\u7edf\u4e00\u663e\u793a\u6210 400\u3002<\/li>\n<li><strong>\u505c\u6b62\u6761\u4ef6\uff1a<\/strong>\u65e0\u6cd5\u786e\u8ba4\u54cd\u5e94\u6765\u6e90\uff0c\u6216\u7ee7\u7eed\u6d4b\u8bd5\u4f1a\u63d0\u4ea4\u8868\u5355\u3001\u4fee\u6539\u4e1a\u52a1\u6570\u636e\u3002<\/li>\n<\/ul>\n<h2>\u7b2c\u4e00\u6b65\uff1a\u786e\u8ba4 400 \u7531\u54ea\u4e00\u5c42\u8fd4\u56de<\/h2>\n<p>\u6bd4\u8f83 Server\u3001Via\u3001\u8bf7\u6c42\u6807\u8bc6\u3001\u9519\u8bef\u9875\u7ed3\u6784\u3001\u54cd\u5e94\u65f6\u95f4\u548c\u4ee3\u7406\u65e5\u5fd7\u3002\u4ee3\u7406\u5165\u53e3\u3001\u4f01\u4e1a\u7f51\u5173\u3001\u5185\u5bb9\u5206\u53d1\u8282\u70b9\u3001\u5e94\u7528\u7f51\u5173\u4e0e\u76ee\u6807\u5e94\u7528\u90fd\u53ef\u80fd\u8fd4\u56de 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class=\"wp-block-table\">\n<table>\n<thead>\n<tr>\n<th>\u89c2\u5bdf\u7ed3\u679c<\/th>\n<th>\u66f4\u53ef\u80fd\u7684\u6765\u6e90<\/th>\n<th>\u4e0b\u4e00\u6b65<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4ee3\u7406\u5165\u53e3\u7acb\u5373\u8fd4\u56de\uff0c\u5c1a\u65e0\u51fa\u53e3\u8bb0\u5f55<\/td>\n<td>\u4ee3\u7406\u534f\u8bae\u3001\u8ba4\u8bc1\u683c\u5f0f\u6216\u8bf7\u6c42\u884c<\/td>\n<td>\u6838\u5bf9\u5165\u53e3\u7c7b\u578b\u4e0e\u6700\u5c0f\u8bf7\u6c42<\/td>\n<\/tr>\n<tr>\n<td>\u5df2\u6709\u51fa\u53e3\u4e0e\u76ee\u6807\u8fde\u63a5\uff0c\u76ee\u6807\u8fd4\u56de 400<\/td>\n<td>Host\u3001\u8bf7\u6c42\u5934\u3001\u6b63\u6587\u6216\u5e94\u7528\u6821\u9a8c<\/td>\n<td>\u6bd4\u8f83\u76f4\u8fde\u4e0e\u4ee3\u7406\u540e\u7684\u5b9e\u9645\u8bf7\u6c42<\/td>\n<\/tr>\n<tr>\n<td>\u4ec5 HTTPS \u8bf7\u6c42\u5f02\u5e38<\/td>\n<td>TLS\u3001SNI\u3001\u96a7\u9053\u65b9\u5f0f\u6216\u4e2d\u95f4\u5c42\u6539\u5199<\/td>\n<td>\u6838\u5bf9 CONNECT 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JSON\uff0c\u5b57\u6bb5\u540d\u548c\u5b57\u7b26\u4e32\u5f15\u53f7\u4e5f\u8981\u9010\u9879\u786e\u8ba4\u3002<\/p>\n<p>\u53ef\u5c06\u5931\u8d25\u8bf7\u6c42\u4e0e\u6210\u529f\u6837\u672c\u8f6c\u6210\u5341\u516d\u8fdb\u5236\u6458\u8981\u505a\u5dee\u5f02\u6bd4\u8f83\uff0c\u4f46\u65e5\u5fd7\u4e2d\u4e0d\u5f97\u4fdd\u5b58\u660e\u6587\u5bc6\u7801\u3001\u4ee4\u724c\u6216\u5b8c\u6574\u4e2a\u4eba\u6570\u636e\u3002\u53ea\u4fdd\u7559\u5b9a\u4f4d\u6240\u9700\u7684\u8131\u654f\u7247\u6bb5\u548c\u54c8\u5e0c\u3002<\/p>\n<h2>\u7b2c\u516b\u6b65\uff1a\u68c0\u67e5\u4ee3\u7406\u6216\u7f51\u5173\u662f\u5426\u6539\u5199\u4e86\u8bf7\u6c42<\/h2>\n<p>\u6bd4\u8f83\u53d1\u9001\u524d\u3001\u4ee3\u7406\u5165\u53e3\u8bb0\u5f55\u548c\u76ee\u6807\u4fa7\u8bb0\u5f55\uff0c\u89c2\u5bdf 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class=\"wp-block-table\">\n<table>\n<thead>\n<tr>\n<th>\u68c0\u67e5\u5c42<\/th>\n<th>\u5fc5\u987b\u8bb0\u5f55<\/th>\n<th>\u901a\u8fc7\u6761\u4ef6<\/th>\n<th>\u5931\u8d25\u540e\u7684\u52a8\u4f5c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u54cd\u5e94\u6765\u6e90<\/td>\n<td>\u72b6\u6001\u7801\u3001Server\u3001Via\u3001\u8bf7\u6c42\u6807\u8bc6\u3001\u65f6\u95f4<\/td>\n<td>\u80fd\u786e\u5b9a\u8fd4\u56de 400 \u7684\u5177\u4f53\u5c42<\/td>\n<td>\u8865\u9f50\u5404\u5c42\u65e5\u5fd7\u540e\u518d\u6d4b\u8bd5<\/td>\n<\/tr>\n<tr>\n<td>\u8bf7\u6c42\u884c<\/td>\n<td>\u65b9\u6cd5\u3001\u76ee\u6807\u5f62\u5f0f\u3001HTTP 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