{"id":168392,"date":"2026-08-23T14:56:24","date_gmt":"2026-08-23T11:56:24","guid":{"rendered":"https:\/\/www.catonetworks.com\/glossary\/%e4%bb%80%e9%ba%bc%e6%98%af%e4%bb%a3%e7%90%86%e4%bc%ba%e6%9c%8d%e5%99%a8%ef%bc%9f\/"},"modified":"2026-08-23T15:21:04","modified_gmt":"2026-08-23T12:21:04","slug":"what-is-proxy-server","status":"publish","type":"glossary","link":"https:\/\/www.catonetworks.com\/zh\/glossary\/what-is-proxy-server\/","title":{"rendered":"\u4ec0\u9ebc\u662f\u4ee3\u7406\u4f3a\u670d\u5668\uff1f"},"content":{"rendered":"\n<p 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id=\"h-what-a-reverse-proxy-does\">\u53cd\u5411\u4ee3\u7406\u7684\u529f\u80fd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c07\u50b3\u5165\u7684\u8acb\u6c42\u5206\u914d\u5230\u5f8c\u7aef\u4f3a\u670d\u5668\u4ee5\u9032\u884c\u8ca0\u8f09\u5e73\u8861\u3002<\/li>\n\n\n\n<li>\u7d42\u6b62 TLS\uff0c\u56e0\u6b64\u6bcf\u500b\u5f8c\u7aef\u670d\u52d9\u4e0d\u5fc5\u76f4\u63a5\u7ba1\u7406\u52a0\u5bc6\u3002<\/li>\n\n\n\n<li>\u5feb\u53d6\u6216\u58d3\u7e2e\u56de\u61c9\u4ee5\u6e1b\u5c11\u5ef6\u9072\u548c\u539f\u59cb\u4f3a\u670d\u5668\u8ca0\u8f09\u3002<\/li>\n\n\n\n<li>\u5728\u8acb\u6c42\u5230\u9054\u61c9\u7528\u7a0b\u5f0f\u4e4b\u524d\u5957\u7528 Web \u61c9\u7528\u7a0b\u5f0f\u9632\u706b\u7246\u898f\u5247\u3002<\/li>\n\n\n\n<li>\u96b1\u85cf\u5f8c\u7aef\u62d3\u64b2\uff0c\u56e0\u6b64\u5ba2\u6236\u7aef\u4e0d\u6703\u76f4\u63a5\u9023\u63a5\u5230\u5167\u90e8\u4f3a\u670d\u5668\u3002<\/li>\n\n\n\n<li>\u5728\u61c9\u7528\u7a0b\u5f0f\u908a\u7de3\u96c6\u4e2d\u5316\u8def\u7531\u3001\u5b58\u53d6\u63a7\u5236\u548c\u5b89\u5168\u6027\u539f\u5247\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-reverse-proxy-example\">\u53cd\u5411\u4ee3\u7406\u7bc4\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7db2\u7ad9\u7684\u7db2\u57df\u6307\u5411\u53cd\u5411\u4ee3\u7406\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u6307\u5411\u5176\u61c9\u7528\u7a0b\u5f0f\u4f3a\u670d\u5668\u3002\u6bcf\u500b\u8acb\u6c42\u90fd\u6703\u5148\u5230\u9054\u53cd\u5411\u4ee3\u7406\u3002\u4ee3\u7406\u4f3a\u670d\u5668\u53ef\u4ee5\u5c07\u8acb\u6c42\u767c\u9001\u5230\u6b63\u78ba\u7684\u5f8c\u7aef\u3001\u8655\u7406 TLS\u3001\u63d0\u4f9b\u5feb\u53d6\u975c\u614b\u6a94\u6848\uff0c\u6216\u5728\u6d41\u91cf\u63a5\u89f8\u61c9\u7528\u7a0b\u5f0f\u4e4b\u524d\u5c01\u9396\u53ef\u7591\u6d41\u91cf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u8005\u901a\u5e38\u770b\u4e0d\u5230\u8a72\u5c64\u3002\u5c31\u700f\u89bd\u5668\u800c\u8a00\uff0c\u5b83\u6b63\u5728\u8207\u7db2\u7ad9\u9032\u884c\u901a\u8a0a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-forward-proxy-vs-reverse-proxy\">\u6b63\u5411\u4ee3\u7406\u8207\u53cd\u5411\u4ee3\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u7c21\u55ae\u7684\u6301\u4e45\u898f\u5247\u662f\uff1a\u6b63\u5411\u4ee3\u7406\u96b1\u85cf\u6216\u4ee3\u8868\u5ba2\u6236\u7aef\u3002\u53cd\u5411\u4ee3\u7406\u96b1\u85cf\u6216\u4ee3\u8868\u4f3a\u670d\u5668\u3002\u5169\u8005\u7686\u70ba\u4e2d\u4ecb\uff0c\u4f46\u5b83\u5011\u5c0d\u61c9\u67b6\u69cb\u7684\u4e0d\u540c\u90e8\u5206\u3002<\/p>\n\n\n<section class=\"c-block b-title-text-buttons--default c-margin c-margin--bottom-default c-padding c-padding--top-default c-padding--bottom-default c-block b-title-text-buttons b-title-text-buttons--page-what-is-proxy-server  align b-title-text-buttons-layout-default b-title-text-buttons-style-default\" id=\"How_to_Implement_ZTNA\">\n\t<div class=\"c-background c-background--container\">\n    \n    \n    <div class=\"c-background__content\">\n\t\t<div class=\"container\">\n\t\t\t<div class=\"b-title-text-buttons__content\">\n\t\t\t\t\t\t\t\t<div class=\"c-text\" >\n\t\t<table>\n<thead>\n<tr>\n<th>\u7dad\u5ea6<\/th>\n<th>\u6b63\u5411\u4ee3\u7406<\/th>\n<th>\u53cd\u5411\u4ee3\u7406<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4ee3\u8868<\/td>\n<td>\u7528\u6236\u7aef<\/td>\n<td>\u4f3a\u670d\u5668\u6216\u61c9\u7528\u7a0b\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>\u4f4d\u65bc&#8230;\u4e4b\u524d<\/td>\n<td>\u7528\u6236\u7aef\u88dd\u7f6e<\/td>\n<td>\u5f8c\u7aef\u4f3a\u670d\u5668<\/td>\n<\/tr>\n<tr>\n<td>\u6d41\u91cf\u89c0\u9ede<\/td>\n<td>\u4f86\u81ea\u7528\u6236\u7aef\u7684\u5c0d\u5916\u6d41\u91cf<\/td>\n<td>\u524d\u5f80\u61c9\u7528\u7a0b\u5f0f\u7684\u5c0d\u5167\u6d41\u91cf<\/td>\n<\/tr>\n<tr>\n<td>\u7531&#8230;\u8a2d\u5b9a<\/td>\n<td>\u7528\u6236\u7aef\u3001\u700f\u89bd\u5668\u3001\u88dd\u7f6e\u6216\u7528\u6236\u7aef\u7db2\u8def<\/td>\n<td>\u4f3a\u670d\u5668\u64c1\u6709\u8005\u6216\u57fa\u790e\u67b6\u69cb\u5718\u968a<\/td>\n<\/tr>\n<tr>\n<td>\u96b1\u85cf&#8230;\u7684\u8eab\u5206<\/td>\n<td>\u7528\u6236\u7aef\uff08\u8996\u8a2d\u5b9a\u800c\u5b9a\uff09<\/td>\n<td>\u5f8c\u7aef\u4f3a\u670d\u5668\u8207\u5167\u90e8\u62d3\u64b2<\/td>\n<\/tr>\n<tr>\n<td>\u5e38\u898b\u7528\u9014<\/td>\n<td>\u96b1\u79c1\u6b0a\u3001\u5167\u5bb9\u904e\u6ffe\u3001\u5c0d\u5916\u5b58\u53d6\u63a7\u5236\u3001\u76e3\u63a7\u3001\u5feb\u53d6<\/td>\n<td>\u8ca0\u8f09\u5e73\u8861\u3001TLS \u7d42\u6b62\u3001\u5feb\u53d6\u3001WAF \u904e\u6ffe\u3001\u8def\u7531\u3001\u53ef\u64f4\u5c55\u6027<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-related-terms-that-are-easy-to-mix-up\">\u5bb9\u6613\u6df7\u6dc6\u7684\u76f8\u95dc\u8853\u8a9e<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-reverse-proxy-vs-load-balancer\">\u53cd\u5411\u4ee3\u7406\u8207\u8ca0\u8f09\u5e73\u8861\u5668<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ca0\u8f09\u5e73\u8861\u5668\u6703\u5c07\u6d41\u91cf\u5206\u914d\u5230\u591a\u53f0\u4f3a\u670d\u5668\u4e0a\u3002\u53cd\u5411\u4ee3\u7406\u53ef\u4ee5\u57f7\u884c\u8ca0\u8f09\u5e73\u8861\uff0c\u4f46\u5b83\u4e5f\u80fd\u8655\u7406 TLS \u7d42\u6b62\u3001\u5feb\u53d6\u3001URL \u8def\u7531\u3001\u6a19\u982d\u8b8a\u66f4\u3001\u58d3\u7e2e\u548c\u5b89\u5168\u6027\u904e\u6ffe\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c64\u7d1a\u5f88\u91cd\u8981\u3002\u6709\u4e9b\u8ca0\u8f09\u5e73\u8861\u5668\u904b\u4f5c\u65bc HTTP \u5c64\u4e4b\u4e0b\uff0c\u4e0d\u6703\u6aa2\u67e5\u4e3b\u6a5f\u540d\u7a31\u3001\u8def\u5f91\u6216\u6a19\u982d\u3002HTTP \u53cd\u5411\u4ee3\u7406\u5247\u6703\u8655\u7406\u9019\u4e9b\u61c9\u7528\u5c64\u7684\u7d30\u7bc0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cdn-vs-reverse-proxy\">CDN \u8207&#8230;\u53cd\u5411\u4ee3\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5167\u5bb9\u50b3\u905e\u7db2\u8def\u901a\u5e38\u8868\u73fe\u5f97\u50cf\u662f\u4e00\u500b\u5206\u6563\u5f0f\u7684\u53cd\u5411\u4ee3\u7406\u3002\u5b83\u4f4d\u65bc\u539f\u59cb\u4f3a\u670d\u5668\u524d\u65b9\uff0c\u5728\u908a\u7de3\u7bc0\u9ede\u5feb\u53d6\u5167\u5bb9\uff0c\u4e26\u5728\u53ef\u80fd\u7684\u60c5\u6cc1\u4e0b\u5f9e\u66f4\u9760\u8fd1\u4f7f\u7528\u8005\u7684\u4f4d\u7f6e\u70ba\u5176\u63d0\u4f9b\u670d\u52d9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-api-gateway-vs-reverse-proxy\">API \u9598\u9053\u8207&#8230;\u53cd\u5411\u4ee3\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">API \u9598\u9053\u662f\u4e00\u7a2e\u5c08\u70ba API \u5efa\u69cb\u7684\u53cd\u5411\u4ee3\u7406\u6a21\u5f0f\u3002\u5b83\u901a\u5e38\u6703\u589e\u52a0 API \u5c08\u5c6c\u7684\u63a7\u5236\u529f\u80fd\uff0c\u4f8b\u5982\u9a57\u8b49\u3001\u6388\u6b0a\u3001\u901f\u7387\u9650\u5236\u3001\u8acb\u6c42\u8f49\u63db\u3001\u56de\u61c9\u8f49\u63db\u4ee5\u53ca\u9762\u5411\u958b\u767c\u8005\u7684\u8def\u7531\u898f\u5247\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-transparent-proxy-vs-forward-proxy\">\u900f\u660e\u4ee3\u7406\u8207&#8230;\u6b63\u5411\u4ee3\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u900f\u660e\u4ee3\u7406\u6703\u5728\u4e0d\u8981\u6c42\u4f7f\u7528\u8005\u65bc\u700f\u89bd\u5668\u6216\u4f5c\u696d\u7cfb\u7d71\u4e2d\u8a2d\u5b9a\u4ee3\u7406\u7684\u60c5\u6cc1\u4e0b\uff0c\u6514\u622a\u7528\u6236\u7aef\u6d41\u91cf\u3002\u4f01\u696d\u3001\u5b78\u6821\u548c ISP \u53ef\u80fd\u6703\u4f7f\u7528\u9019\u7a2e\u65b9\u6cd5\u4f86\u5be6\u65bd\u7db2\u8def\u5c64\u7d1a\u7684\u653f\u7b56\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u900f\u660e\u300d\u63cf\u8ff0\u7684\u662f\u5c0d\u7528\u6236\u7aef\u7684\u80fd\u898b\u5ea6\u3002\u5b83\u4e26\u672a\u5b9a\u7fa9\u8a72\u4ee3\u7406\u662f\u6b63\u5411\u9084\u662f\u53cd\u5411\u3002\u5728\u4e00\u822c\u7528\u6cd5\u4e2d\uff0c\u900f\u660e\u4ee3\u7406\u901a\u5e38\u662f\u6307\u5728\u6c92\u6709\u660e\u78ba\u7528\u6236\u7aef\u8a2d\u5b9a\u4e0b\u6240\u90e8\u7f72\u7684\u6b63\u5411\u4ee3\u7406\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-reverse-proxy-vs-port-forwarding\">\u53cd\u5411\u4ee3\u7406\u8207\u9023\u63a5\u57e0\u8f49\u767c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9023\u63a5\u57e0\u8f49\u767c\u6703\u6839\u64da\u9023\u63a5\u57e0\u865f\u78bc\u91cd\u65b0\u5c0e\u5411\u6d41\u91cf\u3002\u5b83\u901a\u5e38\u7121\u6cd5\u8b58\u5225\u4e3b\u6a5f\u540d\u7a31\u3001\u8def\u5f91\u3001\u6a19\u982d\u6216\u61c9\u7528\u7a0b\u5f0f\u5167\u5bb9\u3002\u53cd\u5411\u4ee3\u7406\u5728\u5806\u758a\u4e2d\u904b\u4f5c\u5c64\u7d1a\u8f03\u9ad8\uff0c\u4e26\u80fd\u6839\u64da\u8acb\u6c42\u7d30\u7bc0\u8def\u7531 HTTP \u8acb\u6c42\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-can-you-use-forward-and-reverse-proxies-together\">\u60a8\u53ef\u4ee5\u540c\u6642\u4f7f\u7528\u6b63\u5411\u8207\u53cd\u5411\u4ee3\u7406\u55ce\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u3002\u5b83\u5011\u7d93\u5e38\u51fa\u73fe\u5728\u540c\u4e00\u500b\u74b0\u5883\u4e2d\uff0c\u56e0\u70ba\u5b83\u5011\u89e3\u6c7a\u7684\u662f\u4e0d\u540c\u7684\u554f\u984c\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b63\u5411\u4ee3\u7406\u53ef\u4ee5\u900f\u904e\u904e\u6ffe\u3001\u8a18\u9304\u8207\u5b58\u53d6\u63a7\u5236\u4f86\u7ba1\u7406\u54e1\u5de5\u7684\u5c0d\u5916\u6d41\u91cf\u3002<\/li>\n\n\n\n<li>\u53cd\u5411\u4ee3\u7406\u53ef\u4ee5\u900f\u904e\u8def\u7531\u3001TLS\u3001\u5feb\u53d6\u8207\u5b89\u5168\u6027\u904e\u6ffe\u4f86\u7ba1\u7406\u5c0d\u5167\u7684\u61c9\u7528\u7a0b\u5f0f\u6d41\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u540c\u7684\u67b6\u69cb\u4e5f\u53ef\u80fd\u5305\u542b\u9632\u706b\u7246\u3001NAT\u3001CDN \u908a\u7de3\u7bc0\u9ede\u3001API \u9598\u9053\u8207\u8ca0\u8f09\u5e73\u8861\u5668\u3002\u6b63\u5411\u4ee3\u7406\u8207\u53cd\u5411\u4ee3\u7406\u4e26\u975e\u76f8\u4e92\u7af6\u722d\u7684\u9078\u64c7\u3002\u5b83\u5011\u4f4d\u65bc\u6d41\u91cf\u8def\u5f91\u7684\u4e0d\u540c\u5074\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-security-trade-offs\">\u5b89\u5168\u6027\u6b0a\u8861<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u7406\u4f3a\u670d\u5668\u53ef\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u4f46\u300c\u4ee3\u7406\u300d\u9019\u500b\u8a5e\u672c\u8eab\u4e26\u4e0d\u80fd\u8b93\u7cfb\u7d71\u8b8a\u5f97\u5b89\u5168\u3002\u5176\u50f9\u503c\u4f86\u81ea\u65bc\u8a2d\u5b9a\u3001\u76e3\u63a7\u3001\u6240\u6709\u6b0a\u8207\u5be9\u67e5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u5411\u4ee3\u7406\u6703\u96c6\u4e2d\u8655\u7406\u5c0d\u5916\u6d41\u91cf\u3002\u9019\u6709\u52a9\u65bc\u63d0\u9ad8\u53ef\u8996\u6027\u8207\u653f\u7b56\u57f7\u884c\uff0c\u4f46\u4e5f\u5efa\u7acb\u4e86\u4e00\u500b\u654f\u611f\u7684\u63a7\u5236\u9ede\u3002\u5982\u679c\u4ee3\u7406\u4f3a\u670d\u5668\u6545\u969c\uff0c\u4f7f\u7528\u8005\u53ef\u80fd\u6703\u5931\u53bb\u5b58\u53d6\u6b0a\u3002\u5982\u679c\u5b83\u88ab\u6feb\u7528\u6216\u906d\u5230\u5165\u4fb5\uff0c\u53ef\u80fd\u6703\u66b4\u9732\u700f\u89bd\u884c\u70ba\u8207\u5176\u4ed6\u5c0d\u5916\u6d3b\u52d5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cd\u5411\u4ee3\u7406\u6703\u96c6\u4e2d\u8655\u7406\u5c0d\u5167\u61c9\u7528\u7a0b\u5f0f\u6d41\u91cf\u3002\u9019\u53ef\u4ee5\u6e1b\u5c11\u5f8c\u7aef\u7cfb\u7d71\u7684\u76f4\u63a5\u66b4\u9732\uff0c\u4f46\u4e0d\u826f\u7684\u8a2d\u5b9a\u4ecd\u53ef\u80fd\u6d29\u6f0f\u5f8c\u7aef\u7d30\u7bc0\u3001\u524a\u5f31 TLS \u8655\u7406\u3001\u8f49\u767c\u4e0d\u5b89\u5168\u7684\u6a19\u982d\uff0c\u6216\u66b4\u9732\u672c\u61c9\u4fdd\u6301\u79c1\u5bc6\u7684\u670d\u52d9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">\u5e38\u898b\u554f\u984c\u96c6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-the-difference-between-a-proxy-and-a-forward-proxy\">\u4ee3\u7406\u4f3a\u670d\u5668\u8207\u6b63\u5411\u4ee3\u7406\u4f3a\u670d\u5668\u4e4b\u9593\u6709\u4ec0\u9ebc\u5340\u5225\uff1f<\/h3>\n\n\n\n<p 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