{"id":478098,"date":"2023-08-09T09:27:27","date_gmt":"2023-08-09T09:27:27","guid":{"rendered":""},"modified":"2023-09-05T11:16:03","modified_gmt":"2023-09-05T11:16:03","slug":"nat-traversal","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/nat-traversal\/","title":{"rendered":"NAT\u7a7f\u8d8a"},"content":{"rendered":"<p>NAT \u904d\u5386\u662f\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u904d\u5386\u7684\u7f29\u5199\uff0c\u662f\u4e00\u79cd\u5141\u8bb8\u4f4d\u4e8e\u4e0d\u540c\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u5668 (NAT) \u540e\u9762\u7684\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u7684\u6280\u672f\u3002 NAT \u901a\u5e38\u7528\u4e8e\u5bb6\u5ead\u548c\u529e\u516c\u7f51\u7edc\u4e2d\uff0c\u4ee5\u8282\u7701 IPv4 \u5730\u5740\uff0c\u5c06\u79c1\u6709 IP \u5730\u5740\u8f6c\u6362\u4e3a\u5355\u4e2a\u516c\u5171 IP \u5730\u5740\u4ee5\u8fdb\u884c\u4e92\u8054\u7f51\u8bbf\u95ee\u3002\u8fd9\u79cd\u505a\u6cd5\u5bf9\u4f4d\u4e8e NAT \u540e\u9762\u7684\u8bbe\u5907\u4e4b\u95f4\u7684\u76f4\u63a5\u901a\u4fe1\u63d0\u51fa\u4e86\u6311\u6218\u3002 NAT\u7a7f\u8d8a\u6280\u672f\u6709\u52a9\u4e8e\u514b\u670d\u8fd9\u4e9b\u9650\u5236\u5e76\u4fc3\u8fdb\u6570\u636e\u4f20\u8f93\u7684\u987a\u5229\u8fdb\u884c\u3002<\/p>\n<h2>NAT \u7a7f\u8d8a\u7684\u8d77\u6e90\u5386\u53f2\u4ee5\u53ca\u9996\u6b21\u63d0\u53ca<\/h2>\n<p>NAT \u7a7f\u8d8a\u7684\u6982\u5ff5\u6700\u65e9\u51fa\u73b0\u5728 20 \u4e16\u7eaa 90 \u5e74\u4ee3\u672b\uff0c\u5f53\u65f6\u7531\u4e8e IPv4 \u5730\u5740\u8017\u5c3d\uff0cNAT \u7684\u4f7f\u7528\u53d8\u5f97\u5341\u5206\u666e\u904d\u3002NAT \u7a7f\u8d8a\u7684\u9996\u6b21\u63d0\u53ca\u53ef\u4ee5\u8ffd\u6eaf\u5230 1999 \u5e74\u63a8\u51fa\u7684 STUN\uff08NAT \u4f1a\u8bdd\u7a7f\u8d8a\u5b9e\u7528\u7a0b\u5e8f\uff09\u534f\u8bae\u3002STUN \u5141\u8bb8\u8bbe\u5907\u53d1\u73b0\u5176\u516c\u5171 IP \u5730\u5740\u5e76\u4f7f\u7528\u5404\u79cd\u7f51\u7edc\u884c\u4e3a\u7a7f\u8d8a NAT\u3002<\/p>\n<h2>NAT\u7a7f\u8d8a\u8be6\u7ec6\u4ecb\u7ecd\uff1a\u6269\u5c55\u4e3b\u9898NAT\u7a7f\u8d8a<\/h2>\n<p>NAT \u7a7f\u8d8a\u673a\u5236\u65e8\u5728\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684 NAT \u914d\u7f6e\uff0c\u5e76\u5728\u8bbe\u5907\u4e4b\u95f4\u63d0\u4f9b\u9ad8\u6548\u7684\u901a\u4fe1\u901a\u9053\u3002\u8fd9\u6d89\u53ca\u8bc6\u522b NAT \u7c7b\u578b\u3001\u6620\u5c04\u7aef\u53e3\u4ee5\u53ca\u8bbe\u7f6e\u9002\u5f53\u7684\u901a\u4fe1\u8def\u5f84\u3002NAT \u7a7f\u8d8a\u7684\u4e00\u4e9b\u5173\u952e\u7ec4\u4ef6\u548c\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>STUN\uff08NAT \u4f1a\u8bdd\u904d\u5386\u5b9e\u7528\u7a0b\u5e8f\uff09<\/strong>\uff1aSTUN \u670d\u52a1\u5668\u5e2e\u52a9\u786e\u5b9a\u8bbe\u5907\u540e\u9762\u7684 NAT \u7c7b\u578b\u5e76\u83b7\u53d6\u5176\u516c\u5171 IP \u548c\u7aef\u53e3\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>TURN\uff08\u4f7f\u7528\u4e2d\u7ee7\u7ed5\u8fc7 NAT\uff09<\/strong>\uff1a\u5728\u65e0\u6cd5\u76f4\u63a5\u901a\u4fe1\u7684\u60c5\u51b5\u4e0b\uff0cTURN \u670d\u52a1\u5668\u5145\u5f53\u4e2d\u4ecb\u5728\u8bbe\u5907\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>ICE\uff08\u4ea4\u4e92\u5f0f\u8fde\u63a5\u5efa\u7acb\uff09<\/strong>\uff1aICE \u662f\u4e00\u79cd\u7ed3\u5408 STUN \u548c TURN \u7684\u6280\u672f\uff0c\u53ef\u5728\u8bbe\u5907\u4e4b\u95f4\u5efa\u7acb\u6700\u4f73\u7684\u8fde\u63a5\u8def\u5f84\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>NAT\u7a7f\u8d8a\u7684\u5185\u90e8\u7ed3\u6784\uff1aNAT\u7a7f\u8d8a\u662f\u5982\u4f55\u5de5\u4f5c\u7684<\/h2>\n<p>NAT \u7a7f\u8d8a\u901a\u8fc7\u5229\u7528\u7279\u5b9a\u7684\u534f\u8bae\u548c\u6280\u672f\u6765\u5b9e\u73b0\u8de8 NAT \u8fb9\u754c\u7684\u901a\u4fe1\u3002\u8be5\u8fc7\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5730\u5740\u53d1\u73b0<\/strong>\uff1a\u5ba2\u6237\u7aef\u67e5\u8be2STUN\u670d\u52a1\u5668\u4ee5\u4e86\u89e3\u5176\u516c\u5171IP\u548c\u7aef\u53e3\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8fde\u63a5\u6027\u68c0\u67e5<\/strong>\uff1a\u8bbe\u5907\u4f7f\u7528 STUN \u6267\u884c\u8fde\u63a5\u68c0\u67e5\uff0c\u4ee5\u6536\u96c6\u6709\u5173\u5176 NAT \u7c7b\u578b\u548c\u5f00\u653e\u7aef\u53e3\u53ef\u7528\u6027\u7684\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u904d\u5386\u65b9\u6cd5<\/strong>\uff1a\u6839\u636e STUN \u7684\u7ed3\u679c\uff0c\u8bbe\u5907\u5c1d\u8bd5\u5efa\u7acb\u76f4\u63a5\u5bf9\u7b49\u8fde\u63a5\u3002\u5982\u679c\u7531\u4e8e\u5bf9\u79f0 NAT \u6216\u5176\u4ed6\u9650\u5236\u800c\u5931\u8d25\uff0c\u5b83\u4eec\u5c06\u4f7f\u7528 TURN \u670d\u52a1\u5668\u8fdb\u884c\u4e2d\u7ee7\u901a\u4fe1\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>NAT\u7a7f\u8d8a\u7684\u5173\u952e\u7279\u5f81\u5206\u6790<\/h2>\n<p>NAT\u7a7f\u8d8a\u7ed9\u7f51\u7edc\u901a\u4fe1\u5e26\u6765\u4e86\u51e0\u4e2a\u91cd\u8981\u7684\u7279\u6027\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u7b80\u5316\u7f51\u7edc\u914d\u7f6e<\/strong>\uff1aNAT \u7a7f\u8d8a\u6d88\u9664\u4e86\u624b\u52a8\u7aef\u53e3\u8f6c\u53d1\u548c\u590d\u6742\u7f51\u7edc\u914d\u7f6e\u7684\u9700\u8981\uff0c\u4f7f\u6700\u7ec8\u7528\u6237\u66f4\u5bb9\u6613\u8bbe\u7f6e\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6539\u5584\u8fde\u63a5\u6027<\/strong>\uff1a\u901a\u8fc7\u542f\u7528\u76f4\u63a5\u70b9\u5bf9\u70b9\u901a\u4fe1\uff0cNAT \u7a7f\u8d8a\u53ef\u51cf\u5c11\u5ef6\u8fdf\u5e76\u63d0\u9ad8\u6574\u4f53\u901a\u4fe1\u6027\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u589e\u5f3a\u5b89\u5168\u6027<\/strong>\uff1aNAT \u901a\u8fc7\u9690\u85cf\u5185\u90e8 IP \u5730\u5740\u5145\u5f53\u57fa\u672c\u9632\u706b\u5899\u3002 NAT \u904d\u5386\u901a\u8fc7\u5728\u5efa\u7acb\u901a\u4fe1\u8def\u5f84\u65f6\u4fdd\u6301 NAT \u5b8c\u6574\u6765\u786e\u4fdd\u5b89\u5168\u901a\u4fe1\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>NAT\u7a7f\u8d8a\u7684\u7c7b\u578b<\/h2>\n<p>\u591a\u5e74\u6765\uff0c\u5df2\u7ecf\u5f00\u53d1\u4e86\u591a\u79cd NAT \u7a7f\u8d8a\u65b9\u6cd5\u6765\u5e94\u5bf9\u5404\u79cd\u7f51\u7edc\u60c5\u51b5\u3002\u4e3b\u8981\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u6cd5<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>STUN\uff08NAT \u4f1a\u8bdd\u904d\u5386\u5b9e\u7528\u7a0b\u5e8f\uff09<\/td>\n<td>\u8bc6\u522bNAT\u7c7b\u578b\u5e76\u83b7\u53d6\u516c\u7f51IP\/\u7aef\u53e3\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<tr>\n<td>TURN\uff08\u4f7f\u7528\u4e2d\u7ee7\u7ed5\u8fc7 NAT\uff09<\/td>\n<td>\u5728\u65e0\u6cd5\u76f4\u63a5\u901a\u4fe1\u65f6\u5145\u5f53\u4e2d\u7ee7\u3002<\/td>\n<\/tr>\n<tr>\n<td>ICE\uff08\u4ea4\u4e92\u5f0f\u8fde\u63a5\u5efa\u7acb\uff09<\/td>\n<td>\u7ed3\u5408 STUN \u548c TURN \u6765\u5bfb\u627e\u6700\u4f73\u8fde\u63a5\u8def\u5f84\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>NAT\u7a7f\u8d8a\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h2>\n<p>NAT\u7a7f\u8d8a\u6709\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>VoIP\uff08\u4e92\u8054\u7f51\u534f\u8bae\u8bed\u97f3\uff09<\/strong>\uff1aNAT\u7a7f\u8d8a\u4fdd\u8bc1VoIP\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u65e0\u7f1d\u901a\u4fe1\uff0c\u63d0\u9ad8\u901a\u8bdd\u8d28\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>P2P \u6587\u4ef6\u5171\u4eab<\/strong>\uff1aNAT\u7a7f\u8d8a\u53ef\u4ee5\u8ba9\u4e0d\u540c\u79c1\u6709\u7f51\u7edc\u4e2d\u7684\u7528\u6237\u76f4\u63a5\u5171\u4eab\u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5728\u7ebf\u6e38\u620f<\/strong>\uff1a\u6e38\u620f\u73a9\u5bb6\u53ef\u4ee5\u76f4\u63a5\u76f8\u4e92\u8fde\u63a5\uff0c\u51cf\u5c11\u5ef6\u8fdf\u5e76\u589e\u5f3a\u591a\u4eba\u6e38\u620f\u4f53\u9a8c\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u5c3d\u7ba1\u6709\u5f88\u591a\u597d\u5904\uff0cNAT \u7a7f\u8d8a\u4e5f\u9762\u4e34\u7740\u6311\u6218\uff0c\u4f8b\u5982\u5bf9\u79f0 NAT\u3001\u9632\u706b\u5899\u9650\u5236\u548c\u975e\u5bf9\u79f0\u8def\u7531\u3002\u4e3a\u4e86\u514b\u670d\u8fd9\u4e9b\u95ee\u9898\uff0c\u4f7f\u7528 TURN \u670d\u52a1\u5668\u6765\u4e2d\u7ee7\u6570\u636e\u548c\u4f7f\u7528 ICE \u6765\u9009\u62e9\u6700\u4f73\u8def\u5f84\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u4e0e\u540c\u7c7b\u672f\u8bed\u7684\u5176\u4ed6\u6bd4\u8f83<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NAT\uff08\u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff09<\/td>\n<td>\u5c06\u79c1\u6709 IP \u5730\u5740\u8f6c\u6362\u4e3a\u516c\u5171 IP \u5730\u5740\u4ee5\u8fdb\u884c\u4e92\u8054\u7f51\u8bbf\u95ee\u7684\u6280\u672f\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u9632\u706b\u5899<\/td>\n<td>\u6839\u636e\u9884\u5b9a\u4e49\u89c4\u5219\u63a7\u5236\u4f20\u5165\u548c\u4f20\u51fa\u7f51\u7edc\u6d41\u91cf\u7684\u5b89\u5168\u7cfb\u7edf\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7406\u670d\u52a1\u5668<\/td>\n<td>\u4e2d\u4ecb\u670d\u52a1\u5668\uff0c\u7528\u4e8e\u4fc3\u8fdb\u5ba2\u6237\u7aef\u548c\u4e92\u8054\u7f51\u4e0a\u5176\u4ed6\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8bf7\u6c42\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>NAT \u7a7f\u8d8a\u53ef\u4ee5\u5728\u4e0d\u53d7 NAT \u9650\u5236\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u76f4\u63a5\u901a\u4fe1\uff0c\u4ece\u800c\u5bf9\u9632\u706b\u5899\u548c\u4ee3\u7406\u670d\u52a1\u5668\u8fdb\u884c\u8865\u5145\u3002<\/p>\n<h2>\u4e0e NAT \u7a7f\u8d8a\u76f8\u5173\u7684\u672a\u6765\u89c2\u70b9\u548c\u6280\u672f<\/h2>\n<p>\u968f\u7740 IPv6 \u7684\u91c7\u7528\u7387\u4e0d\u65ad\u589e\u957f\uff0c\u5bf9 NAT \u7a7f\u8d8a\u7684\u9700\u6c42\u5c06\u4f1a\u51cf\u5c11\uff0c\u56e0\u4e3a IPv6 \u63d0\u4f9b\u4e86\u5de8\u5927\u7684\u5730\u5740\u7a7a\u95f4\uff0c\u53ef\u4ee5\u5bb9\u7eb3\u6240\u6709\u8fde\u63a5\u7684\u8bbe\u5907\u3002\u7136\u800c\uff0c\u5728\u4ece IPv4 \u5230 IPv6 \u7684\u8fc7\u6e21\u671f\u95f4\uff0cNAT \u7a7f\u8d8a\u5bf9\u4e8e\u786e\u4fdd\u4e24\u79cd\u5bfb\u5740\u65b9\u6848\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u4ecd\u7136\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5982\u4f55\u5c06\u4ee3\u7406\u670d\u52a1\u5668\u4e0e NAT \u7a7f\u8d8a\u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\u5728 NAT \u7a7f\u8d8a\u4e2d\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u5b83\u53ef\u4ee5\u5145\u5f53 NAT \u540e\u9762\u8bbe\u5907\u4e4b\u95f4\u901a\u4fe1\u7684\u4e2d\u4ecb\u3002\u5f53\u65e0\u6cd5\u76f4\u63a5\u901a\u4fe1\u65f6\uff0c\u8bbe\u5907\u53ef\u4ee5\u8fde\u63a5\u5230\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5728\u5b83\u4eec\u4e4b\u95f4\u4e2d\u7ee7\u6570\u636e\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u6210\u529f\u3002<\/p>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<p>\u6709\u5173 NAT \u7a7f\u8d8a\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u63a2\u7d22\u4ee5\u4e0b\u8d44\u6e90\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc5389\" target=\"_new\" rel=\"noopener nofollow\">RFC 5389 \u2013 STUN \u534f\u8bae<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc5766\" target=\"_new\" rel=\"noopener nofollow\">RFC 5766 \u2013 TURN \u534f\u8bae<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc8445\" target=\"_new\" rel=\"noopener nofollow\">RFC 8445 \u2013 ICE\uff1a\u4ea4\u4e92\u5f0f\u8fde\u63a5\u5efa\u7acb<\/a><\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5229\u7528 NAT \u7a7f\u8d8a\u6280\u672f\uff0c\u73b0\u4ee3\u7f51\u7edc\u53ef\u4ee5\u4fc3\u8fdb\u65e0\u7f1d\u901a\u4fe1\u3001\u589e\u5f3a\u7528\u6237\u4f53\u9a8c\u5e76\u652f\u6301\u4f9d\u8d56\u4e8e\u76f4\u63a5\u70b9\u5bf9\u70b9\u8fde\u63a5\u7684\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>","protected":false},"featured_media":478099,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478098","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>NAT Traversal: Exploring the Secrets of Seamless Communication<\/mark>","faq_items":[{"question":"What is NAT traversal, and why is it important?","answer":"<p>NAT traversal, also known as Network Address Translation traversal, is a technology that allows devices located behind different NATs to communicate with each other. It is essential because NATs are commonly used to conserve IPv4 addresses, making direct communication between devices behind different NATs difficult. NAT traversal techniques enable seamless data transmission and enhance connectivity in modern networks.<\/p>"},{"question":"How did NAT traversal originate, and when was it first mentioned?","answer":"<p>The concept of NAT traversal emerged in the late 1990s due to the widespread adoption of NATs caused by the exhaustion of IPv4 addresses. The first mention of NAT traversal can be traced back to the introduction of the STUN (Session Traversal Utilities for NAT) protocol in 1999. STUN servers allowed devices to discover their public IP addresses and traverse NATs using various network behaviors.<\/p>"},{"question":"What is the internal structure of NAT traversal, and how does it work?","answer":"<p>NAT traversal works by leveraging specific protocols and techniques to facilitate communication across NAT boundaries. The process involves address discovery, connectivity checks, and traversal methods. Devices query STUN servers to obtain their public IP and port information. Based on the results, they attempt direct peer-to-peer communication. If that's not possible, they fallback to relayed communication using TURN servers.<\/p>"},{"question":"What are the key features of NAT traversal?","answer":"<p>NAT traversal brings several essential features to network communication. It simplifies network configuration, improves connectivity by enabling direct communication, and enhances security by keeping internal IP addresses hidden behind NATs.<\/p>"},{"question":"What types of NAT traversal exist?","answer":"<p>Several NAT traversal methods exist to address different network scenarios. The main types include:<\/p><ul><li>STUN (Session Traversal Utilities for NAT): Identifies NAT type and obtains public IP\/port information.<\/li><li>TURN (Traversal Using Relays around NAT): Acts as a relay when direct communication is not possible.<\/li><li>ICE (Interactive Connectivity Establishment): Combines STUN and TURN for optimal connection path establishment.<\/li><\/ul>"},{"question":"How is NAT traversal used, and what problems does it solve?","answer":"<p>NAT traversal finds applications in various scenarios, such as VoIP, P2P file sharing, and online gaming. It solves challenges like symmetric NATs, firewall restrictions, and asymmetric routing by using TURN servers for relaying data and ICE for optimal path selection.<\/p>"},{"question":"How does NAT traversal compare to other similar terms?","answer":"<p>NAT traversal complements firewalls and proxy servers by enabling direct communication between devices behind NATs. While NATs translate private IP addresses to public ones, firewalls control network traffic, and proxy servers act as intermediaries for client-server communication.<\/p>"},{"question":"What are the future prospects of NAT traversal?","answer":"<p>As IPv6 adoption grows, the need for NAT traversal will diminish, as IPv6 provides a vast address space. However, during the transitional period from IPv4 to IPv6, NAT traversal will remain crucial to ensure compatibility between the two addressing schemes.<\/p>"},{"question":"How are proxy servers associated with NAT traversal?","answer":"<p>Proxy servers play a vital role in NAT traversal by acting as intermediaries for communication between devices behind NATs. When direct communication is not possible, devices can connect to a proxy server that relays data between them, ensuring successful data transmission.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478098\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/478099"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=478098"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}