{"id":6902,"date":"2025-01-13T05:01:08","date_gmt":"2025-01-13T05:01:08","guid":{"rendered":"https:\/\/howtogeek.blog\/zh\/?p=6902"},"modified":"2025-01-13T05:01:08","modified_gmt":"2025-01-13T05:01:08","slug":"enhancing-pc-security-does-a-vpn-really-protect-your-computer","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/zh\/enhancing-pc-security-does-a-vpn-really-protect-your-computer\/","title":{"rendered":"\u589e\u5f37 PC \u5b89\u5168\u6027\uff1aVPN \u771f\u7684\u80fd\u4fdd\u8b77\u60a8\u7684\u96fb\u8166\u55ce\uff1f"},"content":{"rendered":"<h2>\u4e86\u89e3 VPN\uff1a\u5b89\u5168\u6027\u3001\u52a0\u5bc6\u548c\u9650\u5236<\/h2>\n<h3>\u6982\u62ec<\/h3>\n<ul>\n<li>VPN \u5229\u7528 AES-256 \u52a0\u5bc6\u5efa\u7acb\u5b89\u5168\u96a7\u9053\uff0c\u6709\u6548\u4fdd\u8b77\u60a8\u7684\u8cc7\u6599\u514d\u65bc\u672a\u7d93\u6388\u6b0a\u7684\u5b58\u53d6\u3002<\/li>\n<li>\u9019\u4e9b\u5de5\u5177\u900f\u904e\u52a0\u5bc6\u60a8\u7684\u7db2\u8def\u6d41\u91cf\u548c\u5c01\u9396\u60a8\u7684 IP \u4f4d\u5740\u4f86\u9632\u7bc4 MITM \u653b\u64ca\u548c DNS \u6b3a\u9a19\u7b49\u7db2\u8def\u5a01\u8105\u3002<\/li>\n<li>\u70ba\u4e86\u78ba\u4fdd\u5f37\u5927\u7684\u7dda\u4e0a\u96b1\u79c1\uff0c\u9078\u64c7\u9075\u5b88\u56b4\u683c\u7121\u65e5\u8a8c\u653f\u7b56\u7684\u4fe1\u8b7d\u826f\u597d\u7684 VPN \u63d0\u4f9b\u8005\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<\/ul>\n<p>VPN \u64c1\u6709\u591a\u7a2e\u5b89\u5168\u529f\u80fd\uff0c\u4f46\u5b83\u5011\u5230\u5e95\u6709\u591a\u6709\u6548\uff1f\u5f9e\u52a0\u5bc6\u901a\u8a0a\u5230\u91dd\u5c0d\u99ed\u5ba2\u7684\u4fdd\u8b77\u63aa\u65bd\uff0c\u8b93\u6211\u5011\u5256\u6790\u5b83\u5011\u7684\u529f\u80fd\u548c\u9650\u5236\u3002<\/p>\n<h2 id=\"what-is-a-vpn\">\u4ec0\u9ebc\u662fVPN\uff1f<\/h2>\n<p>\u865b\u64ec\u79c1\u4eba\u7db2\u8def (VPN) \u662f\u4e00\u7a2e\u5f37\u5927\u7684\u5b89\u5168\u5de5\u5177\uff0c\u53ef\u5c0d\u60a8\u7684\u88dd\u7f6e\u548c\u7db2\u969b\u7db2\u8def\u4e4b\u9593\u4ea4\u63db\u7684\u8cc7\u6599\u9032\u884c\u52a0\u5bc6\u3002\u5b89\u5168\u7b49\u7d1a\u6df1\u53d7VPN\u63d0\u4f9b\u8005\u7684\u53ef\u4fe1\u5ea6\u3001\u5176\u670d\u52d9\u7684\u5be6\u65bd\u4ee5\u53ca\u60a8\u81ea\u5df1\u7684\u4f7f\u7528\u7fd2\u6163\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"what-is-encryption-and-how-secure-is-it\">\u4ec0\u9ebc\u662f\u52a0\u5bc6\uff0c\u5b83\u7684\u5b89\u5168\u6027\u5982\u4f55\uff1f<\/h2>\n<p>\u52a0\u5bc6\u5c07\u53ef\u8b80\u8cc7\u6599\uff08\u5982\u7d14\u6587\u5b57\uff09\u8f49\u63db\u70ba\u4e0d\u53ef\u8b80\u7684\u5f62\u5f0f\uff08\u7a31\u70ba\u5bc6\u6587\uff09\uff0c\u5f9e\u800c\u4fdd\u8b77\u654f\u611f\u8cc7\u8a0a\u514d\u906d\u672a\u7d93\u6388\u6b0a\u7684\u5b58\u53d6\u3002\u4f8b\u5982\uff0c\u300cpassword\u300d\u4e00\u8a5e\u7d93\u904e\u52a0\u5bc6\u6f14\u7b97\u6cd5\u7de8\u78bc\u5f8c\u53ef\u80fd\u6703\u8b8a\u6210\u300cwhzzdvyk\u300d\u3002<\/p>\n<p>\u6b64\u52a0\u5bc6\u904e\u7a0b\u6703\u5728\u60a8\u7684\u88dd\u7f6e\u548c VPN \u4f3a\u670d\u5668\u4e4b\u9593\u5efa\u7acb\u5b89\u5168\u96a7\u9053\uff0c\u5f9e\u800c\u5728\u60a8\u7684\u8cc7\u6599\u5728\u7db2\u969b\u7db2\u8def\u4e0a\u50b3\u8f38\u904e\u7a0b\u4e2d\u4fdd\u5b58\u8cc7\u6599\u3002\u7576\u88dd\u7f6e\u9023\u63a5\u5230 VPN \u6642\uff0c\u5b83\u6703\u4ea4\u63db\u52a0\u5bc6\u91d1\u9470\uff0c\u985e\u4f3c\u65bc\u4fdd\u8b77\u8cc7\u8a0a\u5b89\u5168\u7684\u5bc6\u78bc\u3002<\/p>\n<p>\u5927\u591a\u6578 VPN \u63a1\u7528 AES-256 \u52a0\u5bc6\u6a19\u6e96\uff0c\u8a72\u6a19\u6e96\u4ee5\u5176\u5728\u6b63\u78ba\u914d\u7f6e\u5f8c\u80fd\u5920\u62b5\u79a6\u99ed\u5ba2\u653b\u64ca\u800c\u805e\u540d\u3002\u76ee\u524d\uff0c\u5b83\u88ab\u8a8d\u70ba\u662f\u5728\u6578\u4f4d\u9818\u57df\u50b3\u64ad\u6642\u6df7\u6dc6\u5167\u5bb9\u7684\u53ef\u9760\u65b9\u6cd5\u3002\u7136\u800c\uff0c\u91cf\u5b50\u904b\u7b97\u7684\u9032\u6b65\u70ba\u52a0\u5bc6\u65b9\u6cd5\u5e36\u4f86\u4e86\u672a\u4f86\u7684\u6311\u6230\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u8868\u793a\u52a0\u5bc6\u7684\u96fb\u8def\u985e\u578b\u7d50\u69cb\u4e2d\u7684\u9396\" class=\"wp-image\" decoding=\"async\" height=\"816\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/4-a-lock-in-a-circuit-type-structure-representing-encryption.webp\" title=\"\u8868\u793a\u52a0\u5bc6\u7684\u96fb\u8def\u985e\u578b\u7d50\u69cb\u4e2d\u7684\u9396\" width=\"1456\"\/><figcaption>Dibakar Ghosh \/ \u6975\u5ba2\u6307\u5357 | Dibakar Ghosh\u4e2d\u9014<\/figcaption><\/figure>\n<p>\u5927\u591a\u6578\u8207 VPN \u76f8\u95dc\u7684\u5b89\u5168\u6f0f\u6d1e\u6e90\u81ea\u65bc\u4f7f\u7528\u8005\u932f\u8aa4\uff0c\u800c\u4e0d\u662f\u52a0\u5bc6\u904e\u7a0b\u4e2d\u7684\u7f3a\u9677\u3002\u56e0\u6b64\uff0c\u78ba\u4fdd DNS \u6d29\u6f0f\u4fdd\u8b77\u548c\u6b63\u78ba\u7684 VPN \u8a2d\u5b9a\u7b49\u529f\u80fd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"vpns-protect-against-mitm-attacks\">VPN \u5982\u4f55\u9632\u79a6 MITM \u653b\u64ca<\/h2>\n<p>VPN \u63d0\u4f9b\u4e86\u9632\u79a6\u4e2d\u9593\u4eba (MITM) \u653b\u64ca\u7684\u5821\u58d8\uff0c\u653b\u64ca\u8005\u6514\u622a\u5169\u65b9\u4e4b\u9593\u7684\u901a\u8a0a\u4ee5\u7aca\u807d\u3001\u4fee\u6539\u8cc7\u6599\u6216\u5c07\u4f7f\u7528\u8005\u91cd\u5b9a\u5411\u5230\u6709\u5bb3\u8cc7\u6e90\u3002\u6b64\u985e\u5a01\u8105\u901a\u5e38\u6e90\u81ea\u65bc\u65e8\u5728\u8a98\u9a19\u7528\u6236\u653e\u68c4\u6a5f\u5bc6\u8cc7\u8a0a\u7684\u7db2\u8def\u91e3\u9b5a\u5617\u8a66\u3002<\/p>\n<p>\u900f\u904e\u70ba\u7db2\u8def\u6d41\u91cf\u5efa\u7acb\u52a0\u5bc6\u96a7\u9053\uff0c\u4e26\u63a1\u7528\u56b4\u683c\u7684\u8eab\u4efd\u9a57\u8b49\u63aa\u65bd\uff0cVPN \u4f7f\u7db2\u8def\u72af\u7f6a\u5206\u5b50\u57f7\u884c MITM \u653b\u64ca\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\u3002\u5982\u679c\u653b\u64ca\u8005\u8a2d\u6cd5\u5728\u50b3\u8f38\u904e\u7a0b\u4e2d\u7be1\u6539\u4efb\u4f55\u6578\u64da\uff0c\u5c31\u6703\u7834\u58de\u52a0\u5bc6\uff0c\u4f7f\u8cc7\u8a0a\u7121\u6cd5\u8b80\u53d6\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u96d6\u7136 VPN \u63d0\u4f9b\u5f9e\u60a8\u7684\u88dd\u7f6e\u5230\u4f3a\u670d\u5668\u7684\u5f37\u5927\u4fdd\u8b77\uff0c\u4f46\u4e00\u65e6\u8cc7\u6599\u96e2\u958b VPN \u9598\u9053\u4e26\u524d\u5f80\u6700\u7d42\u76ee\u7684\u5730\uff0c\u8cc7\u6599\u4ecd\u7136\u53ef\u80fd\u6703\u66b4\u9732\u3002<\/p>\n<h2 id=\"vpns-protect-against-dns-spoofing-attacks\">VPN \u5982\u4f55\u9632\u79a6 DNS \u6b3a\u9a19<\/h2>\n<p>DNS \u6b3a\u9a19\u662f MITM \u653b\u64ca\u7684\u8b8a\u9ad4\uff0c\u99ed\u5ba2\u64cd\u7e31\u7db2\u57df\u540d\u7a31\u7cfb\u7d71 (DNS) \u5c07\u4f7f\u7528\u8005\u91cd\u65b0\u5c0e\u5411\u5230\u60e1\u610f\u7db2\u7ad9\u3002\u4ed6\u5011\u900f\u904e\u63d2\u5165\u865b\u5047\u7684 DNS \u689d\u76ee\u4f86\u5be6\u73fe\u9019\u4e00\u9ede\uff0c\u6b3a\u9a19\u7528\u6236\u8a8d\u70ba\u4ed6\u5011\u5728\u5408\u6cd5\u7db2\u7ad9\u4e0a\u3002<\/p>\n<p>\u4fe1\u8b7d\u826f\u597d\u7684 VPN \u53ef\u4ee5\u5229\u7528\u5176\u5b89\u5168\u7684 DNS \u4f3a\u670d\u5668\u7e5e\u904e\u53d7\u640d\u7684\u672c\u6a5f DNS \u4f3a\u670d\u5668\uff0c\u5f9e\u800c\u6709\u6548\u9632\u6b62 DNS \u6b3a\u9a19\u3002\u900f\u904e\u5c01\u9396\u60a8\u7684\u672c\u6a5f IP \u4f4d\u5740\uff0c\u9019\u4e9b VPN \u4e5f\u4f7f\u99ed\u5ba2\u7684\u653b\u64ca\u76ee\u6a19\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\u3002<\/p>\n<p>\u70ba\u4e86\u589e\u5f37\u60a8\u5c0d DNS \u6b3a\u9a19\u7684\u9632\u79a6\uff0c\u8acb\u9078\u64c7\u5177\u6709 DNS \u6d29\u6f0f\u4fdd\u8b77\u529f\u80fd\u7684 VPN\u3002\u6b64\u529f\u80fd\u53ef\u78ba\u4fdd\u60a8\u7684 DNS \u67e5\u8a62\u8207\u7db2\u969b\u7db2\u8def\u6d41\u91cf\u901a\u904e\u76f8\u540c\u7684\u52a0\u5bc6\u96a7\u9053\u3002\u8a31\u591a\u503c\u5f97\u4fe1\u8cf4\u7684 VPN \u751a\u81f3\u63d0\u4f9b\u7d42\u6b62\u958b\u95dc\uff0c\u5982\u679c VPN \u9023\u63a5\u65b7\u958b\uff0c\u5b83\u6703\u65b7\u958b\u60a8\u7684\u4e92\u806f\u7db2\uff0c\u5f9e\u800c\u9632\u6b62\u4efb\u4f55\u8cc7\u6599\u5916\u6d29\u3002<\/p>\n<p>\u4f7f\u7528 VPN \u9032\u884c DNS \u6b3a\u9a19\u4fdd\u8b77\u662f\u660e\u667a\u7684\uff0c\u4f46\u5c07\u6b64\u5b89\u5168\u63aa\u65bd\u8207\u5b9a\u671f\u8edf\u9ad4\u66f4\u65b0\u548c\u5065\u5168\u7684\u6574\u9ad4\u7db2\u8def\u5b89\u5168\u5be6\u8e10\u7d50\u5408\u8d77\u4f86\u4e5f\u662f\u660e\u667a\u7684\u3002<\/p>\n<h2 id=\"vpns-don-rsquo-t-stop-viruses-from-infecting-your-pc\">\u8aa4\u89e3\uff1aVPN \u4e0d\u80fd\u9632\u6b62\u75c5\u6bd2<\/h2>\n<p>\u5118\u7ba1 VPN \u63d0\u4f9b\u4e86\u591a\u7a2e\u91dd\u5c0d\u7db2\u8def\u5a01\u8105\u7684\u4fdd\u8b77\u63aa\u65bd\uff0c\u4f46\u5b83\u5011\u4e26\u4e0d\u662f\u842c\u80fd\u7684\u3002\u5b83\u5011\u4e3b\u8981\u5c08\u6ce8\u65bc\u4fdd\u8b77\u7db2\u8def\u6d41\u91cf\u548c\u5c01\u9396 IP \u4f4d\u5740\uff0c\u9019\u610f\u5473\u8457\u5b83\u5011\u4e0d\u6703\u76f4\u63a5\u4fdd\u8b77\u60a8\u7684\u96fb\u8166\u514d\u53d7\u75c5\u6bd2\u6216\u60e1\u610f\u8edf\u9ad4\u7684\u4fb5\u5bb3\u3002<\/p>\n<p>VPN \u7121\u6cd5\u9632\u6b62\u60e1\u610f\u8edf\u9ad4\u611f\u67d3\u6216\u6d88\u9664\u88dd\u7f6e\u4e0a\u7684\u73fe\u6709\u5a01\u8105\u3002\u5b83\u5011\u4e5f\u7f3a\u4e4f\u6aa2\u6e2c\u60e1\u610f\u5167\u5bb9\u6216\u9632\u6b62\u5f9e\u6709\u5bb3\u7db2\u7ad9\u610f\u5916\u4e0b\u8f09\u7684\u80fd\u529b\u3002\u4f7f\u7528\u53ef\u9760\u7684\u9632\u6bd2\u8edf\u9ad4\u5c0d\u65bc\u9632\u79a6\u9019\u4e9b\u5a01\u8105\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u5468\u570d\u6709\u5371\u96aa\u5716\u6a19\u548c\u75c5\u6bd2\u7684\u7b46\u8a18\u578b\u96fb\u8166\u7684\u63d2\u5716\" class=\"wp-image\" decoding=\"async\" height=\"1600\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/illustration-of-a-laptop-with-some-warnings-danger-icons-viruses-around-and-some-indications-that-they-are-fake.webp\" title=\"\u5468\u570d\u6709\u5371\u96aa\u5716\u6a19\u548c\u75c5\u6bd2\u7684\u7b46\u8a18\u578b\u96fb\u8166\u7684\u63d2\u5716\" width=\"2400\"\/><figcaption>Lucas Gouveia \/ \u6975\u5ba2\u6307\u5357 | Lucas Gouveia\u77e2\u91cf\u82b1\u82b1\u516c\u5b50\/ <a href=\"https:\/\/www.shutterstock.com\/image-vector\/problem-laptop-virus-attention-broken-computer-1081058048\" rel=\"noreferrer noopener\" target=\"_blank\">Shutterstock<\/a><\/figcaption><\/figure>\n<p>\u5c07 VPN \u7d0d\u5165\u88dd\u7f6e\u7684\u5b89\u5168\u7b56\u7565\u53ea\u662f\u5168\u9762\u7db2\u8def\u5b89\u5168\u7684\u4e00\u65b9\u9762\u3002\u59cb\u7d42\u4fdd\u6301\u8edf\u9ad4\u66f4\u65b0\uff0c\u4f7f\u7528\u5177\u6709\u591a\u91cd\u8eab\u4efd\u9a57\u8b49\u7684\u5f37\u5bc6\u78bc\uff0c\u4e26\u5c0d\u7db2\u8def\u91e3\u9b5a\u7b49\u793e\u6703\u5de5\u7a0b\u7b56\u7565\u4fdd\u6301\u8b66\u60d5\u3002<\/p>\n<h2 id=\"you-need-trust-in-your-vpn-provider\">\u4fe1\u4efb VPN \u63d0\u4f9b\u8005\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u9078\u64c7\u503c\u5f97\u4fe1\u8cf4\u7684 VPN \u63d0\u4f9b\u8005\u81f3\u95dc\u91cd\u8981\uff0c\u56e0\u70ba\u4ed6\u5011\u5c07\u6709\u6b0a\u5b58\u53d6\u654f\u611f\u6578\u64da\uff0c\u4f8b\u5982\u60a8\u7684\u500b\u4eba\u8cc7\u8a0a\u548c\u700f\u89bd\u7fd2\u6163\u3002\u9078\u64c7\u5177\u6709 AES-256 \u52a0\u5bc6\u529f\u80fd\u4e26\u7d93\u904e\u53ef\u9760\u7b2c\u4e09\u65b9\u7368\u7acb\u8a55\u4f30\u7684 VPN\u3002\u53ef\u9760\u7684 VPN \u9084\u61c9\u5305\u62ec\u7d42\u6b62\u958b\u95dc\u529f\u80fd\uff0c\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/p>\n<p>\u5c0b\u627e\u63d0\u4f9b\u533f\u540d\u652f\u4ed8\u9078\u9805\uff08\u4f8b\u5982\u6bd4\u7279\u5e63\uff09\u7684\u4f9b\u61c9\u5546\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u8868\u660e\u5c0d\u7528\u6236\u96b1\u79c1\u7684\u66f4\u5f37\u6709\u529b\u7684\u627f\u8afe\u3002\u4f46\u662f\uff0c\u8acb\u8a18\u4f4f\uff0c\u50c5\u6b64\u4e26\u4e0d\u80fd\u4fdd\u8b49\u4ed6\u5011\u4e0d\u6703\u932f\u8aa4\u8655\u7406\u60a8\u7684\u8cc7\u6599\u3002<\/p>\n<p>\u6700\u597d\u7684 VPN \u670d\u52d9\u52aa\u529b\u5be6\u65bd\u5f37\u5927\u7684\u7121\u65e5\u8a8c\u653f\u7b56\uff0c\u5982\u679c\u57f7\u884c\u5f97\u7576\uff0c\u4e0d\u61c9\u4fdd\u7559\u4f7f\u7528\u8005\u7684\u8b58\u5225\u8cc7\u8a0a\u3002\u6700\u6709\u4fe1\u8b7d\u7684\u670d\u52d9\u5c07\u6700\u5927\u9650\u5ea6\u5730\u6e1b\u5c11\u50c5\u8a18\u9304\u57fa\u672c\u6578\u64da\uff0c\u4f8b\u5982\u4f3a\u670d\u5668\u6548\u80fd\u6307\u6a19\uff0c\u800c\u6709\u4e9b\u670d\u52d9\u5247\u9078\u64c7\u5b8c\u5168\u4e0d\u8a18\u9304\u9023\u63a5\u6642\u9593\u548c\u4f4d\u7f6e\u4e4b\u5916\u7684\u4efb\u4f55\u5167\u5bb9\u3002<\/p>\n<h2 id=\"vpns-can-slow-down-your-internet-connection\">\u4e86\u89e3 VPN \u5c0d\u7db2\u8def\u901f\u5ea6\u7684\u5f71\u97ff<\/h2>\n<p>VPN \u964d\u4f4e\u7db2\u8def\u9023\u7dda\u901f\u5ea6\u7684\u60c5\u6cc1\u5f88\u5e38\u898b\u3002\u7136\u800c\uff0c\u9019\u7a2e\u653e\u7de9\u7684\u7a0b\u5ea6\u6839\u64da VPN \u670d\u52d9\u7684\u54c1\u8cea\u800c\u6709\u5f88\u5927\u5dee\u7570\u3002\u5c0d\u65bc\u4fe1\u8b7d\u826f\u597d\u7684 VPN\uff0c\u901f\u5ea6\u964d\u4f4e\u5f80\u5f80\u5f88\u5c0f\uff0c\u4f46\u9019\u662f\u4e00\u500b\u9700\u8981\u8003\u616e\u7684\u95dc\u9375\u56e0\u7d20\uff0c\u7279\u5225\u662f\u5982\u679c\u60a8\u512a\u5148\u8003\u616e\u9ad8\u901f\u7db2\u8def\u3002<\/p>\n<p>\u4f7f\u7528 VPN \u6642\uff0c\u6709\u5e7e\u500b\u56e0\u7d20\u6703\u5c0e\u81f4\u7db2\u8def\u901f\u5ea6\u6ce2\u52d5\u3002\u52a0\u5bc6\u548c\u89e3\u5bc6\u904e\u7a0b\u6703\u6d88\u8017\u983b\u5bec\u548c\u8655\u7406\u80fd\u529b\uff0c\u5f9e\u800c\u7522\u751f\u6240\u8b02\u7684\u300c\u52a0\u5bc6\u958b\u92b7\u300d\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9047\u5230\u4f86\u81ea Internet \u670d\u52d9\u63d0\u4f9b\u8005 (ISP) \u7684\u9650\u5236\uff0cVPN \u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u5f88\u6709\u7528\uff0c\u7279\u5225\u662f\u57fa\u65bc\u7279\u5b9a\u5354\u5b9a\u7684\u9650\u5236\u3002<\/p>\n<p>\u7e3d\u4e4b\uff0c\u96d6\u7136 VPN \u53ef\u4ee5\u986f\u8457\u589e\u5f37\u60a8\u7684\u7dda\u4e0a\u5b89\u5168\uff0c\u4f46\u5b83\u5011\u53ea\u662f\u6709\u6548\u7db2\u8def\u5b89\u5168\u7b56\u7565\u7684\u4e00\u90e8\u5206\u3002\u4f7f\u7528\u7db2\u8def\u6642\u8981\u4fdd\u6301\u52e4\u596e\u3002<\/p>\n<h3>\u984d\u5916\u7684\u898b\u89e3<\/h3>\n<h4><strong>1. VPN \u5982\u4f55\u589e\u5f37\u7dda\u4e0a\u96b1\u79c1\uff1f<\/strong><\/h4>\n<p>VPN \u900f\u904e\u52a0\u5bc6\u60a8\u7684\u7db2\u8def\u6d41\u91cf\u548c\u5c01\u9396\u60a8\u7684 IP \u4f4d\u5740\u4f86\u589e\u5f37\u7dda\u4e0a\u96b1\u79c1\uff0c\u4f7f\u7b2c\u4e09\u65b9\u96e3\u4ee5\u76e3\u63a7\u60a8\u7684\u7dda\u4e0a\u6d3b\u52d5\u3002<\/p>\n<h4><strong>2. VPN \u80fd\u5426\u9632\u6b62\u8cc7\u6599\u5916\u6d29\uff1f<\/strong><\/h4>\n<p>\u96d6\u7136 VPN \u53ef\u4ee5\u4fdd\u8b77\u50b3\u8f38\u4e2d\u7684\u6578\u64da\uff0c\u4f46\u5b83\u4e26\u4e0d\u80fd\u5b8c\u5168\u9632\u6b62\u8cc7\u6599\u6d29\u9732\uff0c\u5c24\u5176\u662f\u5728 VPN \u7db2\u95dc\u4e4b\u5f8c\u7684\u4f3a\u670d\u5668\u4e0a\u767c\u751f\u7684\u8cc7\u6599\u5916\u6d29\u3002\u5c07 VPN \u4fdd\u8b77\u8207\u5176\u4ed6\u7db2\u8def\u5b89\u5168\u63aa\u65bd\u7d50\u5408\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h4><strong>3. \u4f7f\u7528\u514d\u8cbbVPN\u670d\u52d9\u5b89\u5168\u55ce\uff1f<\/strong><\/h4>\n<p>\u514d\u8cbb VPN \u670d\u52d9\u53ef\u80fd\u6703\u900f\u904e\u53ef\u7591\u7684\u505a\u6cd5\uff08\u4f8b\u5982\u51fa\u552e\u60a8\u7684\u8cc7\u6599\uff09\u640d\u5bb3\u60a8\u7684\u5b89\u5168\u548c\u96b1\u79c1\u3002\u5efa\u8b70\u6295\u8cc7\u4fe1\u8b7d\u826f\u597d\u7684\u4ed8\u8cbb VPN \u670d\u52d9\u4ee5\u7372\u5f97\u6700\u4f73\u4fdd\u8b77\u3002<\/p>\n<p><a class=\"xiaomi\" href=\"https:\/\/www.howtogeek.com\/does-a-vpn-actually-make-your-pc-more-secure\/\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u4f86\u6e90\u548c\u5716\u7247<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 VPN\uff1a\u5b89\u5168\u6027\u3001\u52a0\u5bc6\u548c\u9650\u5236 \u6982\u62ec VPN \u5229\u7528 AES-256 \u52a0\u5bc6\u5efa\u7acb\u5b89\u5168\u96a7\u9053\uff0c\u6709\u6548\u4fdd\u8b77\u60a8\u7684\u8cc7\u6599\u514d\u65bc\u672a\u7d93\u6388\u6b0a\u7684\u5b58\u53d6\u3002 \u9019\u4e9b\u5de5\u5177\u900f\u904e\u52a0\u5bc6\u60a8\u7684\u7db2\u8def\u6d41\u91cf\u548c\u5c01\u9396\u60a8\u7684 IP \u4f4d\u5740\u4f86\u9632\u7bc4 MITM \u653b\u64ca\u548c DNS \u6b3a\u9a19\u7b49\u7db2\u8def\u5a01\u8105\u3002 \u70ba\u4e86\u78ba\u4fdd\u5f37\u5927\u7684\u7dda\u4e0a\u96b1\u79c1\uff0c\u9078\u64c7\u9075\u5b88\u56b4\u683c\u7121\u65e5\u8a8c\u653f\u7b56\u7684\u4fe1\u8b7d\u826f\u597d\u7684 VPN \u63d0\u4f9b\u8005\u81f3\u95dc\u91cd\u8981\u3002 VPN \u64c1\u6709\u591a\u7a2e\u5b89\u5168\u529f\u80fd\uff0c\u4f46\u5b83\u5011\u5230\u5e95\u6709\u591a\u6709\u6548\uff1f\u5f9e\u52a0\u5bc6\u901a\u8a0a\u5230\u91dd\u5c0d\u99ed\u5ba2\u7684\u4fdd\u8b77\u63aa\u65bd\uff0c\u8b93\u6211\u5011\u5256\u6790\u5b83\u5011\u7684\u529f\u80fd\u548c\u9650\u5236\u3002 \u4ec0\u9ebc\u662fVPN\uff1f \u865b\u64ec\u79c1\u4eba\u7db2\u8def (VPN) \u662f\u4e00\u7a2e\u5f37\u5927\u7684\u5b89\u5168\u5de5\u5177\uff0c\u53ef\u5c0d\u60a8\u7684\u88dd\u7f6e\u548c\u7db2\u969b\u7db2\u8def\u4e4b\u9593\u4ea4\u63db\u7684\u8cc7\u6599\u9032\u884c\u52a0\u5bc6\u3002\u5b89\u5168\u7b49\u7d1a\u6df1\u53d7VPN\u63d0\u4f9b\u8005\u7684\u53ef\u4fe1\u5ea6\u3001\u5176\u670d\u52d9\u7684\u5be6\u65bd\u4ee5\u53ca\u60a8\u81ea\u5df1\u7684\u4f7f\u7528\u7fd2\u6163\u7684\u5f71\u97ff\u3002 \u4ec0\u9ebc\u662f\u52a0\u5bc6\uff0c\u5b83\u7684\u5b89\u5168\u6027\u5982\u4f55\uff1f 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