{"id":2035,"date":"2019-10-14T21:46:53","date_gmt":"2019-10-14T13:46:53","guid":{"rendered":"https:\/\/blog.pfchina.org\/?p=2035"},"modified":"2020-08-24T21:40:27","modified_gmt":"2020-08-24T13:40:27","slug":"%e5%9c%a8pfsense%e4%b8%ad%e9%85%8d%e7%bd%aedns","status":"publish","type":"post","link":"https:\/\/blog.pfchina.org\/?p=2035","title":{"rendered":"pfSense\u914d\u7f6eDNS\u6559\u7a0b"},"content":{"rendered":"<p style=\"text-align: justify;\">\u4f60\u53ef\u80fd\u6c38\u8fdc\u6ca1\u6709\u673a\u4f1a\u8bbe\u7f6e\u81ea\u5df1\u7684DNS\u670d\u52a1\u5668\uff0c\u4f46\u662f\u62e5\u6709\u81ea\u5df1\u7684DNS\u670d\u52a1\u5668\u53ef\u4ee5\u51cf\u5c11\u7ba1\u7406\u5f00\u9500\u5e76\u63d0\u9ad8DNS\u67e5\u8be2\u7684\u901f\u5ea6\uff0c\u5c24\u5176\u662f\u968f\u7740\u7f51\u7edc\u7684\u589e\u957f\u3002<\/p>\n<p>pfSense\u6709\u4e24\u4e2a\u5355\u72ec\u7684DNS\u670d\u52a1\u3002\u57282.2\u7248\u4e4b\u524d\uff0cDNS\u670d\u52a1\u53ef\u901a\u8fc7DNS\u8f6c\u53d1\u5668\u6765\u914d\u7f6e\uff0c\u5b83\u8c03\u7528dnsmasq\u7a0b\u5e8f\u3002\u5bf9\u4e8e2.2\u53ca\u66f4\u9ad8\u7248\u672c\uff0c\u201c Unbound\u201d\u662f\u9ed8\u8ba4\u7684DNS\u89e3\u6790\u5668\uff0c\u53ef\u4ee5\u5bfc\u822a\u5230\u7cfb\u7edf\u670d\u52a1&gt;DNS\u89e3\u6790\u5668\u6765\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n<p>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u65b0\u5b89\u88c5\u7684pfSesne2.2\u6216\u66f4\u9ad8\u7248\u672c\u7684DNS\u89e3\u6790\u5668\u5df2\u9ed8\u8ba4\u4e3a\u542f\u7528\u72b6\u6001\uff0c\u800c\u4ece\u8f83\u65e9\u7248\u672c\u8fdb\u884c\u5347\u7ea7\u5c06\u9ed8\u8ba4\u542f\u7528DNS\u8f6c\u53d1\u5668\u00a0\u3002\u867d\u7136\u53ef\u4ee5\u5728\u8f83\u65b0\u7684\u7248\u672c\u4e0a\u4f7f\u7528DNS\u8f6c\u53d1\u5668\u00a0\uff0c\u4f46\u5982\u679c\u8fd9\u6837\u505a\uff0c\u5219\u5fc5\u987b\u7981\u7528 DNS\u89e3\u6790\u5668\u6216\u66f4\u6539\u5176\u7aef\u53e3\u8bbe\u7f6e\u3002\u56e0\u4e3a\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cDNS\u8f6c\u53d1\u5668\u548cDNS\u89e3\u6790\u5668\u90fd\u7ed1\u5b9a\u5230\u7aef\u53e353\uff0c\u4f46\u662f\u4e24\u4e2a\u670d\u52a1\u4e0d\u80fd\u90fd\u7ed1\u5b9a\u5230\u540c\u4e00\u7aef\u53e3\u3002<\/p>\n<h1>\u4e00\u3001DNS\u89e3\u6790\u5668\u914d\u7f6e<\/h1>\n<p><a href=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS19.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2092 size-full\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS19.png\" alt=\"\" width=\"1138\" height=\"766\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS19.png 1138w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS19-1024x689.png 1024w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS19-300x202.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS19-768x517.png 768w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS19-446x300.png 446w\" sizes=\"auto, (max-width: 1138px) 100vw, 1138px\" \/><\/a><\/p>\n<p>\u5e38\u89c4\u8bbe\u7f6e\u7684\u7b2c\u4e00\u4e2a\u9009\u9879\u662f\u9009\u62e9\u662f\u5426\u542f\u7528\uff0c\u5982\u679c\u542f\u7528\uff0c\u5b83\u5c06\u542f\u7528unbound\uff0c\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e00\u822c\u4e3a\u9009\u4e2d\u72b6\u6001\u3002<\/p>\n<p>\u76d1\u542c\u7aef\u53e3\uff0c\u5b83\u5141\u8bb8\u4f60\u8bbe\u7f6e\u7528\u4e8e\u54cd\u5e94DNS\u67e5\u8be2\u7684\u7aef\u53e3\u3002\u9ed8\u8ba4\u4e3a\u7aef\u53e353\u3002DNS\u901a\u5e38\u4f7f\u7528\u7aef\u53e353\u548cUDP\uff0c\u5c3d\u7ba1DNS\u8fd8\u5c06TCP\u7528\u4e8e\u5927\u4e8e\u6570\u636e\u62a5\u7684\u54cd\u5e94\uff0c\u5305\u62ecDNSSEC\u548c\u67d0\u4e9bIPv6\u67e5\u627e\u3002\u56e0\u6b64\uff0c\u5728\u4e3aDNS\u521b\u5efa\u9632\u706b\u5899\u89c4\u5219\u65f6\u8981\u8003\u8651\u5230\u8fd9\u4e00\u70b9\u3002<\/p>\n<p>S\u200b\u200bSL \/ TL\u670d\u52a1\uff0c\u5982\u679c\u542f\u7528\uff0c\u5b83\u5c06\u5141\u8bb8DNS\u89e3\u6790\u5668\u901a\u8fc7TLS\u67e5\u8be2\u6765\u54cd\u5e94DNS\uff0c\u4ece\u800c\u4f7f\u5ba2\u6237\u7aef\u66f4\u4e0d\u5bb9\u6613\u53d7\u5230DNS\u6b3a\u9a97\u7684\u653b\u51fb\u3002\u5728\u00a0\u00a0SSL \/ TLS\u8bc1\u4e66\u4e0b\u62c9\u6846\uff0c\u4f60\u53ef\u4ee5\u9009\u62e9\u67e5\u8be2\u4e2d\u4f7f\u7528\u7684\u8bc1\u4e66\u3002\u57fa\u4e8eTLS\u7684DNS\u7684\u9ed8\u8ba4\u7aef\u53e3\u662f853\uff0c\u4f46\u662f\u4f60\u53ef\u4ee5\u901a\u8fc7\u5728\u201c SSL \/ TLS\u4fa6\u542c\u7aef\u53e3\u201d\u680f\u4e2d\u8f93\u5165\u5176\u4ed6\u7aef\u53e3\u53f7\u6765\u66f4\u6539\u6b64\u7aef\u53e3\u00a0\u00a0\u3002<\/p>\n<p>\u7f51\u7edc\u63a5\u53e3\uff0c\u5141\u8bb8\u4f60\u9009\u62e9unbound\u4f7f\u7528\u54ea\u4e9b\u63a5\u53e3\u6765\u54cd\u5e94\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u67e5\u8be2\u3002\u672a\u9009\u4e2d\u7684\u63a5\u53e3\u67e5\u8be2\u5c06\u88ab\u4e22\u5f03\u3002\u4f46\u662f\uff0c\u5982\u679c\u542f\u7528\u4e86unbound\uff0c\u5219\u5fc5\u987b\u4e3a\u6b64\u9009\u9879\u9009\u62e9All\u6216 localhost\u3002<\/p>\n<p>\u51fa\u7ad9\u7f51\u7edc\u63a5\u53e3\uff0c\u5141\u8bb8\u4f60\u9009\u62e9DNS\u89e3\u6790\u5668\u53ef\u7528\u4e8e\u5c06\u67e5\u8be2\u53d1\u9001\u5230\u6743\u5a01\u670d\u52a1\u5668\u5e76\u63a5\u6536\u5176\u7b54\u590d\u7684\u7f51\u7edc\u63a5\u53e3\u3002<\/p>\n<p>\u5982\u679c\u672c\u5730\u6570\u636e\u4e2d\u6ca1\u6709\u57df\u5339\u914d\u9879\uff0c\u5219\u201c\u7cfb\u7edf\u57df\u672c\u5730\u533a\u57df\u7c7b\u578b\u201d\u5c06\u786e\u5b9aDNS\u89e3\u6790\u5668\u5982\u4f55\u5904\u7406\u67e5\u8be2\u3002\u6b64\u4e0b\u62c9\u6846\u4e2d\u6709\u51e0\u4e2a\u53ef\u7528\u9009\u9879\uff1a<\/p>\n<ul style=\"text-align: justify;\">\n<li>Deny\uff1a\u5982\u679c\u672c\u5730\u6570\u636e\u4e2d\u5b58\u5728\u5339\u914d\u9879\uff0c\u5219DNS\u89e3\u6790\u5668\u5c06\u4ec5\u56de\u7b54\u67e5\u8be2\u3002\u5982\u679c\u6ca1\u6709\u5339\u914d\u9879\uff0c\u67e5\u8be2\u5c06\u88ab\u9759\u9ed8\u5220\u9664\u3002<\/li>\n<li>Refuse\uff1a\u6b64\u9009\u9879\u4e0e\u201cDeny\u201d\u7c7b\u4f3c\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\uff0c\u5f53\u672c\u5730\u6570\u636e\u4e0d\u5339\u914d\u65f6\uff0c\u5c06\u8fd4\u56dercode REFUSED\uff0c\u56e0\u6b64\u5ba2\u6237\u7aef\u77e5\u9053\u67e5\u8be2\u88ab\u62d2\u7edd\u3002<\/li>\n<li>Static\uff1aDNS\u89e3\u6790\u5668\u5728\u672c\u5730\u6570\u636e\u4e2d\u67e5\u627e\u5339\u914d\u9879\u3002\u5982\u679c\u6ca1\u6709\u5339\u914d\u9879\uff0c\u5219\u4e0d\u8fd4\u56de\u4efb\u4f55\u6570\u636e\u6216nxdomain\uff0c\u4f46\u5982\u679c\u672c\u5730\u6570\u636e\u4e2d\u5b58\u5728\u6b64\u7c7b\u4fe1\u606f\uff0c\u5b83\u5c06\u8fd4\u56de\u6839\u57df\u7684\u6388\u6743\u5f00\u59cb\uff08SOA\uff09\u3002<\/li>\n<li>Transparent\uff1a \u5982\u679c\u5b58\u5728\u5339\u914d\u9879\uff0c\u5219DNS\u89e3\u6790\u5668\u5c06\u4ece\u672c\u5730\u6570\u636e\u4e2d\u56de\u7b54\u67e5\u8be2\u3002\u5982\u679c\u672c\u5730\u6570\u636e\u4e0d\u5339\u914d\uff0c\u5219\u67e5\u8be2\u5c06\u4f20\u9012\u5230\u4e0a\u6e38DNS\u670d\u52a1\u5668\u3002\u5982\u679c\u672c\u5730\u6570\u636e\u4e2d\u5b58\u5728\u5339\u914d\u9879\uff0c\u4f46\u662f\u672c\u5730\u6570\u636e\u4e2d\u4e0d\u5b58\u5728\u8981\u67e5\u8be2\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5219DNS\u89e3\u6790\u5668\u5c06\u8fd4\u56de\u6ca1\u6709\u9519\u8bef\/\u6ca1\u6709\u6570\u636e\u6d88\u606f\u3002<\/li>\n<li>Type transparent\uff1a\u6b64\u9009\u9879\u7c7b\u4f3c\u4e8eTransparent\uff0c\u4f46\u662f\u5728\u672c\u5730\u6570\u636e\u5339\u914d\u4f46\u4e0d\u5b58\u5728\u8981\u67e5\u8be2\u7684\u6570\u636e\u7c7b\u578b\u7684\u60c5\u51b5\u4e0b\uff0cDNS\u89e3\u6790\u5668\u4f1a\u5c06\u67e5\u8be2\u4f20\u9012\u7ed9\u4e0a\u6e38DNS\u670d\u52a1\u5668\u3002<\/li>\n<li>Redirect\uff1a DNS\u89e3\u6790\u5668\u5c06\u5c1d\u8bd5\u4ece\u672c\u5730\u6570\u636e\u56de\u7b54\u67e5\u8be2\u3002\u5982\u679c\u9664\u533a\u57df\u540d\u79f0\u5916\u6ca1\u6709\u5176\u4ed6\u672c\u5730\u6570\u636e\uff0c\u5219\u5c06\u91cd\u5b9a\u5411\u67e5\u8be2\u3002<\/li>\n<li>Inform\uff1a\u4e0eTransparent\u76f8\u540c\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\uff0c\u8fd8\u5c06\u8bb0\u5f55\u5ba2\u6237\u7aefIP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002<\/li>\n<li>Inform \/ Deny\uff1a\u4e0eDeny\u76f8\u540c\uff0c\u9664\u4e86\u67e5\u8be2\u5c06\u88ab\u8bb0\u5f55\u3002<\/li>\n<li>No default\uff1a\u67e5\u8be2\u4e0d\u4f1a\u8fd4\u56deAS112\u533a\u57df\u7684\u9ed8\u8ba4\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">\u542f\u7528DNSSEC\u652f\u6301\uff0c\u9ed8\u8ba4\u4e3a\u542f\u7528\u3002DNSSEC\u662f\u4e00\u79cd\u4fdd\u62a4DNS\u6570\u636e\u514d\u53d7\u4f7f\u7528\u4f2a\u9020\u6216\u64cd\u7eb5\u7684DNS\u6570\u636e\u7684\u653b\u51fb\uff08\u4f8b\u5982DNS\u7f13\u5b58\u4e2d\u6bd2\uff09\u7684\u624b\u6bb5\u3002\u5728\u542f\u7528\u72b6\u6001\u4e0b\uff0c\u5982\u679cDNS\u8bf7\u6c42\u8f6c\u53d1\u5230\u7684\u4e0a\u6e38DNS\u670d\u52a1\u5668\u4e0d\u652f\u6301DNSSEC\uff0c\u5219DNS\u89e3\u6790\u53ef\u80fd\u4e0d\u8d77\u4f5c\u7528\u3002<\/p>\n<p>\u542f\u7528\u8f6c\u53d1\u6a21\u5f0f\uff0c\u53ef\u4ee5\u63a7\u5236unbound\u662f\u5426\u76f4\u63a5\u67e5\u8be2\u6839\u670d\u52a1\u5668\uff08\u5982\u679c\u672a\u9009\u4e2d\u6b64\u9009\u9879\uff09\u6216\u662f\u5426\u5c06\u67e5\u8be2\u8f6c\u53d1\u5230\u4e0a\u6e38DNS\u670d\u52a1\u5668\u3002\u4ec5\u5f53\u4e0a\u6e38DNS\u670d\u52a1\u5668\u53d7\u4fe1\u4efb\u65f6\uff0c\u624d\u542f\u7528\u6b64\u9009\u9879\u3002\u5982\u679c\u542f\u7528\u4e86DNSSEC\u652f\u6301\uff0c\u5e76\u4e14\u8ba4\u4e3a\u8fd9\u5f88\u91cd\u8981\uff0c\u5219\u8fd8\u5e94\u786e\u4fdd\u4e0a\u6e38DNS\u670d\u52a1\u5668\u63d0\u4f9bDNSSEC\u652f\u6301\u3002<\/p>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u6ca1\u6709\u9ed8\u8ba4\u7f51\u5173\u5207\u6362\u7684\u591aWAN\u914d\u7f6e\uff0c\u5219\u5fc5\u987b\u4f7f\u7528\u8f6c\u53d1\u6a21\u5f0f\u3002<\/p>\n<p>\u5728DNS\u89e3\u6790\u5668\u4e2d\u6ce8\u518cDHCP\u79df\u7ea6\uff0c\u00a0\u53ef\u8ba9\u4f60\u6ce8\u518cDHCP\u9759\u6001\u6620\u5c04\u3002\u53cd\u8fc7\u6765\uff0c\u8fd9\u53ef\u4ee5\u89e3\u6790\u7531DHCP\u670d\u52a1\u5668\u5206\u914d\u7684IP\u5730\u5740\u7684\u4e3b\u673a\u540d\u3002<\/p>\n<p>\u5728DNS\u89e3\u6790\u5668\u4e2d\u6ce8\u518cDHCP\u9759\u6001\u6620\u5c04\uff0c\u7c7b\u4f3c\u4e8e\u201c\u6ce8\u518cDHCP\u79df\u7ea6\u201d \u7684DNS\u89e3\u6790\u5668\uff0c\u9664\u4e86\u524d\u8005\u5141\u8bb8\u4f60\u6ce8\u518cDHCP\u9759\u6001\u6620\u5c04\uff0c\u800c\u4e0d\u662fDHCP\u79df\u7ea6\u3002<\/p>\n<p>\u5355\u51fb\u201c\u00a0\u00a0\u81ea\u5b9a\u4e49\u9009\u9879\u201d\u6309\u94ae\u5c06\u663e\u793a\u4e00\u4e2a\u6587\u672c\u6846\uff0c\u4f60\u53ef\u4ee5\u5728\u6b64\u5904\u8f93\u5165\u4efb\u4f55\u5176\u4ed6\u53c2\u6570\u3002<\/p>\n<p>\u4e3b\u673a\u8986\u76d6\uff0c \u5141\u8bb8\u4f60\u914d\u7f6e\u7279\u5b9a\u7684\u4e3b\u673a\u540d\uff0c\u4ee5\u89e3\u51b3\u4e0eDNS\u8f6c\u53d1\u5668\u4f7f\u7528\u7684DNS\u670d\u52a1\u5668\u4e0d\u540c\u7684\u95ee\u9898\u3002<\/p>\n<p>\u8fd9\u53ef\u7528\u4e8e\u62c6\u5206DNS\u914d\u7f6e\u3002\u5b83\u8fd8\u63d0\u4f9b\u4e86\u4e00\u79cd\u963b\u6b62\u8bbf\u95ee\u67d0\u4e9b\u7ad9\u70b9\u7684\u53ef\u80fd\u65b9\u6cd5\uff08\u5c3d\u7ba1\u7528\u6237\u603b\u662f\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u5730\u8f93\u5165\u76ee\u6807\u57df\u7684\u6b63\u786eIP\u5730\u5740\u6765\u51fb\u8d25\u6b64\u63aa\u65bd\uff09\u3002<\/p>\n<p>\u57df\u8986\u76d6\uff0c\u5982\u679c\u8981\u5728\u89e3\u6790\u67d0\u4e9b\u57df\u65f6\u6307\u5b9a\u5176\u4ed6DNS\u670d\u52a1\u5668\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u201c\u00a0\u57df\u8986\u76d6\u201d\uff0c\u8fd9\u5c06\u5141\u8bb8\u4f60\u6307\u5b9a\u5176\u4ed6DNS\u670d\u52a1\u5668\u7684IP\u5730\u5740\u3002\u8fd9\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\u5f88\u6709\u7528\uff1a\u4f8b\u5982\uff0c\u5728Windows Active Directory\u8bbe\u7f6e\u4e2d\u6307\u5b9aActive Directory DNS\u670d\u52a1\u5668\u3002<\/p>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u963b\u6b62\u5bf9\u67d0\u4e9b\u7ad9\u70b9\u7684\u8bbf\u95ee\uff0c\u5c3d\u7ba1\u6700\u7ec8\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u7ad9\u70b9\u7684IP\u5730\u5740\u6765\u89c4\u907f\u8fd9\u4e00\u70b9\u3002\u4e5f\u53ef\u4ee5\u4ee5\u4efb\u610f\u65b9\u5f0f\u4f7f\u7528\u5b83\uff0c\u4f8b\u5982\uff0c\u5c06\u5fc5\u5e94\u641c\u7d22\u5f15\u64ce<a href=\"https:\/\/www.bing.com\/\">https:\/\/www.bing.com\/<\/a>\u91cd\u5b9a\u5411\u5230<a href=\"https:\/\/www.google.com\/\">https:\/\/www.baidu.com\/<\/a>\u3002<\/p>\n<p>\u5355\u51fb\u6dfb\u52a0\u6309\u94ae\u5c06\u5f39\u51fa\u4e00\u4e2a\u9875\u9762\uff0c\u8f93\u5165\u4e3b\u673a\u3001\u57df\u3001IP\u5730\u5740\u548c\u7b80\u8981\u8bf4\u660e\u3002<\/p>\n<h1>\u4e8c\u3001\u9ad8\u7ea7\u8bbe\u7f6e<\/h1>\n<p>\u7b2c\u4e8c\u4e2a\u9009\u9879\u5361\u662f\u201c\u9ad8\u7ea7\u8bbe\u7f6e\u201d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4e3b\u8981\u8bbe\u7f6e\u5185\u5bb9\uff1a<\/p>\n<ul style=\"text-align: justify;\">\n<li>\u9884\u53d6DNS\u5bc6\u94a5\u652f\u6301\uff1a\u542f\u7528\u6b64\u9009\u9879\u53ef\u4f7fDNSKEY\u5728\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\u66f4\u65e9\u83b7\u53d6\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u8bf7\u6c42\u7684\u5ef6\u8fdf\uff08\u4f46\u589e\u52a0\u4e86CPU\u4f7f\u7528\u7387\uff09\u3002<\/li>\n<li>\u6d88\u606f\u9ad8\u901f\u7f13\u5b58\u5927\u5c0f\uff1a\u63a7\u5236\u6d88\u606f\u9ad8\u901f\u7f13\u5b58\u7684\u5927\u5c0f\uff0c\u6d88\u606f\u9ad8\u901f\u7f13\u5b58\u5b58\u50a8DNS\u54cd\u5e94\u4ee3\u7801\u548c\u9a8c\u8bc1\u72b6\u6001\u3002\u9ed8\u8ba4\u5927\u5c0f\u4e3a4 MB\u3002<\/li>\n<li>\u5b9e\u9a8c\u60270x20\u4f4d\u652f\u6301\uff1aDNS\u4e8b\u52a1ID\u7684\u8f83\u5c0f\u4f4d\u957f\uff0816\u4f4d\uff09\u4f7f\u5176\u7ecf\u5e38\u6210\u4e3a\u4f2a\u9020\u7684\u76ee\u6807\uff0c\u8fd9\u4f1a\u5e26\u6765\u5b89\u5168\u98ce\u9669\u3002\u6539\u5584DNS\u4ea4\u6613\u5b89\u5168\u6027\u7684\u65b9\u6cd5\u4e4b\u4e00\u662f\u5c06\u95ee\u9898\u540d\u79f0\u7684ASCII\u5b57\u6bcd\u4e2d\u76840x20\u4f4d\u968f\u673a\u5316\u3002\u4f8b\u5982\uff0c\u8bf7\u6c42\u8005\u5c06www.mydomain.com\u548cWWW.MYDOMAIN.COM\u7684\u540d\u79f0\u89c6\u4e3a\u76f8\u540c\uff0c\u4f46\u54cd\u5e94\u8005\u4f1a\u5c06\u5176\u89c6\u4e3a\u4e0d\u76f8\u7b49\u3002\u56e0\u6b64\uff0c\u5b83\u53ef\u4ee5\u5145\u5f53\u4e00\u79cd\u79d8\u5bc6\u52a0\u5bc6\u901a\u9053\uff0c\u5e76\u4f7fDNS\u4ea4\u6613\u66f4\u52a0\u5b89\u5168\u3002<\/li>\n<\/ul>\n<h1 style=\"text-align: justify;\">\u4e09\u3001\u8bbf\u95ee\u5217\u8868<\/h1>\n<p>\u6700\u540e\u4e00\u4e2a\u9009\u9879\u5361\u4e3a&#8221;\u8bbf\u95ee\u5217\u8868&#8221;\u3002\u8be5\u9009\u9879\u5361\u4f7f\u4f60\u80fd\u591f\u5141\u8bb8\u6216\u62d2\u7edd\uff08\u5e76\u4e14\u62d2\u7edd\u53ef\u4ee5\u662f\u901a\u7528\u7684\uff0c\u4e5f\u53ef\u4ee5\u4ec5\u9488\u5bf9\u975e\u672c\u5730\u6570\u636e\uff09\u8bbf\u95ee\u6307\u5b9a\u5b50\u7f51(netblock)\u7684DNS\u670d\u52a1\u5668\u3002<\/p>\n<p>\u5982\u679c\u4f60\u9700\u8981\u5bf9\u4e0d\u540c\u7684\u7f51\u7edc\u4f7f\u7528\u4e0d\u540c\u7684\u7b56\u7565\uff0c\u6216\u8005\u9700\u8981\u5c06DNS\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u6743\u9650\u6388\u4e88\u67d0\u4e9b\u7528\u6237\uff08\u4f8b\u5982\u901a\u8fc7VPN\u8fde\u63a5\u7684\u8fdc\u7a0b\u7528\u6237\uff09\uff0c\u8fd9\u4e2a\u529f\u80fd \u5c06\u5341\u5206\u6709\u7528\u3002\u5355\u51fb \u201c\u6dfb\u52a0\u201d\u6309\u94ae\u6765\u6dfb\u52a0\u8bbf\u95ee\u5217\u8868\u6761\u76ee\u3002<\/p>\n<p><a href=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS1221.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS1221.png\" alt=\"\" width=\"1143\" height=\"576\" \/><\/a><\/p>\n<p>\u5728\u6b64\u5904\uff0c\u4f60\u53ef\u4ee5\u6307\u5b9a\uff08\u89e3\u6790\u7684\uff09\u5217\u8868\u540d\u79f0\u3002\u9009\u62e9\u8bbe\u5b9a\u7684\u201c\u52a8\u4f5c\u201d\uff0c\u8fd9\u662f\u4e00\u4e2a\u4e0b\u62c9\u6846\u3002\u5728\u8fd9\u91cc\uff0c\u4f60\u53ef\u4ee5\u6307\u5b9a\u6e90\u81ea\u6307\u5b9a\u7f51\u7edc\u8303\u56f4\u7684DNS\u67e5\u8be2\u63a5\u4e0b\u6765\u5e72\u4ec0\u4e48\u3002\u5b83\u5305\u62ec\u4ee5\u4e0b\u9009\u9879\uff1a<\/p>\n<ul style=\"text-align: justify;\">\n<li>Deny\uff1a\u505c\u6b62\u6765\u81ea\u5df2\u5b9a\u4e49\u7f51\u7edc\u8303\u56f4\u7684\u67e5\u8be2\u3002\u67e5\u8be2\u88ab\u9759\u9ed8\u4e22\u5f03\u3002<\/li>\n<li>Refuse\uff1a\u505c\u6b62\u6765\u81ea\u5df2\u5b9a\u4e49\u7f51\u7edc\u8303\u56f4\u7684\u67e5\u8be2\u3002\u800c\u4e0d\u662f\u9759\u9ed8\u5730\u5220\u9664\u67e5\u8be2\uff0c\u5b83\u53d1\u9001\u56deREFUSED DNS rcode\u3002<\/li>\n<li>Allow\uff1a\u5141\u8bb8\u4ece\u5b9a\u4e49\u7684\u7f51\u7edc\u8303\u56f4\u5185\u7684\u4e3b\u673a\u8fdb\u884c\u67e5\u8be2\u3002<\/li>\n<li>Allow Snoop\uff1a\u7c7b\u4f3c\u4e8eAllow\uff0c\u4f46\u662f\u5141\u8bb8\u4ece\u5b9a\u4e49\u7684\u7f51\u7edc\u8303\u56f4\u5185\u7684\u4e3b\u673a\u8fdb\u884c\u9012\u5f52\u548c\u975e\u9012\u5f52\u8bbf\u95ee\u3002\u4ec5\u4ec5\u4e3a\u7ba1\u7406\u5458\u914d\u7f6e\u6b64\u529f\u80fd\uff0c\u4ee5\u4fbf\u8fdb\u884c\u6545\u969c\u6392\u9664\u3002<\/li>\n<li>Deny Nonlocal\uff1a\u4ec5\u5141\u8bb8\u4ece\u5b9a\u4e49\u7684\u7f51\u7edc\u8303\u56f4\u5185\u7684\u4e3b\u673a\u8fdb\u884c\u6743\u5a01\u7684\u672c\u5730\u6570\u636e\u67e5\u8be2\uff1b\u5176\u4ed6\u67e5\u8be2\u5c06\u88ab\u9759\u9ed8\u5220\u9664\u3002<\/li>\n<li>Refuse Nonlocal\uff1a\u4ec5\u5141\u8bb8\u4ece\u5b9a\u4e49\u7684\u7f51\u7edc\u8303\u56f4\u5185\u7684\u4e3b\u673a\u8fdb\u884c\u6743\u5a01\u7684\u672c\u5730\u6570\u636e\u67e5\u8be2\uff1b\u5176\u4ed6\u67e5\u8be2\u5c06\u53d1\u56deREFUSED DNS rcode\u3002<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">\u5728\u201c\u63cf\u8ff0\u201d \u5b57\u6bb5\u8f93\u5165\u8be5\u6761\u76ee\u7684\u8bf4\u660e\u5185\u5bb9\uff08\u4e0d\u89e3\u6790\u7684\uff09\uff0c\u5728\u201c \u7f51\u7edc\u201d\u5b57\u6bb5\u4e2d\u8f93\u5165\u8bbf\u95ee\u5217\u8868\u751f\u6548\u7684\u7f51\u7edc\u8303\u56f4\uff08\u5b50\u7f51\uff09\u3001\u5b50\u7f51CIDR\u3001\u63cf\u8ff0\u3002\u8f93\u5165\u5b8c\u6210\u540e\uff0c\u5355\u51fb\u5e95\u90e8\u201c\u6dfb\u52a0\u7f51\u7edc\u201d\u6309\u94ae\u6765\u6dfb\u52a0\u65b0\u5b9a\u4e49\u7684\u8bbf\u95ee\u5217\u8868\u00a0\u00a0\u3002<\/p>\n<h1>\u56db\u3001DNS\u9632\u706b\u5899\u89c4\u5219<\/h1>\n<p>\u5728\u914d\u7f6epfSense\u6765\u5145\u5f53DNS\u670d\u52a1\u5668\u4e4b\u540e\uff0c\u5982\u679c\u7f51\u7edc\u4e0a\u7684\u6700\u7ec8\u7528\u6237\u53ef\u4ee5\u7ed5\u8fc7pfSense\u5e76\u6307\u5b9a\u6240\u9700\u7684\u4efb\u4f55DNS\u670d\u52a1\u5668\uff0c\u90a3\u5c06\u4e0d\u662f\u6211\u4eec\u6240\u671f\u671b\u770b\u5230\u7684\u3002\u4f46\u662f\uff0c\u5728\u6211\u4eec\u7684\u5ba2\u6237\u7aef\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5927\u591a\u662f\u53ef\u4ee5\u81ea\u5b9a\u4e49DNS\u670d\u52a1\u5668\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><a href=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/111111.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/111111.jpg\" alt=\"\" width=\"648\" height=\"578\" \/><\/a><\/p>\n<p>\u7528\u6237\u7981\u7528\u81ea\u52a8\u83b7\u53d6DNS\uff0c\u81ea\u5df1\u624b\u52a8\u6307\u5b9a\u516c\u5171DNS\u670d\u52a1\u5668\u3002\u5373\u4f7f\u6211\u4eec\u5df2\u7ecf\u5c06pfSense\u8bbe\u7f6e\u4e3a\u672c\u5730\u7f51\u7edc\u7684DNS\u670d\u52a1\u5668\uff0c\u7528\u6237\u7684\u8ba1\u7b97\u673a\u4e5f\u53ef\u4ee5\u7ed5\u8fc7pfSense\u5e76\u76f4\u63a5\u8f6c\u5230\u81ea\u5b9a\u4e49\u7684DNS\u670d\u52a1\u5668\u3002\u8fd9\u79cd\u884c\u4e3a\u9664\u4e86\u7834\u574f\u6211\u4eec\u8bd5\u56fe\u6267\u884c\u7684\u7b56\u7565\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u4e0d\u5229\u56e0\u7d20\uff1a<\/p>\n<ul style=\"text-align: justify;\">\n<li>\u6bcf\u6b21\u7528\u6237\u8bbf\u95ee\u8fdb\u884c\u65b0\u7684DNS\u67e5\u8be2\u65f6\uff0c\u53ea\u4f1a\u5c06\u67e5\u8be2\u7ed3\u679c\u7f13\u5b58\u5728\u5176\u81ea\u5df1\u7684\u8ba1\u7b97\u673a\u4e0a\u3002\u5982\u679c\u7528\u6237\u4f7f\u7528pfSense\u4f5c\u4e3a\u5176DNS\u670d\u52a1\u5668\uff0c\u5219\u67e5\u627e\u7ed3\u679c\u5c06\u7f13\u5b58\u5728pfSense\u7cfb\u7edf\u4e0a\uff0c\u56e0\u6b64\u5bf9\u672c\u5730\u7f51\u7edc\u4e0a\u7684\u5176\u4ed6\u6240\u6709\u4eba\u90fd\u53ef\u4f7f\u7528\uff0c\u8fd9\u5c06\u5927\u5927\u52a0\u5feb\u67e5\u8be2\u7684\u901f\u5ea6\u3002<\/li>\n<li>\u7528\u6237\u5982\u679c\u6307\u5b9a\u4e86\u5b89\u5168\u6027\u53d7\u5230\u5a01\u80c1\u7684DNS\u670d\u52a1\u5668\uff0c\u8fd9\u5c06\u4f7f\u4ed6\u4eec\u7684\u8ba1\u7b97\u673a\u5bb9\u6613\u53d7\u5230DNS\u7f13\u5b58\u4e2d\u6bd2\u548c\u5176\u4ed6\u653b\u51fb\u5a01\u80c1\u3002<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">\u89e3\u51b3\u529e\u6cd5\uff1aDNS\u4f7f\u7528\u7aef\u53e353\u8fdb\u884c\u901a\u4fe1\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5728\u9632\u706b\u5899\u4e0a\u5efa\u7acb\u963b\u6b62\u6216\u5141\u8bb8\u7aef\u53e353\u6d41\u91cf\u7684\u89c4\u5219\uff0c\u5177\u4f53\u6765\u8bf4\uff0c\u9700\u8981\u6dfb\u52a0\u4e24\u6761\u5982\u4e0b\u89c4\u5219\uff1a<\/p>\n<ul style=\"text-align: justify;\">\n<li>\u5728LAN\u7f51\u7edc\u4e0a\u6dfb\u52a0\u4e00\u6761\u5141\u8bb8\u7aef\u53e353\u5230LAN\u5730\u5740\u7684\u89c4\u5219\u3002<\/li>\n<li>\u5728LAN\u7f51\u7edc\u4e0a\u6dfb\u52a0\u4e00\u6761\u7981\u6b62\u7aef\u53e353\u901a\u884c\u7684\u89c4\u5219\u3002<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">\u7531\u4e8e\u9632\u706b\u5899\u89c4\u5219\u662f\u4ece\u4e0a\u5230\u4e0b\u5e94\u7528\u7684\uff0c\u9047\u5230\u7684\u7b2c\u4e00\u4e2a\u89c4\u5219\u9002\u7528\u4e8e\u8981\u5e94\u7528\u7684\u6d41\u91cf\uff0c\u56e0\u6b64\u6211\u4eec\u5fc5\u987b\u5728\u8fd9\u4e9b\u89c4\u5219\u4e4b\u4e0a\u521b\u5efa\u4e00\u4e2a\u89c4\u5219\uff0c\u5982\u4e0b\u56fe\u6240\u793a(\u56e0\u4e3a\u6211\u7684\u793a\u4f8b\u7f51\u7edc\u662f\u591aLAN\u548cWAN\uff0c\u6240\u4ee5\u8ddf\u4f60\u7684\u53ef\u80fd\u6709\u6240\u4e0d\u540c)\uff1a<\/p>\n<p><a href=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS1225.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2019\/10\/DNS1225.png\" alt=\"\" width=\"1149\" height=\"288\" \/><\/a><\/p>\n<p>\u68c0\u67e5\u89c4\u5219\u662f\u5426\u6709\u6548\uff0c\u53ef\u4ee5\u4f7f\u7528nslookup\u5c1d\u8bd5\u4f7f\u7528\u5176\u4ed6\u670d\u52a1\u5668\u6765\u67e5\u627e\u57df\u540d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>nslookup baidu.com 114.114.114.114<\/pre>\n<p>\u8be5\u547d\u4ee4\u5c06\u4f7f\u7528\u5176\u4e2d\u4e00\u53f0\u516c\u5171DNS\u670d\u52a1\u5668\u5bf9\u767e\u5ea6\u8fdb\u884cDNS\u67e5\u8be2\u3002\u5982\u679c\u6211\u4eec\u521b\u5efa\u7684\u89c4\u5219\u6709\u6548\uff0c\u5219\u6b64\u64cd\u4f5c\u5c06\u5931\u8d25\u3002<\/p>\n<pre>nslookup baidu.com<\/pre>\n<p>\u800c\u5728\u7701\u7565\u7b2c\u4e8c\u4e2a\u53c2\u6570\u540e\uff0c\u6267\u884c\u76f8\u540c\u7684\u547d\u4ee4\uff08\u56e0nslookup\u5c06\u4f7f\u7528\u9ed8\u8ba4\u7684DNS\u670d\u52a1\u5668\uff09\u5e94\u8be5\u6709\u6548\u3002<\/p>\n<p>\u8fd9\u4e9b\u89c4\u5219\u5728\u963b\u6b62\u6700\u7ec8\u7528\u6237\u7ed5\u8fc7pfSense DNS\u670d\u52a1\u5668\u65b9\u9762\u53ef\u80fd\u975e\u5e38\u6709\u6548\uff0c\u4f46\u4e5f\u5b58\u5728\u4e24\u4e2a\u7f3a\u9677\uff1a<\/p>\n<ul style=\"text-align: justify;\">\n<li>\u8be5\u89c4\u5219\u4ec5\u9002\u7528\u4e8eLAN\u7f51\u7edc\u3002\u5728\u8f83\u5927\u7684\u7f51\u7edc\u4e0a\uff0c\u5982\u679c\u5b58\u5728\u51e0\u4e2a\u7f51\u6bb5\u3002\u6211\u4eec\u9700\u8981\u5728\u591a\u4e2a\u7f51\u7edc\u4e0a\u6dfb\u52a0\u89c4\u5219\u3002<\/li>\n<li>\u5982\u679c\u5efa\u7acb\u4e86VPN\uff0c\u5219\u53ef\u4ee5\u7ed5\u8fc7\u9632\u706b\u5899\u521b\u5efa\u7684\u89c4\u5219\u3002<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">\u539f\u6587<a href=\"https:\/\/blog.tetratutorials.com\/configure-dns-pfsense\/\">\u5730\u5740<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u53ef\u80fd\u6c38\u8fdc\u6ca1\u6709\u673a\u4f1a\u8bbe\u7f6e\u81ea\u5df1\u7684DNS\u670d\u52a1\u5668\uff0c\u4f46\u662f\u62e5\u6709\u81ea\u5df1\u7684DNS\u670d\u52a1\u5668\u53ef\u4ee5\u51cf\u5c11\u7ba1\u7406 &hellip; <a href=\"https:\/\/blog.pfchina.org\/?p=2035\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[153],"class_list":["post-2035","post","type-post","status-publish","format-standard","hentry","category-pfsense","tag-dns"],"_links":{"self":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/posts\/2035","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2035"}],"version-history":[{"count":0,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/posts\/2035\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}