{"id":339,"date":"2015-08-17T22:43:34","date_gmt":"2015-08-17T15:43:34","guid":{"rendered":"https:\/\/beta.engisv.info\/?p=339"},"modified":"2015-08-17T22:43:34","modified_gmt":"2015-08-17T15:43:34","slug":"web-proxy-tren-pfsense","status":"publish","type":"post","link":"https:\/\/www.engisv.info\/?p=339","title":{"rendered":"Pfsense Firewall &#8211; Web proxy tr\u00ean pfSense"},"content":{"rendered":"<p>Web Proxy l\u00e0 n\u01a1i cache l\u1ea1i nh\u1eefng trang web m\u00e0 user trong m\u1ea1ng th\u01b0\u1eddng truy c\u1eadp. Web Proxy tr\u00ean Pfsens c\u00f3 3 th\u00e0nh ph\u1ea7n ch\u00ednh \u0111\u00f3 l\u00e0 Proxy server (cache l\u1ea1i c\u00e1c trang web), Proxy filter (l\u1ecdc web) v\u00e0 Proxy report (\u0111\u01b0a ra th\u1ed1ng k\u00ea truy c\u1eadp c\u1ee7a user).<\/p>\n<p><strong>Proxy server:<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp d\u1ef1a tr\u00ean g\u00f3i ph\u1ea5n m\u1ec1m Squid, g\u00f3i ph\u1ea5n m\u1ec1m n\u00e0y cho ph\u00e9p ch\u00fang ta c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd v\u1ec1 c\u00e1ch th\u1ee9c user truy c\u1eadp web th\u00f4ng qua proxy nh\u01b0 th\u1ebf n\u00e0o, v\u00ed d\u1ee5 nh\u01b0 th\u00f4ng qua port c\u1ee7a proxy ho\u1eb7c l\u00e0 trong su\u1ed1t v\u1edbi ng\u01b0\u1eddi d\u00f9ng. Cho ph\u00e9p qu\u1ea3n l\u00fd th\u00f4ng tin c\u00e1c k\u1ebft n\u1ed1i th\u00f4ng qua file log. Proxy server c\u00f2n cho ph\u00e9p Cache l\u1ea1i th\u00f4ng tin truy c\u1eadp web c\u1ee7a ng\u01b0\u1eddi d\u00f9ng nh\u01b0 n\u1ed9i dung, \u0111\u1ea1i ch\u1ec9\u2026 Vi\u1ec7c c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua Cache Mgmt (cache managerment) v\u1edbi kh\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u01b0 b\u1ed9 nh\u1edb cache l\u01b0u tr\u1eed trong \u1ed5 c\u1ee9ng, tr\u00ean RAM\u2026<\/p>\n<p>V\u00e0o menu <strong>Services<\/strong> ch\u1ecdn <strong>Proxy server<\/strong> c\u1ea5u h\u00ecnh c\u00e1c th\u00f4ng tin ch\u00ednh c\u1ea7n quan t\u00e2m nh\u01b0 sau:<\/p>\n<ul>\n<li>Tab <strong>General<\/strong>: b\u1eadt Proxy v\u00e0 c\u00e1c c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Proxy, nh\u1eadt k\u00fd s\u1ef1 ki\u1ec7n, port proxy v\u00e0 log d\u00f9ng cho Proxy report<\/li>\n<li>Tab <strong>Cache Mgmt<\/strong>: Quy \u0111\u1ecbnh b\u1ed9 nh\u1edb cache<\/li>\n<li>Tab <strong>Access Control<\/strong>: quy \u0111\u1ecbnh c\u00e1c m\u1ea1ng \u0111i qua proxy<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter zoooom\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/public.bn1.livefilestore.com\/y2pE1SJEnjovmpjbJ8r46aWpwlVBaiWWnxIb_XEDt9rU9ze_ptYsHeVqX9ieAYUsRGFSJq3ohXX0hsxNUzXKo8np8XXeyUoC8e6uJnoHWnvLpI\/1.png?psid=1\" alt=\"\" width=\"500\" height=\"402\" \/><\/p>\n<p><strong>Proxy filter:<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp d\u1ef1a tr\u00ean g\u00f3i ph\u1ea5n m\u1ec1m squidGuard, g\u00f3i ph\u1ea5n m\u1ec1m n\u00e0y cho ph\u00e9p t\u1ea1o ra nh\u1eefng Target categories (lo\u1ea1i m\u1ee5c ti\u00eau) \u0111\u1ecbnh ngh\u0129a c\u00e1c danh s\u00e1ch domain name (t\u00ean mi\u1ec1n), c\u00e1c URL (Uniform Resource Locator) ho\u1eb7c l\u00e0 c\u00e1c \u0111\u1ecbnh d\u1ea1ng t\u1eadp tin c\u1ea7n qu\u1ea3n l\u00fd, d\u1ef1a tr\u00ean nh\u1eefng Target categories n\u00e0y ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp c\u00e1c ch\u00ednh s\u00e1ch v\u1ec1 c\u1ea5m (deny), cho ph\u00e9p (allow ho\u1eb7c white) trong Group Access Control List (Groups ACL) v\u00e0 Conmon Access Control List (Common ACL).<\/p>\n<p>Menu <strong>Services<\/strong> ch\u1ecdn <strong>Poxy filter<\/strong> v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u h\u00ecnh ch\u00ednh:<\/p>\n<ul>\n<li>Tab\u00a0<strong>General settings<\/strong>\u00a0ch\u1ecdn\u00a0<strong>Enabale<\/strong>\u00a0v\u00e0\u00a0<strong>Apply\u00a0<\/strong>\u0111\u1ec3 b\u1eadt d\u1ecbch v\u1ee5, ngo\u00e0i ra n\u00f3 c\u00f2n nhi\u1ec1u t\u00f9y ch\u1ecdn kh\u00e1c v\u1ec1 c\u1eebng th\u1ef1c User LDAP, v\u1ec1 c\u00e1c d\u1ea1ng nh\u1eadt k\u00fd s\u1ef1 ki\u1ec7n cho proxy filter.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"zoooom aligncenter\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/public.bn1.livefilestore.com\/y2pMlbkRaW37_OijltBHud5RoVgQ2pnHZODfex8CvK--wWAenrrMqB-NOtkfgikWcJa0hdO4lO09ze85EnkA-wYVPajkRN52LHFvOOuHJkFWeA\/start%20dich%20vu.png?psid=1\" alt=\"\" width=\"500\" height=\"119\" \/><\/p>\n<ul>\n<li>Tab <strong>Target categories<\/strong>: c\u1ea5u h\u00ecnh c\u00e1c th\u00f4ng tin (m\u1ee5c ti\u00eau) mu\u1ed1n l\u1ecdc nh\u01b0 doamain name, nh\u1eefng URL, nh\u1eefng d\u1ea1ng file mu\u1ed1n l\u1ecdc [v\u1edbi c\u1ea5u tr\u00fac l\u1ecdc file (.*\\\/.*\\.(asf|wm|wma|wmv|zip|rar|cab|mp3|avi|mpg|swf|exe|mpeg|mp.|mpv|mp3|wm.|vpu)) ]<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter zoooom\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/public.bn1.livefilestore.com\/y2pwYzJd-xPwJZubpidqc7Jy8U2-zu9qv5YCnKcMUBepeqaxkvOqhi4MLJcM3l7xp-DiHKa5_h568jCqGtLmNvsUihe3oYdAaIhzRxh1v1saEA\/6.png?psid=1\" alt=\"\" width=\"500\" height=\"262\" \/><\/p>\n<p style=\"text-align: center;\">\u0110\u1ecbnh ngh\u0129a Domain<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter zoooom\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/public.bn1.livefilestore.com\/y2pWWTXynCHpPnbQAOYxX207R3oXs_12DzN5mkVn-BHmcGA10hA7E10W3oOoptCy7mF4ZjcOj_3mWOToNu9kErViOjlBd8-zH4dWIxCcbvDvFQ\/18.png?psid=1\" alt=\"\" width=\"500\" height=\"351\" \/><\/p>\n<p style=\"text-align: center;\">\u0110\u1ecbnh ngh\u0129a d\u1ea1ng file<\/p>\n<p>Tab <strong>Groups ACL<\/strong>: c\u1ea5u h\u00ecnh c\u00e1c ch\u00ednh s\u00e1ch l\u1ecdc tr\u00ean c\u00e1c nh\u00f3m c\u1ee5 th\u1ec3 (IP, subnet, m\u1ed9t d\u00e3y IP&#8230;) nh\u01b0 deny, white, allow d\u1ef1a tr\u00ean c\u00e1c \u0111\u1ecbnh ngh\u0129a \u1edf\u00a0<strong>Target categories.<\/strong><\/p>\n<p><strong><img decoding=\"async\" class=\"zoooom aligncenter\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/img.engisv.info\/Network\/firewall_proxy\/pfsense\/web_proxy\/proxy_filter\/group-rule.png\" alt=\"\" width=\"500\" \/><br \/>\n<\/strong><\/p>\n<p>Tab <strong>Common Access Control List<\/strong>: thi\u1ebft l\u1eadp c\u00e1c ACL d\u00f9ng chung, c\u00e1c thi\u1ebft l\u1eadp \u1edf \u0111\u00e2y c\u00f3 t\u00ednh to\u00e0n c\u1ee5c, th\u00f4ng th\u01b0\u1eddng ng\u01b0\u1eddi ta d\u00f9ng c\u00e1c g\u00f3i blacklist c\u00f3 s\u1eb5n (b\u1ea1n c\u00f3 th\u1ec3 t\u1ea3i v\u1ec1 <a href=\"https:\/\/www.squidguard.org\/blacklists.html\" target=\"_blank\">t\u1ea1i \u0111\u00e2y<\/a>, c\u00e1ch s\u1eed d\u1ee5ng trong video demo)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"zoooom aligncenter\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/public.bn1.livefilestore.com\/y2pZLRjk6or3Vz67QWNFM-kolYMRtNJ1brAAkmyZAE282KmFBE3PvAApMaPuwyQpmc1NMErwFXOdhL6BzhkEl19MOAnT48PeJn2wjr0OYcoawM\/common%20rule.png?psid=1\" alt=\"\" width=\"500\" height=\"162\" \/><\/p>\n<p>B\u1ea1n ch\u00fa \u00fd l\u00e0 <strong>Default access [all]<\/strong> b\u1eadt <strong>allow<\/strong> \u0111\u1ec3 khi th\u1ef1c hi\u1ec7n c\u1ea5m m\u1ed9t d\u00e3y \u0111\u1ecba ch\u1ec9 IP n\u00e0o \u0111\u00f3 th\u00ec c\u00e1c d\u00e3y kh\u00e1c kh\u00f4ng \u1ea3nh h\u01b0\u1edfng (\u0111i\u1ec1u n\u00e0y thi\u1ebfu trong video h\u01b0\u1edbng d\u1ea9n c\u1ea5u h\u00ecnh b\u00ean d\u01b0\u1edbi).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"zoooom aligncenter\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/img.engisv.info\/Network\/firewall_proxy\/pfsense\/web_proxy\/proxy_filter\/common2.png\" alt=\"\" width=\"500\" height=\"169\" \/><\/p>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p, c\u00e1c thi\u1ebft l\u1eadp\u00a0<strong>Target categories<\/strong>\u00a0\u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf Groups ACL r\u1ed3i m\u00e0 b\u1ea1n kh\u00f4ng mu\u1ed1n n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n c\u1ee5c, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn &#8212;<\/p>\n<p><strong>Proxy report:<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp d\u1ef1a tr\u00ean g\u00f3i ph\u1ea5n m\u1ec1m Lightsquid, g\u00f3i ph\u1ea7n m\u1ec1m n\u00e0y cho ph\u00e9p t\u1ea1o ra nh\u1eefng b\u00e1o c\u00e1o (report) th\u1ed1ng k\u00ea vi\u1ec7c truy c\u1eadp web c\u1ee7a user theo th\u1eddi gian th\u1ef1c. Gi\u00fap ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb c\u00f3 th\u1ec3 th\u1ed1ng k\u00ea ch\u00ednh x\u00e1c nhu c\u1ea7u truy c\u1eadp web c\u1ee7a ng\u01b0\u1eddi d\u00f9ng trong m\u1ea1ng. Ph\u1ea7n m\u1ec1m n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o c\u00e1c file log c\u00f9a Poxy server (Squid).<\/p>\n<p>Menu <strong>Status <\/strong>ch\u1ecdn <strong>Proxy report<\/strong> c\u00f3 nh\u1eefng th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ea7n quan t\u00e2m:<\/p>\n<ul>\n<li>Tab <strong>Settings<\/strong>: c\u1ea5u h\u00ecnh d\u1ea1ng report, ng\u00f4n ng\u1eef, th\u1eddi gian c\u1eadp nh\u1eadt&#8230;<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"zoooom aligncenter\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/public.bn1.livefilestore.com\/y2p6yAM_OK2W4sQ0-p4rFsobzJRUFQj5FccT1bMqz_CN006N5Ka3qdMKbw6rbCAFgl3JNfnsQmbea0B0ok13sKPF8sB1xwHnb-mleCm6TBNiGU\/1.png?psid=1\" alt=\"\" width=\"700\" height=\"437\" \/><\/p>\n<ul>\n<li>Tab <strong>Lightsquid Report<\/strong>: d\u00f9ng xem report<\/li>\n<\/ul>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter zoooom\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/public.bn1.livefilestore.com\/y2pK0Are_er8ChbAVSDkal2tRBdtub3ELk4qxpNssqme69tyUI33eKvFcvwC3kO8hTLP2JtFGoDGpu58i7w-hGe8SZ4J74xC1axk6N9jjqcitY\/2.png?psid=1\" alt=\"\" width=\"700\" height=\"388\" \/><\/strong><\/p>\n<p>\u0110\u1ec3 c\u00e1c ch\u00ednh s\u00e1ch proxy c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng, b\u1ea1n c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ee3i m\u1ed9t th\u1eddi gian ho\u1eb7c ph\u1ea3i kh\u1edfi \u0111\u1ed9ng l\u1ea1i Pfsense \u0111\u1ec3 c\u00e1c ch\u00ednh s\u00e1ch n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/p>\n<p><strong>M\u00f4 h\u00ecnh c\u1ea5u h\u00ecnh demo<\/strong><\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter zoooom\" style=\"margin-left: auto; margin-right: auto;\" src=\"https:\/\/public.bn1.livefilestore.com\/y2pkwtHpPEsO-raBRo0nb4F1EudLkY4SxFqg92UA5F5Cf8TxxZxV4cKcY8HgTCZzUgaSybQEwMzxiSmZnA4_AH92Gy0fMbdcapmC8KmMP4qTSs\/Mohinh%20proxy.png?psid=1\" alt=\"\" width=\"600\" height=\"342\" \/><\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.youtube.com\/watch?v=Tm84LZ2EIYE\" target=\"_blank\">Video demo<\/a><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=Tm84LZ2EIYE\">https:\/\/www.youtube.com\/watch?v=Tm84LZ2EIYE<\/a><\/p>\n<p>M\u1eb9o: Khi b\u1ea1n c\u1ea5u d\u00f9ng \u0111\u1ec5 test, th\u00ec n\u00ean \u0111\u1ec3 cache trong Proxy server th\u00e0nh 0 h\u1ebft, sau khi thi\u1ebft l\u1eadp xong m\u1ed9t th\u1ee9 n\u00e0o \u0111\u00f3 th\u00ec h\u00e3y reset m\u00e1y pfSense \u0111\u1ec3 clear t\u1ea5t c\u1ea3 c\u00e1c cache tr\u00ean h\u1ec7 th\u1ed1ng \u0111i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Web Proxy l\u00e0 n\u01a1i cache l\u1ea1i nh\u1eefng trang web m\u00e0 user trong m\u1ea1ng th\u01b0\u1eddng truy c\u1eadp. Web Proxy tr\u00ean Pfsens c\u00f3 3 th\u00e0nh ph\u1ea7n ch\u00ednh \u0111\u00f3 l\u00e0 Proxy server (cache l\u1ea1i c\u00e1c trang web), Proxy filter (l\u1ecdc web) v\u00e0 Proxy report (\u0111\u01b0a ra th\u1ed1ng k\u00ea truy c\u1eadp c\u1ee7a user). Proxy server: \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp d\u1ef1a tr\u00ean g\u00f3i ph\u1ea5n m\u1ec1m Squid, g\u00f3i ph\u1ea5n m\u1ec1m n\u00e0y cho ph\u00e9p ch\u00fang ta c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd v\u1ec1 c\u00e1ch th\u1ee9c user truy c\u1eadp web th\u00f4ng qua proxy nh\u01b0 th\u1ebf n\u00e0o, v\u00ed d\u1ee5 nh\u01b0 th\u00f4ng qua&hellip;<\/p>\n","protected":false},"author":2,"featured_media":260,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[4,5],"tags":[54,69],"class_list":["post-339","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mang","category-firewall-proxy","tag-pfsense","tag-web-proxy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pfsense Firewall - Web proxy tr\u00ean pfSense - EngISV<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engisv.info\/?p=339\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pfsense Firewall - Web proxy tr\u00ean pfSense - EngISV\" \/>\n<meta property=\"og:description\" content=\"Web Proxy l\u00e0 n\u01a1i cache l\u1ea1i nh\u1eefng trang web m\u00e0 user trong m\u1ea1ng th\u01b0\u1eddng truy c\u1eadp. 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