{"id":4783,"date":"2020-04-16T10:34:56","date_gmt":"2020-04-16T03:34:56","guid":{"rendered":"https:\/\/tino.vn\/?post_type=ht_kb&#038;p=4783"},"modified":"2020-04-16T10:34:56","modified_gmt":"2020-04-16T03:34:56","slug":"huong-dan-sua-loi-error-520-web-server-is-returning-an-unknown-error-cloudflare","status":"publish","type":"ht_kb","link":"https:\/\/tino.vn\/blog\/docs\/huong-dan-sua-loi-error-520-web-server-is-returning-an-unknown-error-cloudflare\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn s\u1eeda l\u1ed7i \u201cError 520: Web Server Is Returning an Unknown Error\u201d Cloudflare"},"content":{"rendered":"<div class=\"ddict_div\">\n<p class=\"ddict_sentence\">V\u00ec l\u1ed7i 520 xu\u1ea5t hi\u1ec7n do s\u1ef1 c\u1ed1 tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 b\u1eb1ng c\u00e1ch xem nh\u1eadt k\u00fd l\u1ed7i c\u1ee7a m\u00ecnh.<\/p>\n<p><a href=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/error-520-example.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-4785\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/error-520-example.png\" alt=\"\" width=\"1050\" height=\"500\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/error-520-example.png 1050w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/error-520-example-300x143.png 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/error-520-example-1024x488.png 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/error-520-example-768x366.png 768w\" sizes=\"(max-width: 1050px) 100vw, 1050px\" \/><\/a><\/p>\n<p><span style=\"font-size: 18pt;\">Disable Cloudflare<\/span><\/p>\n<div class=\"ddict_div\">\n<p class=\"ddict_sentence\">Tr\u01b0\u1edbc khi b\u1ea1n b\u1eaft \u0111\u1ea7u kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1, b\u1ea1n c\u1ea7n ph\u1ea3i v\u00f4 hi\u1ec7u h\u00f3a Cloudflare. \u0110i\u1ec1u n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nguy\u00ean nh\u00e2n c\u1ee7a l\u1ed7i<\/p>\n<p><a href=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/disable-cloudflare.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-4786\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/disable-cloudflare.png\" alt=\"\" width=\"1050\" height=\"525\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/disable-cloudflare.png 1050w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/disable-cloudflare-300x150.png 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/disable-cloudflare-1024x512.png 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/disable-cloudflare-768x384.png 768w\" sizes=\"(max-width: 1050px) 100vw, 1050px\" \/><\/a><\/p>\n<p><span style=\"font-size: 18pt;\">Ki\u1ec3m tra Server\u2019s Error Logs<\/span><\/p>\n<p>N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng cPanel b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra l\u1ed7i t\u1ea1i\u00a0 m\u1ee5c Metrics error<\/p>\n<p><a href=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.30.57.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-4787\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.30.57.png\" alt=\"\" width=\"1281\" height=\"929\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.30.57.png 1281w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.30.57-300x218.png 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.30.57-1024x743.png 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.30.57-768x557.png 768w\" sizes=\"(max-width: 1281px) 100vw, 1281px\" \/><\/a><\/p>\n<p>N\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 l\u1ed7i g\u00ec li\u00ean quan cpanel s\u1ebd hi\u1ec7n th\u1ecb v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 x\u1eed l\u00fd theo l\u1ed7i tr\u1ea3 v\u1ec1<\/p>\n<p><a href=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.31.57.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-4788\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.31.57.png\" alt=\"\" width=\"1281\" height=\"929\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.31.57.png 1281w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.31.57-300x218.png 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.31.57-1024x743.png 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2020\/04\/Screen-Shot-2020-04-16-at-10.31.57-768x557.png 768w\" sizes=\"(max-width: 1281px) 100vw, 1281px\" \/><\/a><\/p>\n<p>N\u1ebfu b\u1ea1n d\u00f9ng vps th\u00ec b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra c\u00e1c file error_log webserver ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 restart l\u1ea1i webserver v\u00e0 ki\u1ec3m\u00a0 l\u1ea1i ho\u1ea1t \u0111\u1ed9ng<\/p>\n<p>SSH v\u00e0o server v\u00e0 ch\u1ea1y l\u1ec7nh restart<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\">\u0110\u1ed1i v\u1edbi apache : \r\napache2ctl restart\r\n\r\n\u0110\u1ed1i v\u1edbi nginx :\r\nservice nginx restart<\/pre>\n<p>Sau khi website ho\u1ea1t \u0111\u1ed9ng tr\u1ecf l\u1ea1i b\u1ea1n c\u00f3 th\u1ec3 b\u1eadt l\u1ea1i proxy cloudflare \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>V\u00ec l\u1ed7i 520 xu\u1ea5t hi\u1ec7n do s\u1ef1 c\u1ed1 tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 b\u1eb1ng c\u00e1ch xem nh\u1eadt k\u00fd l\u1ed7i c\u1ee7a m\u00ecnh. Disable Cloudflare Tr\u01b0\u1edbc khi b\u1ea1n b\u1eaft \u0111\u1ea7u kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1, b\u1ea1n c\u1ea7n ph\u1ea3i v\u00f4 hi\u1ec7u h\u00f3a Cloudflare. \u0110i\u1ec1u n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nguy\u00ean nh\u00e2n [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":16424,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"tags":[],"ht_kb_category":[5167],"class_list":["post-4783","ht_kb","type-ht_kb","status-publish","format-standard","has-post-thumbnail","hentry","ht_kb_category-cau-hoi-chung-ve-wordpress"],"_links":{"self":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb\/4783","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb"}],"about":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/comments?post=4783"}],"version-history":[{"count":0,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb\/4783\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media\/16424"}],"wp:attachment":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media?parent=4783"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/tags?post=4783"},{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb_category?post=4783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}