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503狀態(tài)碼：防止網(wǎng)頁(yè)被刪除

503狀態(tài)碼表示服務(wù)器暫時(shí)無(wú)法處理請(qǐng)求，常見(jiàn)的原因有服務(wù)器過(guò)載、維護(hù)或升級(jí)等。與防止網(wǎng)頁(yè)被刪除的關(guān)系不太直接，但可以理解為服務(wù)器因某種原因暫時(shí)無(wú)法提供網(wǎng)頁(yè)內(nèi)容，因此用戶(hù)無(wú)法訪問(wèn)網(wǎng)頁(yè)。通常情況下，當(dāng)服務(wù)器恢復(fù)正常后，狀態(tài)碼會(huì)變?yōu)?00或其他合適的狀態(tài)碼，用戶(hù)就可以正常訪問(wèn)網(wǎng)頁(yè)了。

Public @ 2023-07-30 18:50:09

死鏈接是如何產(chǎn)生的?

死鏈接是指指向不存在目標(biāo)網(wǎng)頁(yè)或網(wǎng)頁(yè)已經(jīng)被刪除的鏈接。產(chǎn)生死鏈接可能有以下幾種情況： 1.鏈接目標(biāo)網(wǎng)頁(yè)已經(jīng)被刪除或不存在，比如網(wǎng)站對(duì)某個(gè)頁(yè)面進(jìn)行了更新，但沒(méi)有修改原來(lái)的鏈接。 2.鏈接目標(biāo)網(wǎng)頁(yè)的網(wǎng)址被修改，不再是原來(lái)的網(wǎng)址了，但鏈接未被更新。 3.鏈接目標(biāo)網(wǎng)頁(yè)被移動(dòng)到了其他的位置，但鏈接未被更新。 4.鏈接目標(biāo)網(wǎng)頁(yè)存在，但由于一些原因，比如服務(wù)器宕機(jī)、網(wǎng)絡(luò)故障等，導(dǎo)致無(wú)法訪問(wèn)。 5.鏈接目

Public @ 2023-06-14 01:00:20

站點(diǎn)流量異常追查文檔-特征頁(yè)分析

一、特征頁(yè)定義特征頁(yè)是指站點(diǎn)上訪問(wèn)量異常高的一系列頁(yè)面，這些頁(yè)面可能包含敏感信息或者是針對(duì)某個(gè)特定用戶(hù)或用戶(hù)群體的攻擊。二、特征頁(yè)分析 1. 訪問(wèn)量異常對(duì)站點(diǎn)的訪問(wèn)量進(jìn)行分析，發(fā)現(xiàn)某些頁(yè)面的訪問(wèn)量異常高，往往是攻擊者攻擊和獲得敏感信息的重要手段之一。 2. 訪問(wèn)時(shí)間異常攻擊者有時(shí)會(huì)通過(guò)抓取網(wǎng)站的訪問(wèn)日志，找出特定用戶(hù)在站點(diǎn)上的訪問(wèn)習(xí)慣，并在特定時(shí)間點(diǎn)進(jìn)行攻擊。因此，對(duì)于那些訪問(wèn)

Public @ 2023-06-27 02:50:27

HTTP狀況碼

§§ 1000 +# HTTP狀態(tài)碼 §§ --- 14.8.1.md -HTTP狀況碼是用于表示HTTP請(qǐng)求/答復(fù)狀況的3位數(shù)字代碼。它們由RFC2616定義，共有5大類(lèi)，每一類(lèi)代碼用于不同場(chǎng)景下的狀況，分別為： §§ 1002 +HTTP狀態(tài)碼是用于表示HTTP請(qǐng)求/響應(yīng)狀態(tài)的3位數(shù)字代碼。它們由RFC2616定義，共有5大類(lèi)，每一類(lèi)代碼用于不同場(chǎng)景下的狀態(tài)，分別為： §§ ---

Public @ 2023-02-24 17:00:29

503狀態(tài)碼：防止網(wǎng)頁(yè)被刪除

503狀態(tài)碼表示服務(wù)器暫時(shí)無(wú)法處理請(qǐng)求，一般是由于服務(wù)器過(guò)載或維護(hù)而導(dǎo)致的。這種情況下，服務(wù)器向客戶(hù)端返回503響應(yīng)狀態(tài)碼，告訴客戶(hù)端該網(wǎng)頁(yè)暫時(shí)不可用，但未被刪除。這樣可以避免搜索引擎將網(wǎng)頁(yè)標(biāo)記為已刪除，并減少了誤解和混淆。當(dāng)服務(wù)器容量不足或需要維護(hù)時(shí)，503狀態(tài)碼為客戶(hù)端提供一個(gè)等待時(shí)間，直到服務(wù)器能夠處理請(qǐng)求。這樣，客戶(hù)端就不再發(fā)送請(qǐng)求，從而避免了服務(wù)器進(jìn)一步過(guò)載。總之，503狀態(tài)

Public @ 2023-04-09 19:50:47

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[ DB ] CONNECT:[ UseTime:0.027002s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018519s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 10156 LIMIT 1 [ RunTime:0.017631s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.018056s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.018290s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.018554s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 10156 LIMIT 1 [ RunTime:0.017590s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+1 where id=10156 [ RunTime:0.019177s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo技術(shù)提升' AND `status` <> -1 LIMIT 1 [ RunTime:0.028338s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo技術(shù)提升' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.064949s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海HTTP狀況碼' AND `status` <> -1 LIMIT 1 [ RunTime:0.032711s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海HTTP狀況碼' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.048423s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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503狀態(tài)碼：防止網(wǎng)頁(yè)被刪除

死鏈接是如何產(chǎn)生的?

站點(diǎn)流量異常追查文檔-特征頁(yè)分析

HTTP狀況碼

503狀態(tài)碼：防止網(wǎng)頁(yè)被刪除

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