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什么是DDoS攻击

威海网站建设威海DDOS
2591

DDoS攻击是指利用多个计算机或者设备向一个网络服务器或者网站发起大量的无效请求，导致该网络服务器或网站超过其承受范围而崩溃的攻击行为。DDoS（分布式拒绝服务攻击）是一种比较常见的网络攻击方式，通常攻击者会通过控制一些主机或者设备，将大量恶意流量集中发往目标服务器，从而使服务器无法正常响应合法用户的请求。DDoS攻击可以对目标服务器或者网站造成严重的影响，导致业务停滞、造成经济损失或者泄露用户信息。

Public @ 2023-04-21 04:50:08

如何禁用危险的http方法，如TRACE，OPTIONS

威海网站建设威海http
2702

windows 2008-2012：请在wwwroot目录建立web.config，内容如下，如果文件已经存在，请添加红色部分<?xml version="1.0" encoding="UTF-8"?><configuration><system.webServer><security><requestF

Public @ 2011-03-25 16:13:57

域名的管理机构有哪些？

威海网站建设威海域名
2468

1. ICANN（国际互联网管理办公室） 2. Verisign（维瑞新科技有限公司） 3. IANA（国际互联网地址资源分配机构） 4. 国家顶级域名管理机构 5. 根域名服务器网络（f码）

Public @ 2023-03-02 21:00:08

使用Cloudflare免费防御DDOS

威海网站建设威海DDOS
3767

据Cloudflare官方账号表示，Cloudflare在包含免费计划的所有服务计划中提供的DDoS防御服务均不计容量且不设上限。Cloudflare的全球网络现已遍及90多个国家/地区，拥有37Tbps的网络容量，并在全球200个城市部署数据中心。Cloudflare的每一个数据中心均启用了完整的DDoS缓解功能。为什么是不计容量，不设上限？根据Gartner近期发表的由Thomas Linte

Public @ 2019-03-19 16:17:16

什么是DDoS攻击

威海网站建设威海DDOS
2592

DDoS攻击是指利用多个计算机或者设备向一个网络服务器或者网站发起大量的无效请求，导致该网络服务器或网站超过其承受范围而崩溃的攻击行为。DDoS（分布式拒绝服务攻击）是一种比较常见的网络攻击方式，通常攻击者会通过控制一些主机或者设备，将大量恶意流量集中发往目标服务器，从而使服务器无法正常响应合法用户的请求。DDoS攻击可以对目标服务器或者网站造成严重的影响，导致业务停滞、造成经济损失或者泄露用户信

Public @ 2023-04-21 04:50:08

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[ DB ] CONNECT:[ UseTime:0.023630s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.016771s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.015985s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.017100s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.015664s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016943s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7531 LIMIT 1 [ RunTime:0.016692s ]
[ 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:0.016356s ]
[ 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:0.016509s ]
[ 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:0.016296s ]
[ 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` = 7531 LIMIT 1 [ RunTime:0.016166s ]
[ 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=7531 [ RunTime:0.019367s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 LIMIT 1 [ RunTime:0.022791s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.056387s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海DDOS' AND `status` <> -1 LIMIT 1 [ RunTime:0.026958s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海DDOS' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.032656s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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