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带宽下载速度之间单位换算

1Mbps=125KB/s

Public @ 2023-03-03 01:00:03

FTP常见错误及解决办法

威海网站建设威海FTP
1796

提示：首先确定打开了FTP连接端口21，检查系统防火墙是否开启了21端口例外。错误提示如下图所示：530 Login authentication failed图片1.png这个一般是FTP用户密码错误，重置密码即可。220 You will be disconnected after 15 minutes of inactivity. 命令: AUTH TLS错误提示如图：图片2.png解决办法

Public @ 2018-06-06 15:45:55

浅谈虚拟主机网站安全设置

在如今的网络世界中，每个网站都面临着各方面的网络威胁，其中最常见的如：cc攻击、Ddos攻击、xss攻击、sql注入、上传漏洞、挂马、篡改等，接下来简单的谈下如何防护此类攻击，主要从两个方面，一是网站程序；二是西部数码虚拟主机设置方面。一、网站程序安全建议1.如您使用的知名系统，比如织梦，要注意及时升级补丁到最新程序。2.后台登录地址不能用常规的/admin、/system等，建议改成稍复杂的路径

Public @ 2018-11-17 16:00:37

网站的速度和哪些信息有关呢？

网站的速度和访问者的网络环境、页面大小、服务器响应时间、网站的优化程度、页面的缓存以及网站所使用的脚本和插件等因素有关。同时，使用CDN内容分发网络、压缩和合并资源文件等优化措施也可以提高网站的速度。

Public @ 2023-04-13 23:50:18

带宽下载速度之间单位换算

带宽和下载速度都是网络传输速度的单位，它们之间的换算关系如下： 1 Mbps（兆比特/秒）= 1024 Kbps（千比特/秒） 1 Mbps = 0.125 MB/s（兆字节/秒） 1 GB（千兆字节）= 1024 MB（兆字节）因此，如果您的带宽为20 Mbps，则您最大的下载速度为： 20 Mbps × 0.125 = 2.5 MB/s 或者，如果您的下载速度为5 MB/s，则您

Public @ 2023-06-14 19:00:13

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.025036s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.017994s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.016931s ]
[ 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:0.017729s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.016576s ]
[ 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:0.018383s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6192 LIMIT 1 [ RunTime:0.017008s ]
[ 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:0.017333s ]
[ 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:0.017668s ]
[ 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:0.018135s ]
[ 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` = 6192 LIMIT 1 [ RunTime:0.016879s ]
[ 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+2 where id=6192 [ RunTime:0.018493s ]
[ 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:0.028694s ]
[ 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` = '威海网站建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.052011s ]
[ 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` = '威海网站访问速度' AND `status` <> -1 LIMIT 1 [ RunTime:0.024430s ]
[ 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` = '威海网站访问速度' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034274s ]
[ 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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