[原创]java主机禁止某些IP访问的方法_威海佰年网络技术有限公司_网站建设_软件开发_私有云_商标注册_公众号_小程序_APP_物联网_ChatGPT

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[原创]java主机禁止某些IP访问的方法

一、编辑conf/server.xml文件修改配置，添加以下两个valve组件，并进行相应的配置，来禁止某些IP的访问：这里可以配置多个IP，用“|”分隔，如禁止了某一个host访问，127.0.0.1会被视为另外一个主机地址，所以也必须加上127.0.0.1.，其后的四块数字使用\.\d+匹配二、使用IP限定过滤器首先，增加一个IP限定过滤器，参考配置如下： IPFilter org.apache.catalina.filters.IpFilter deny 203.202.177.119,@foobar allow 127.\d+.\d+.\d+,@localhost 接着，在需要限制访问的context或host中，增加以下配置： ... IpFilter .. 注意：只有context或host上添加了IPFilterValve之后，上面所定义的IPFilter才会生效。三、使用 “ Allow/Deny ” 定义在context或host的配置中，添加如下配置： ... ... 这里可以配置多个IP，用“|”分隔。总而言之，通过上述三种方式，可以实现Java主机禁止某些IP访问的功能。

Public @ 2023-03-01 21:00:42

带宽下载速度之间单位换算

带宽单位一般使用的是比特（bit）或字节（byte）。 1 byte = 8 bit 常用带宽单位： 1 Kbps = 1000 bit/s 1 Mbps = 1000 Kbps 1 Gbps = 1000 Mbps 因此，如果你有一个1Mbps 的带宽，它意味着你的下载速度最大不会超过 1,000,000 bit/s 或者 125,000 byte/s。使用 Byte/s

Public @ 2023-06-13 07:50:09

网页常用小技巧

下面是javascript的40个网页常用小技巧，对网站开发人员相信会有帮助。1. oncontextmenu="window.event.returnValue=false" 将彻底屏蔽鼠标右键<table border oncontextmenu=return(false)><td>no</table> 可用于Table2. <bo

Public @ 2011-01-24 15:45:19

Java主机如何设置默认首页文档？

一、在Eclipse中配置在Eclipse中，可以在“Preferences”菜单中找到“Server”项。在这里，你可以看到有一个“Default Home Page”文本框。在这里你可以输入你想要设置的默认首页文档，点击“Apply”按钮即可保存设置。二、在Tomcat中设置在Tomcat中设置默认首页文档也很简单，只需要找到Tomcat的“conf”文件夹，打开“contex

Public @ 2023-02-25 20:12:17

[原创]java主机禁止某些IP访问的方法

JAVA主机用的是tomcat来处理数据，所以不支持以前apche使用的.htacess方式，一般有两种禁止方法可以选择，一是在server.xml文件里面禁止，或者是修改程序代码。1.禁止IP，在tomcat_home/conf/server.xml中的<host></host>之间加一行代码：<Valve className="org.apache.ca

Public @ 2019-05-18 15:45:54

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[ DB ] CONNECT:[ UseTime:0.024846s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.019005s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6132 LIMIT 1 [ RunTime:0.016884s ]
[ 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:0.017207s ]
[ 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:0.017632s ]
[ 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:0.017713s ]
[ 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` = 6132 LIMIT 1 [ RunTime:0.017037s ]
[ 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=6132 [ RunTime:0.019613s ]
[ 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:0.023667s ]
[ 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:0.061112s ]
[ 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` = '威海虚拟主机' AND `status` <> -1 LIMIT 1 [ RunTime:0.026806s ]
[ 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` = '威海虚拟主机' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.037159s ]
[ 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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