[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

如何更换本机DNS

威海网站建设威海dns
2789

计算机上网需要dns解析域名方可将域名和空间服务器上内容对应起来，所以能上网的计算机都要配置一个dns进行解析域名。不同网络不同地区使用的dns各不相同的，而这个dns是由您当前网络供应商提供，更改本机DNS 可以测试域名解析和网站访问。一、下载工具重置点击下载：打开工具点击“自定义”即可自动设置成功。blob.png刷新dns缓存,点击软件中"清缓存"按钮即可,可以多次点击清

Public @ 2012-12-27 15:45:37

带宽下载速度之间单位换算

常用的带宽单位是Mbps，下载速度单位是MB/s。它们之间的换算关系如下： 1Mbps = 0.125MB/s 例如： - 如果您的带宽是100Mbps，您的下载速度最大可能达到12.5MB/s； - 如果您的下载速度是10MB/s，您的带宽至少应该达到80Mbps。

Public @ 2023-06-10 01:50:06

流量的算法是怎么算的?每月10G是什么意思？

流量的算法一般是按月度计费算法，表示每月10G流量。即每月有10G可供使用的数据流量，超出10G则会产生额外的费用。比如，20G流量就会收取20G-10G=10G的流量费用。

Public @ 2023-02-25 21:00:09

虚拟主机续费流程

虚拟主机续费流程mi.jpg1.点击www.west.cn 登录账号denglu.jpg2.点击充值预付款进行充值chongzhi.jpg3.点击管理中心-业务管理-虚拟主机管理-续费，进入续费页面xunixufei1.jpg4.选择年限，提交续费（划重点，续费多年有限时的赠送时间优惠哦）xunixufei2.jpg5.完成续费，检查到期时间是否更新正确xunixufei3.jpg温馨提示1

Public @ 2010-09-11 16:00:46

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[ DB ] CONNECT:[ UseTime:0.028574s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.020072s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6132 LIMIT 1 [ RunTime:0.019214s ]
[ 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:0.019260s ]
[ 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:0.019634s ]
[ 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:0.019633s ]
[ 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:0.018915s ]
[ 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=6132 [ RunTime:0.019717s ]
[ 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:0.026101s ]
[ 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:0.042949s ]
[ 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` = '威海虚拟主机' AND `status` <> -1 LIMIT 1 [ RunTime:0.025781s ]
[ 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` = '威海虚拟主机' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.043096s ]
[ 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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