Reference: Baidu Encyclopedia-Application Double Opening
Now, let's imagine why these "checkpoints" are called "chains" in iptables. As we know, The purpose of a firewall is to match "rules" for passing messages, Then execute the corresponding Action, So, when the message passes through these checkpoints, You must match the rules on this level, However, there may be more than one rule on this level, But there are many rules, When we put these rules in a chain, A "chain" has been formed. Therefore, we imagine each "checkpoint" as shown in the following figure. In this way, it is more appropriate to call them "chain". Each message passing through this "checkpoint" must match all the rules on this "chain". If there are qualified rules, the corresponding actions of the rules will be executed.
(Update 11.22)
与此同时，徽王府纸币也不知不觉在东南府县流行开来，此类纸币远比朝廷那名存实亡的纸币要有威信太多，随时可以在苔湾换取真金白银，而苔湾已经渐渐淘汰了金银交易，更多的金银涌入金库，更多的纸币得以发行。
HTTP slow attack is to use the normal interaction mechanism of HTTP protocol to establish a connection with the target server first, and then keep the connection unreleased for a long time. If an attacker continues to establish such a connection with the target server, the available resources on the target server will be exhausted and normal services cannot be provided.
童年很小就辍学，常干些摆摊赚钱贴补家用的活，逆境中练就了勤奋、吃苦的个性。
Mode of action: Purple bubbles are generated by the affected object, and HP is reduced every 0.5 S for the poisoned object.
Maybe I am a. Forget it, I wish everyone an early brush to the night talk egret ~
"Sex and the City" 是发生在纽约曼哈顿四个单身女人身上的故事。她们都事业成功，都时髦漂亮，都已不再年轻却自信魅力四射。她们共享彼此间牢固的友谊，也都面临共同的问题：在这充满欲望和诱惑的都市里，寻找真正的爱情和归宿。
该剧由Robert Thorogood编剧，Ben Miller和Sara Martins主演，讲述了一个鱼离开水的故事。一名警察被发现死在了圣玛丽的岛上，Richard Poole督察受命进行调查。对别人而言是天堂的小岛，对Richard而言却是地狱，因为他讨厌阳光和沙滩。但他对破案很有心得，他与当地警方合作，一同破解一桩桩错综复杂的谋杀案。
再者，即便是尹旭有心，也力不从心。
当她工作的医院被运送到月球上时，医学生玛莎·琼斯与医生联手在氧气耗尽前追捕一名外星逃犯
该部由Les Bohem开发的剧，讲述的是洛杉矶某犯罪财团经营的一家街头占卜店里的一名员工突然鬼迷心窍，发现自己能看到虚幻的事物，从而想要挑战人生的故事。
他们兄弟并未分家，故而张家是不用服兵役的，除非自己想以武入仕。
叶枫并不是一名弱质女子，她走私军火，贩卖人口，国际刑警屡次逮捕，都让她神通广大的逃脱，叶枫将于十日之内在中缅边界旳加莱镇接收一批有史以来最庞大的生鸦片大买卖。
该剧以“川盐济楚”的史实为背景，通过四川“四大盐商”与清朝名臣的斗争再现了中国近代工业萌芽时期的历史。于2008年12月1日在上海东方影视频道首播。
故事发生在南方某中小城市两个普通的家庭里……这一天，是华芸宝贝女儿巧巧的五岁生日，华芸在家忙着做菜，巧巧在给妈妈表演节目，母女俩在欢快的气氛中等待着家中男主人公冯楠，然而一等再等，冯楠始终不归，傍晚时分，门铃终于响了，然而进来的并不是冯楠，而是两名身穿制服的检察官……
