During the establishment of a tcp connection, If the server returns syn and ack messages, The client does not confirm it for some reason. This is because the server needs to retransmit the syn + ack message and wait for the client's confirmation message until the tcp connection timeout. This state of waiting for the client to confirm the connection is usually called a half-open connection. The half-open connection will be kept in the connection table of the server until the connection is disconnected.
弟弟啊，做生意，就是交朋友，朋友越多，生意越好做。
星庭之战已经过去六个月，那场战役给霍金斯镇带来了灭顶之灾，自此以后人心惶惶。在想尽各种办法之后，我们这群朋友们首次各奔东西，他们努力应对复杂的高中生活，但这并没有让事情变得更容易。在这个最脆弱的时代，一个可怕的全新超自然威胁浮出水面，并抛出了一个可怕的谜题，如果能够解开这个谜题，就可能从彻底终结恐怖的颠倒世界。
该剧讲述死守犯罪现场的黄金时间的112中心的成员们和撼动韩国的极其凶恶的网络犯罪中被称为“Dr. Fabre”的Dark Web背后的巨大的犯罪大鳄对抗的故事，是成员们和犯罪的第三次记录。
Actor:
主人公佟承勋是一位出身名门，八旗后裔。父亲身居高官，又救过慈喜的命，对太后忠心耿耿。对承勋的改良变法抵制，为此，父子经常闹的不开心。在承勋的一再支持策划下，维新变法开始了。很快得罪慈喜、李连英、贺世龙等保守派的利益。关键时刻，袁世凯的叛敌，宫廷政变彻底失败。六君子血染午门，承勋也入狱待毙。为保儿子，老父向慈喜求情，将罪名揽在自己身上，上吊自尽。承勋被放，见家中哀声一片，才知缘由，跪在灵前叩头坠地，血泪纵横，凄惨之极。因平日与贺世龙结怨，贺借机落井下石，耸恿太后，说承勋是幕后的执使，想致太后死地。慈喜勃然大怒，接受了贺的毒计，佟家满门被抄，老父尸抛荒野，鞭挞二百，十八岁以下的男丁被阉入宫，余下人等世代为奴，永不翻身。 马素心（蓝洁英）是七品县令的二小姐，一晚在回家途中，被人贩子摞去，准备运出京城时，被承勋救下，成为知音。佟家遭难，素心向父求助，并与哥哥离家出走，重男轻女的老父无奈，花银十万两，买通狱吏，成为马家的奴隶。素心得知，欢喜不已，而承勋憔悴不堪，已几夜不眠。在素心哥哥的帮助下，
With the popular rapid iteration, the way of product planning and design one year in advance is no longer feasible, because the plan cannot keep up with the changes. In March and April of the following year, in the face of the new market trend, production simply did not have time to respond.
至于那么不长眼的联军将领和士兵，用不着自己动手，他们的死期也就到了。
/greetings
If you still have one month to live, how do you plan to spend it? The most common answer is to spend the last time peacefully with your lover.
无欲无求，只想做好本分。
现在有刘邦带领着，他们多半会加入其中，趁火打劫。
The baby boy's condition became worse and worse. He contracted pneumonia, developed high fever and dyspnea. After repeated rescue, he died six months later.
V-grooves must be opened between the splicing boards. The V-grooves should be opened from both sides of the PCB. Under normal circumstances, the V-grooves should be opened by 1/3 on both sides of the PCB, i.e. If the thickness of the board is 1.6 mm, the depth of the V-grooves on both sides of the board should be 0.53 mm;;
对项羽他们是多有同情，楚人必然会仇恨杀死项羽之人。
宇宙中的神秘组织似乎对能源核感兴趣，然而五位超人在拯救星星球时失踪了，黑暗势力悄然来袭，谁能承担起守护能源核的重任？
SNMP's amplification attack principle is similar to NTP's. This method mainly uses SNMPv1's Get request and SNMPv2's GetBulk request to amplify traffic.
