A TCP connection is a quad, and a connection is uniquely determined by the source IP, the source port, the destination IP and the destination port. Therefore, if C wants to forge the packet from A to B, it should fill in the above-mentioned IP header and TCP header with the source IP, source port, target IP and target port. Here B is the server, IP and port are open, A is the target we want to attack, IP certainly knows, but the source port of A is not clear, because it may be randomly generated by A. Of course, if we can find out the rule of generating source port for common OS such as Windows and Linux, we can still do it. In addition, we can step on the connection port of Car A through a large number of controlled hosts.
1. First handshake: Establish connection. The client sends a connection request message segment, setting the SYN position as 1 and the Sequence Number as x; Then, the client enters the SYN_SEND state and waits for confirmation from the server.
The maintenance and testing institutions of fire-fighting facilities with secondary qualifications can be engaged in the testing, repair and maintenance of fire-fighting facilities for buildings with a single building area of less than 40,000 square meters, factories and warehouses with fire risks of less than Class C. Fire safety assessment institutions with secondary qualifications can engage in fire safety assessment of social units and consulting activities on fire laws and regulations, fire technical standards, rectification of general fire hazards, etc.
Tampering. When an attacker tampers with the contents of these registers, the attacker can cause the program to jump to the gadget address built by the attacker, thus implementing a JOP attack. A typical JOP gadget takes the form of:
Load Cache
superstar？Yes，曾经的superstar。眼下的境况是知名度下滑+家族生意遇到瓶颈。一堆破事要怎么办？干脆到国外去散心探望朋友并学习经营之道。时来运转，贵人降临。可是这个懂得那么多的工人怎么老爱捉弄她?和他做朋友？似乎也不赖只是，事情真的仅仅就那么简单？是机缘巧合，还是命中注定？一切等待她回到泰国后，谜底终将揭晓
Track and field is also the event with the most gold medals in the Olympics, so some people use the term "whoever wins track and field wins the world" to describe the position of track and field in the total number of gold medals in the Olympics.
一九七三年初，三线建设如火如荼进行中，北方某省的大山深处，代号“748”的小三线工厂扩建后，迎来了一批新职工。无论是外形样貌还是工作能力，风华正茂的路小青、左红卫、丁亚玲、李招弟、赵存根等人都是这批学徒中的佼佼者。在“748”工厂最辉煌的那几年里，几个年轻人经历了友情的考验、爱情的洗礼、工作的竞争、人生的迷茫。在长达几十年的峥嵘岁月里团结协助、追求梦想、改变自我，经历了情感纠葛、命运起伏、时代变迁，用激情和热血谱写了一曲荡气回肠的青春之歌。从青春年华到暮春之年，路小青把一生最好的时光和青春都献给了“748”厂，见证了它的辉煌、衰落、重生，一直到退出历史舞台。
20名学生周六留校，期间突然响起辐射污染报警铃声——这座小镇附近有一座大型化工厂，因此学校经常会组织疏散演习。学生们认为这次也是例行演习，于是在篮球教练的带领下躲进学校的放射性尘埃躲避所。但这次不是演习……警报解除之后，众人回到校园，却发现巨大的爆炸已经彻底摧毁整座小镇，校园大门外已经没有任何生命迹象。更让人恐惧的是，那些没有待在掩体里的人似乎被放射性物质感染了……
-Tail lights, 3 nautical miles;
这一个真实故事这个故事发生中国改革开放最前沿这个故事以男女主人公爱情而开始以男主人公伏法刑场女主人公身陷囹圄而告终……们通过爱情及营造一个有形家园寻找其灵魂归宿以获得精神上慰藉但温情背后掩饰两个人强烈物质个欲望和走各犯罪轨迹：肮脏勾结对公有财产侵害如同一朵开炼狱中恶之花从一开始就洽注定了毁灭因而们故事也就格外撼人心魄发人深省……
Console.log ("I finally saw Baidu's pen test questions");
现在这样不利的局面终究还是自己造成的，可以说是自食苦果。
同年，香港邵氏电影公司根据黄鹰两部小说投拍电影《天蚕变》。天蚕变的热潮仍未减退。
傲天不慎得罪当地恶势力，招来杀身之祸，幸得啸山舍命相救，二人兄弟情义更深。当啸山混得有声有色时，他越来越放肆的手段不慎得罪军阀，被对方追杀，啸山只得逃离上海。但啸山的野心未有因此而熄灭，并借着在武备学堂结识的人脉，靠拢军阀，逐渐建立起自己的武装力量。
该剧讲述了父亲老曾在昏迷醒来后，面对曾经幸福现在暗流汹涌的家庭，他用自己独特的方式介入到四个子女的生活，在不停的碰撞中改变了子女，也改变了他自己的故事。
This series is above the expectations they had about it. It is very fast (beyond the tempo of each episode) conflicts are able to develop and resolve in each episode. Which for one as a spectator is very good since the rhythm is never lost.
那里，有绵延的绿色田野。
