大约有 1,300 项符合查询结果(耗时:0.0203秒) [XML]

https://www.tsingfun.com/it/tech/896.html 

Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...理有Bug,DHCP租期到了不会主动续约并且会继续使用过期IP,这个问题会造成TCP长连接偶然的断连。(租期问题的具体描述见附录6.2)。 3、网络状态变化 手机网络和WIFI网络切换、网络断开和连上等情况有网络状态的变化,也会...
https://www.tsingfun.com/it/cpp/1441.html 

Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术

...#include <winnt.h> #define PING_TIMES 2 //ping 4 次 typedef struct _IPINFO { unsigned char Ttl; // Time To Live unsigned char Tos; // Type Of Service unsigned char IPFlags; // IP flags unsigned char OptSize; // Size of options data unsigned char FAR *Options; // Options ...
https://stackoverflow.com/ques... 

What is the largest TCP/IP network port number allowable for IPv4?

... @JessieArr Most IP stacks use a tuple of Source IP address, Source port, Destination IP address and Destination port as a unique identifier for connections. This means that a server can have many many more active connections than there are a...
https://stackoverflow.com/ques... 

How can I redirect HTTP requests made from an iPad?

Since on an iPad we cannot edit the hosts file (without jailbreaking), how can we arbitrarily redirect web traffic to another url? ...
https://stackoverflow.com/ques... 

Lost connection to MySQL server at 'reading initial communication packet', system error: 0

...ggests that it might be because the MySQL server is bound to the loop-back IP (127.0.0.1 / localhost) which effectively cuts you off from connecting from "outside". If this is the case, you need to upload the script to the webserver (which is probably also running the MySQL server) and keep your se...
https://www.tsingfun.com/it/op... 

ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术

...用“连接”这一点是为了描述模型工作的实际情况,即使IP多播或UDP等无连接的底层传输亦是如此。 第2点说明所有拓扑里的应用程序应该就什么达成一致:正被传送的消息(比如“这是一张需调整尺寸的图片”或“这是调整后的...
https://www.tsingfun.com/it/tech/472.html 

CentOS 6.4下Squid代理服务器的安装与配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...一份到自己的数据缓存中。 Squid代理服务器工作在TCP/IP的应用层。 1.2 Squid 分类 按照代理类型的不同,可以将Squid 代理分为正向代理和反向代理,正向代理中,根据实现方式的不同,又可以分为普通代理和透明代理。 普...
https://stackoverflow.com/ques... 

How Can I Download a File from EC2 [closed]

... Use scp: scp -i ec2key.pem username@ec2ip:/path/to/file . where: ec2key.pem is your PEM key username is the username you log in with ec2ip is the IP or DNS alias of the instance /path/to/file is the location where the file is stored This will copy the file i...
https://www.tsingfun.com/ilife/idea/895.html 

“历史遗留”漏洞:浅析新型SSL/TLS漏洞FREAK - 创意 - 清泛网 - 专注C/C++及内核技术

...S网站受到影响 当我们对超过1.4亿支持SSL/TLS的网站进行扫描后,发现其中至少有36%的个体存在该漏洞,并支持出口级RSA加密。 在上世纪90年代,破解512位的密钥需要出动超级电脑。而今天,我们只需要花费7小时+约100美金,就...
https://www.tsingfun.com/ilife/tech/851.html 

如果你一心只想赚钱 那就别创业了 - 资讯 - 清泛网 - 专注C/C++及内核技术

...雅虎内部,谷歌还会继续它那疯狂的使命性计划么?还会扫描全世界的图书馆或收集所有学术性论文么?Facebook还会继续用状态更新与持续不断的移动新产品来连接世上的每个人么? 在这两个例子中,公司财务上的成功与他们...