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Parsing IPv6 extension headers containing unknown extensions
...g to where I want to parse IPv6 headers to match things like ICMPv6 types, TCP/UDP port numbers, etc.
4 Answers
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Which $_SERVER variables are safe?
...ues are guaranteed to be the valid address of the client, as verified by a TCP/IP handshake. This is the address where any response will be sent to. REMOTE_HOST relies on reverse DNS lookups though and may hence be spoofed by DNS attacks against your server (in which case you have bigger problems an...
Remote Connections Mysql Ubuntu
...th your actual IP in the xxx's
mysqld 1046 mysql 10u IPv4 5203 0t0 TCP xxx.xxx.xxx.xxx:3306 (LISTEN)
If the above statement returns correctly you will then be able to accept remote users. However for a remote user to connect with the correct priveleges you need to have that user created i...
C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...truct sockaddr_in serverAddr;
s = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
if(s==-1){
fprintf(stderr,"create socket failed./n");
return -1;
}
bzero(&serverAddr,sizeof(struct sockaddr_in));
serverAddr.sin_family = AF_INET;
serverAddr.sin_port = htons(port);
serverAdd...
Connect Java to a MySQL database
...lved it, then you've a problem in your network/DNS/hosts config.
port: The TCP/IP port where MySQL server listens on. This is by default 3306.
databasename: The name of the database you'd like to connect to. That's javabase.
So the final URL should look like:
jdbc:mysql://localhost:3306/javabase
...
How do you make a HTTP request with C++?
...;
//return 1;
}
Socket=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
host = gethostbyname(url.c_str());
SockAddr.sin_port=htons(80);
SockAddr.sin_family=AF_INET;
SockAddr.sin_addr.s_addr = *((unsigned long*)host->h_addr);
if(connect(Socket,(SOCKADDR*)(&SockAd...
Can you explain the concept of streams?
...t files.
If I want to download a file from the internet, I have to open a TCP socket, make a connection, and receive bytes until there are no more bytes. I have to manage a buffer, know the size of the expected file, and write code to detect when the connection is dropped and handle this appropria...
Windows远程桌面授权错误（授权超时）等报错信息疑难解答 - 更多技术 - 清...
...安全 (IPsec) 来帮助保护在客户端与终端服务器之间基于 TCP 的通讯，那么将会产生数据包碎片。因此，部分数据包可能无法到达目的地，客户端到终端服务器之间的连接也可能会中断。
解决方案： 请将 IPsec 配置为保护基于 UDP ...
2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术
...获取。这是一种办法，现在还有基于erasure code本来是用在通信容错领域的办法，可以节约空间又达到容错的目的，大家感兴趣可以去查询。
接着说MapReduce，首先是个编程范式，它的思想是对批量处理的任务，分成两个阶段...
From inside of a Docker container, how do I connect to the localhost of the machine?
...
Sockets do not scale as well as TCP because they block more often and can cause weird behavior. Use TCP whenever possible.
– Joel E Salas
Jan 19 '16 at 21:54
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