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libcurl网络连接使用tcp/ip - C/C++ - 清泛网 - 专注C/C++及内核技术
libcurl网络连接使用tcp/iplibcurl网络连接使用tcp ip，部分代码如下：CURL *curl;CURLcode res;const char *request = "GETas.xxxxE测试发送"; curl_socket_t sockfd; * socket * ...部分代码如下：
CURL *curl;
CURLcode res;
const char *request = "GETas.xxxxE测试发送";
...
Linux iptables防火墙开放mysql、apache的端口 - 操作系统(内核) - 清泛网 ...
...sql、apache的端口vi etc sysconfig iptables 修改配置，添加两条tcp端口允许的记录：[root@iZ23rlmiwviZ ~] cat etc sysconfig iptables sample configuration for iptables service vi /etc/sysconfig/iptables 修改配置，添加两条tcp端口允许的记录：
[root@iZ23rlmiwvi...
How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
.... Nobody is ever in the "connected" state.
For a stateful protocol (like TCP), a connection is identified by a 4-tuple consisting of source and destination ports and source and destination IP addresses. So, if two different machines connect to the same port on a third machine, there are two disti...
What ports does RabbitMQ use?
....0.0.1)
Host is up (0.00041s latency).
PORT STATE SERVICE
443/tcp open https
5672/tcp open amqp
15672/tcp open unknown
35102/tcp open unknown
59440/tcp open unknown
Oh look, 5672, and 15672
Use netstat:
netstat -lntu
Active Internet connections (only servers)...
Efficiently test if a port is open on Linux?
...
A surprise I found out recently is that Bash natively supports tcp connections as file descriptors. To use:
exec 6<>/dev/tcp/ip.addr.of.server/445
echo -e "GET / HTTP/1.0\n" >&6
cat <&6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr....
What are named pipes?
...d default exists (much like port 80 for HTTP, SQL server uses port 1433 in TCP/IP; \\.\pipe\sql\query for a named pipe).
By setting up additional named pipes, you can have multiple DB servers running, each with its own request listeners.
The advantage of named pipes is that it is usually much fas...
How many socket connections can a web server handle?
...edicated hosting, I read somewhere a server/machine can only handle 64,000 TCP connections at one time, is this true? How many could any type of hosting handle regardless of bandwidth? I'm assuming HTTP works over TCP.
...
Command line for looking at specific port
... -np <protocol> | find "port #"
So for example to check port 80 on TCP, you can do this: netstat -np TCP | find "80"
Which ends up giving the following kind of output:
TCP 192.168.0.105:50466 64.34.119.101:80 ESTABLISHED
TCP 192.168.0.105:50496 64.34.119.101:80 ESTAB...
Is it safe to parse a /proc/ file?
I want to parse /proc/net/tcp/ , but is it safe?
7 Answers
7
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如何高效的学习掌握新技术 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...面的元素和交互拆分成若干基础组件。
和服务器进行通信
一个完善的程序，离不开和服务端的交互，对于一个React程序，其和服务端交互的方式，和传统应用程序，并不全相同，并且对于和服务器通信的结果数据，还要和...