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30条爆笑的程序员梗 PHP是最好的语言 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...道当年他问B的究竟是什么问题……
29.笑话
我想听一个 TCP 的笑话。
你好，你想听 TCP 的笑话么?
嗯，我想听一个 TCP 的笑话。
好的，我会给你讲一个TCP 的笑话。
好的，我会听一个TCP 的笑话。
你准备好听一个TCP 的笑话么?
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Comparing HTTP and FTP for transferring files
...aster. FTP requires a control channel and state be maintained besides the TCP state but HTTP does not. There are 6 packet transfers before data starts transferring in FTP but only 4 in HTTP.
I think a properly tuned TCP layer would have more effect on speed than the difference between application...
Rails server says port already used, how to kill that process?
...ype this in your terminal to find out the PID of the process:
$ lsof -wni tcp:3000
Then, use the number in the PID column to kill the process:
$ kill -9 PID
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...
stop all instances of node.js server
...NING" | find "8080"
The fifth column of the output is the process ID:
TCP 0.0.0.0:8080 0.0.0.0:0 LISTENING 14828
TCP [::]:8080 [::]:0 LISTENING 14828
You could then kill the process with taskkill /pid 14828. If the proces...
node and Error: EMFILE, too many open files
.../OFF NODE NAME
...
nodejs 12211 root 1012u IPv4 151317015 0t0 TCP 10.101.42.209:40371->54.236.3.170:80 (ESTABLISHED)
nodejs 12211 root 1013u IPv4 151279902 0t0 TCP 10.101.42.209:43656->54.236.3.172:80 (ESTABLISHED)
nodejs 12211 root 1014u IPv4 151317016 0t...
What can be the reasons of connection refused errors?
...
If you try to open a TCP connection to another host and see the error "Connection refused," it means that
You sent a TCP SYN packet to the other host.
Then you received a TCP RST packet in reply.
RST is a bit on the TCP packet which indicate...
How to close TCP and UDP ports via windows command line
Does somebody knows how to close a TCP or UDP socket for a single connection via windows command line?
17 Answers
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Checking network connection
...p (0.0048s latency).
Not shown: 999 filtered ports
PORT STATE SERVICE
53/tcp open domain
Nmap done: 1 IP address (1 host up) scanned in 23.81 seconds
As we can see, 53/tcp is open and non-filtered. If you are a non-root user, remember to use sudo or the -Pn argument for Nmap to send crafted pro...
Open firewall port on CentOS 7
....
In the case of public try:
firewall-cmd --zone=public --add-port=2888/tcp --permanent
Then remember to reload the firewall for changes to take effect.
firewall-cmd --reload
Otherwise, substitute public for your zone, for example, if your zone is dmz:
firewall-cmd --zone=dmz --add-port=288...
LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...之前，必须验证该客户端。FTP验证度量仅适用于 FTP协议通信
Receive Time
显示从服务器收到最后一个字节并完成下载之前经过的时间。接收度量是很好的网络质量指示器（查看用来计算接收速率的时间 / 大小比率...