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Difference between TCP and UDP?
What is the difference between TCP and UDP?
12 Answers
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TCP vs UDP on video stream
...estion they asked us was "If you are going to stream video, would you use TCP or UDP? Give an explanation for both stored video and live video-streams" . To this question they simply expected a short answer of TCP for stored video and UDP for live video, but I thought about this on my way home, and...
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...
Freeing up a TCP/IP port?
...tening for http requests on port 80 (run as root or use sudo):
# fuser 80/tcp
If you want to kill them, then just add the -k option.
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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...
Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_rmem = 4096 4096 16777216
net.ipv4.tcp_wmem = 4096 4096 16777216
net.ipv4.tcp_mem = 786432 2097152 3145728
net.ipv4.tcp_max_syn_backlog = 16384
net.core.netdev_max_backlog = 20000
net.ipv4.tcp_fin_timeout =...
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";
...
Connection to SQL Server Works Sometimes
...
It turned out that TCP/IP was enabled for the IPv4 address, but not for the IPv6 address, of THESERVER.
Apparently some connection attempts ended up using IPv4 and others used IPv6.
Enabling TCP/IP for both IP versions resolved the issue.
Th...
In C#, how to check if a TCP port is available?
In C# to use a TcpClient or generally to connect to a socket how can I first check if a certain port is free on my machine?
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
...ng infinite performance from hardware, can a Linux box support >65536 open TCP connections?
3 Answers
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