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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...
How to sort an array of objects with jquery or javascript [duplicate]
... answered Mar 31 '11 at 17:44
HåvardHåvard
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How do you find the last day of the month? [duplicate]
...ed Nov 2 '10 at 15:07
Øyvind BråthenØyvind Bråthen
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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?
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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....
Redirect all output to file [duplicate]
...dited Oct 23 '14 at 9:48
David Pärsson
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answered Jul 13 '11 at 5:16
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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...
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.
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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
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