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How to open a web server port on EC2 instance
...ly clear to me from the linked instructions, but you should select "Custom TCP". Otherwise you won't be able to change the port.
– KKOrange
Dec 12 '19 at 1:39
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What is the difference between ports 465 and 587?
...ice Name and Transport Protocol Port Number Registry
“Revoking the smtps TCP port” - Email from Internet Mail Consortium director Paul Hoffman, 12 Nov 1998.
RFC 6409 - Message Submission for Mail
RFC 5321 - Simple Mail Transfer Protocol
RFC 3207 - SMTP Service Extension for Secure SMTP over Tran...
程序员之网络安全系列（五）：数字证书以及12306的证书问题 - 更多技术 - ...
...zon.com的公钥A, 然后我们就可以用这个公钥A和amazon.com进行通信，因为只有amazon.com 有私钥B, 所以只有amazon.com才能解开信息。
注意 权威机构的证书都是内置在操作系统里的。
由此可见，一个证书受不受信任，那就要看你要不...
Redis - Connect to Remote Server
... Action From
-- ------ ----
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6379/tcp ALLOW Anywhere
6379/tcp (v6) ALLOW Anywhere (v6)
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# To open the port
$ sudo ufw allow 6379/tcp
Restart Redis service
Do not forget to restart the Redis service for changes...
What port is a given program using? [closed]
...need more functionality than netstat provides, vasac suggests that you try TCPView.
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Find the host name and port using PSQL commands
...stat -plunt |grep postmaster
and you will see something similar as this
tcp 0 0 127.0.0.1:5432 0.0.0.0:* LISTEN 140/postgres
tcp6 0 0 ::1:5432 :::* LISTEN 140/postgres
in this case, port number is 5432 whi...
Linux: is there a read or recv from socket with timeout?
...w, select, pselect, poll, has a timeout field, but using of them disables "tcp fast-path" in tcp reno stack.
5 Answers
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BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...动一个ServerSocket，然后在客户端启动Socket来对服务端进行通信，默认情况下服务端需要对每个请求建立一堆线程等待请求，而客户端发送请求后，先咨询服务端是否有线程相应，如果没有则会一直等待或者遭到拒绝请求，如果有...
MySQL Workbench: How to keep the connection alive
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If you are using a "Standard TCP/IP over SSH" type of connection, under "Preferences"->"Others" there is "SSH KeepAlive" field. It took me quite a while to find it :(
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A transport-level error has occurred when receiving results from the server [closed]
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Try the following command on the command prompt:
netsh interface tcp set global autotuning=disabled
This turns off the auto scaling abilities of the network stack
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