93 questions
I think these factors affect the maximum number of TCP connections that could be established simultaneously.Network Bandwidth and NIC SpeedSYN queue and accept queue lengthMaximum number of open fd (R...
How do I view the communications of proprietary applications installed on my PC?When I looked at this communication using Wireshark, I found that the communication with the server was encrypted with S...
As you can see in the attached image, regarding the authentication screen displayed when entering the wifi spot area in cafes, how is this displayed?I think I'm taking action after receiving some kind...
I installed Ubuntu Server for SVN, but I am having trouble connecting from outside the router.I tried opening the port to try an SSH connection, but the ping (global IP specification) didn't go throug...
Thank you for your help.This is a question about the TCP socket.In order to ensure response speed, I would like to keep the socket connection connected all the time and reconnect if the connection is ...
After doing a lot of research around the network, I came up with some questions about how IP addressing works.■How I came to question ①PS4 is not connected to WiMAX (can be connected, but not due to D...
Take lessons about NAT and benefit from using itThere are three things that were raised.I understand the first two, but what does the third increase in security mean?In my understanding, the internal ...
Unable to connect to MySQL remotely.We have two AWS lightsail instances (Ubuntu 14.04.5) and are trying to connect from one to the other.Both versions of MySQL are 5.6.35.The last thing I want to do i...
I learned that NAPT assigns a port number in addition to an IP address so that one internal global IP address can be used by multiple hostsThere is also an upper limit (1024-65535) on the number of po...
For example, every time I type characters such as Google Suggest, I communicate with the server (HTTP request), but Communication (HTTP request) is asynchronous, so we will make a new request without ...
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