the entire Internet is made up of countless subnets, and when you enter an address from a browser and go back to access resources on another computer, the first step is DNS parsing to get the ip address of another computer. at this point, the first th...
looking at the https process, there is a question: why does https need to use a secret key exchange such as ecdh? keep it simple: the client randomly generates the hash value of the AES secret key AESKey, request data sign encrypt the AESKey+sign...
is analog signal transmission or digital signal transmission used in frequency division multiplexing in the following figure? why is so little bandwidth used? I read in a book that the digital signal transmits voice at 8 bits and takes 8000 samples per ...
when the company s internal network accesses our own background, the connection often times out. However, there is no problem with visiting other websites. As long as we do not use our company s local area network, we can normally access the background...
give me a general description of my problem. switch router IP: 192.168.1.1 wifi router IP:100.23.1.1 (the router uses the switch cable) wifi user assignment IP: 100.23.1.xxx Mobile phone users can access 192.168.1.1 my mac cannot access 192.168.1....
I am a rookie. I also read a lot of http materials on the Internet, but I only saw what he wrote, but I didn t understand what he meant again. The problem is this: currently the cross-domain problem is solved by setting Access-Control-Allow-Origin: *...
1) restore bitstream to frame; 2) decide which path to use to transfer data to the destination; 3) error control; 4) congestion control; 5) flow control; 6) Transmission medium ...
how is the ack determined when the sender sends multiple message segments at the same time under the tcp protocol, and how does the seq determine when the receiver confirms the connection ...
how to use to control the output of the front power supply on the back of the LAN network port of the fixed-weft psw series 30-36 power supply. Thank you for more details. ...
function connect() { var socket = new SockJS( socket ); stompClient = Stomp.over(socket); stompClient.connect({}, function (frame) { setConnected(true); }); console.log("...
win10ftpftp: 192.169.5..., ftp...
1. I just used Android studio3.2 to build the NDK development environment. I created a new Android project, and then chose to include cPP, but I often reported an error after the project was completed. I didn t find out the reason for it all day. Ask f...
:checked= "true "checked= "checked " ...
has been implementing a feature recently. Use php curl to submit data to post to query a station to query the order page (because the function of the station is not open to api, so I want to use curl to simulate the form to submit the query). After writi...
what is written on the current page is the input box that resets the password with only the password. After submitting the form, the browser jumps to log in, and then the browser gives a hint whether to remember the password and turns out to be like this...
I just saw a PHP reversible encryption algorithm on csdn, in which ord (), chr () operation ASCII, is used. Will it be a problem if it is encoded in Chinese, because there is no corresponding ASCII; in Chinese ...