Is it correct to understand the working level of forward proxy reverse proxy transparent proxy? CCNA 200-301 book release date. Forward...

If the client is connected to port 80 of the server, all data is sent to port 80. At this time, the port in tcp protocol is 80. However,...

Home Internet access is NAT, and Ping is not connected to other IP on the network segment (confirm online). What isolation technology is...

How to ensure that the authentication information (AccessToken, etc.) sent by the client is not obtained or forged? Which encryption...

We know that the PDU of the application layer is a message, and finally becomes the bit stream of the physical layer to propagate, so...

Recently, I was reading the article about TCP connection. I have a doubt. I hope you can help. Where is the connection-oriented feature...

First, let ’s make a statement. The default route and default route (Default Route) of all devices on the earth are “0.0.0.0”. The device...

TCP transmission information always misses, and then how to deal with the missing information in the next transmission? Although TCP is a...

How to understand that TCP at the transport layer is byte-oriented and UDP is message-oriented? The two are defined by whether they will...

Recently, I suddenly remembered that the state of last_ack seemed to be used. The party who actively cut off the connection intentionally...

Since the IP protocol can also perform connectionless and unreliable transmission of data, why do you need the UDP protocol? Protocol...

I don't know from which day, the three words of cloud computing will slowly enter people's field of vision. At first, it was only...

When I studied computer network, I found that what the book says is completely different from reality. I was puzzled for a long time...

For students who have studied the TCP / IP protocol, this is not a problem, the IP protocol. For the public, more explanation is needed....

The new Cisco EI CCIE enterprise infrastructure has been released, and RS routing exchange has officially withdrawn from the arena of...

The interview asked "the server is not responding" when the client accesses the server, how to troubleshoot the problem. How should such...

I don't understand the basics of computer networks. Why does the TCP protocol require a three-way handshake, and how can it ensure...

The technology that combines "dynamic token" and "key agreement" is virtual private network (VPN) technology. So what is a dynamic token?...

Q1: The router works at the IP layer and is responsible for the communication of different IP devices. The switch works at the data link...