port protocol

A host that communicates in the same network (which is not specifically referred to as an Ethernet network) must have the MAC address of the target host to correctly send the data to the target host, so how to know the MAC address of the target host. Can be passed through the ARP protocol. The ARP protocol is used to obtain the corresponding MAC address of the destination IP address, that is, the ARP

It is very convenient to install ftp on a Linux server to provide users with upload and download. However, if your server has enabled the iptables firewall, you need to set the ftp port. I have also used iptables to allow access from a port. why do I need to demonstrate the ftp port? Because the ftp port is really spec

This time, say "ports" and "Port numbers".Usually hear people say "open port 80th", in order to secure "do not open redundant ports" and so on. So, what are the ports or port numbers here?First, the "port" is a concept used on TCP or UDP and is often likened to "windows". Also, the

checksum is correct. You can analyze the data. //Analyze Data//slightly//because you want to access the UI resource, you need to use Invoke to synchronize the UI. This. Invoke ((EventHandler) (Delegate { //determine if it is displayed as 16 forbidden if(checkboxhexview.checked) {//stitching out 16 binary strings in turn foreach(byteBinchbuf) {Builder. Append (B.tostring ("X2") +" "); }

different physical machines are consistent. In order to solve this distributed consistency problem, predecessors summed up many typical protocols and algorithms during the repeated trade-offs between performance and data consistency. Among the more notable are the second-order commit protocol (two Phase commitment Protocol), the Sankai commit protocol (both Phas

" acceptcount= "100" connectiontimeout= "20000" disableuploadtimeout= "true"/> Change the Redirectport port number to: 443 2.SSL http/1.1 Connector defined place, modify the port number to: 443, as follows: port= "443" maxhttpheadersize= "8192" maxthreads= "minsparethreads=" "25" maxsparethreads= "75" Enablelookups= "false" Disableuploadtimeout= "true" Acceptcoun

side wants this multicast. Please send me a copy (alert ). Router B: OK. I will send you a copy of the multicast later. (Add the router port associated with router A to the exit of (S, g ). PC 1: It seems useless... Boss, I don't want it anymore. Don't send it to me. Router A: Nima, are you playing with me? No. Router B no one on my side wants this multicast, so I don't have to send it again (pruned pruning ). Router B: OK. (Remove the router

Vamei Source: Http://www.cnblogs.com/vamei Welcome reprint, Please also keep this statement. Thank you!"The trumpet starts to broadcast", if you know this, you must be the older generation. "Little Horn" is a radio program for children from the 50 's to the 80 's. At the beginning of the program, there will be a kind of broadcast: "Children, small speakers began to broadcast!" "Hearing here, the children in front of the radio get excited and ready to listen to the program: This issue is the Ethe

Commax serial port ing master Keywords: serial port to TCP serial port to udp tcp to serial port UDP to serial port Commax is a professional tool for RS232 ing RS232/422/485 serial port data and network data. It can work indep

Port speed limit: Refers to the rate at which the port is throttled to a speed limit value. Port Flow control: On the basis of the port speed limit, if the port has the flow control function, you can control the packet rate to the speed limit value. Example:

The port can be divided into 3 main categories: 1) Accepted ports (well known Ports): from 0 to 1023, they are tightly bound to some services. Usually the communication of these ports clearly indicates the protocol of some kind of service. For example: Port 80 is actually always HTTP traffic. 2 registration port (regis

In the computer network OSI model, the TCP port completes the function specified by the layer-4 transmission layer. Many applications connected to our computer and network are implemented through TCP ports. This article will share with you some introduction to TCP ports. Port 21: port 21 is mainly used for FTP (File Transfer