what is packet sniffing

In MPEG-4 14496-2, there is no definition of Simple Profile level 0, the smallest is simple profile Level 1, so what is simple profile level 0? As follows: I have heard of a level 0 for Simple Profile, what is it? Level

fields to the IP datagram header ). The UDP header field consists of four parts, two of which are optional. Each 16-bit source port and destination port are used to mark the application process sent and received. Because UDP does not need to respond, the source port is optional. If the source port is not used, set it to zero. The destination port is followed by

this case is a cache overflow that occurs due to changes in the data when the clock is effectively aligned. This may require a large number of simulations and considerations for all possible input conditions to model and simulate this error behavior.Figure 1: Elastic cache block Diagram　　High-level requirementsMany companies have used assertion-based validation (ABV) technology to shorten validation times

In the TCP protocol Before the communication has to go through three times handshake, the requester sends out a SYN signal request connection, the other party receives and accepts when will send an ACK message.An ACK is the meaning of a response. What is an ACK attack?Land Attack attack: In land attacks, hackers use a specially crafted SYN

The creation of virtual concept and the background of virtual operator In recent years, due to the rapid development of data service, voice service, video service and the improvement of communication network technology, all kinds of monopoly will be broken along with IP technology, especially VoIP technology becoming more mature and telecom opening up. The application of integrated voice, data and video services through packet networks has become mor

Typical Security Enhancement Methods 1. Access prohibited (Block) 2. Allow access (Permit) 3. Authenticate) 4. tamperproof) 5. Encryption (encrypt) IPSec is a group of protocols and services. IPSec provides a variety of security services for IP-level (that is, the network layer) communication. These security services include: Certification-who are you talking about? Who are you talkin

#-*-coding:cp936-*-#python#Xiaodeng#What is XML RPC? #Chinese called: Remote Procedure Call#RPC mechanism for Transport protocol using HTTP protocol, using XML text to transfer commands and data#an RPC system must consist of 2 parts:#1. RPC client: Used to call the method to the RPC server and receive the return data of the method#2. RPC server: Used to respond to RPC client requests, execute methods, and e

What is the difference between a WINS server and a DNS server? For many people, the relationship between the WINS server and the DNS server is still mysterious. However, we hope to clarify this matter with your question. First, DNS refers to "Domain Name Server", while WINS refers to "Windows Internet name service ". Both are used to resolve the domain name, but

What is the relationship between East-West traffic and SDN? The relationship between East-West traffic in the data center and SDN is reflected in the fact that many SDN solutions are designed to address the challenges posed by such dynamic traffic. There is no shortage in the network industry to discuss the relationsh

In recent years, the Palm Game era has become a popular trend, but as a game developer, you consider the relationship between the size of the installation package and user conversion rate?What is the relationship between the size of the hand bag and the developer's user volume? See a set of data:Fiksu Data graphThe answer is very certain, the smaller the hand-tra