header length

The exact number of addresses contained in the 128-bit address space is 340,282,366,920,938,463,463,374,607,431,768,211,456. These spaces are sufficient to provide an independent IP address for each grain of sand on the earth. At the same time, IPv6

When talking about socket programming, you may think of QQ and IE. That's right. Many other network tools, such as P2P and NetMeeting, are implemented at the application layer using socket. Socket is a network programming interface that is

Iptables log Exploration In addition to effectively controlling network access, the main function of the firewall is to clearly record network access and automatically generate logs for storage. Although the log format varies with the firewall

Struct sw_flow_key is used to define a unique flow. This structure is quite complex. Please refer to the source code Sw_flow_key is divided into four parts, representing the profile of switch, L2, L3, and L4 respectively. The switch profile is a

SCP,DICOM,Hl7aecg,GDFFormat and Comparison This document describes the specific data structures of SCP, DICOM, hl7aecg, and gdf ecg signal formats, and then analyzes their respective characteristics and applicability. I. SCP-ECG format This format

Original article: http://blog.csdn.net/bhw98/archive/2003/03/27/19666.aspx We need to understand the SMS specification developed by ESTI. The rules related to short message sending and receiving discussed mainly include GSM 03.38, GSM 03.40, and GSM

TCP is a connection-oriented protocol. Therefore, a connection must be established before both parties send data. This is totally different from the preceding protocol. All the Protocols mentioned above only send data. Most of them do not care

1. Basic concepts of request and response 1.1 in JSP Request: when a user enters a URL in a browser and submits or submits a form, a request is created and sent to the server. Response: when the server receives a user's request, it performs

The previous article has introduced the composition of the Protocol. A protocol generally has the following features: protocol header + Length + Data + verification. The text format can intuitively define that carriage return and line feed are the

When reading the library file of the default version, the Chinese path in the TAR package will be read as garbled. The first method is to convert the read entry name to the following without modifying the source code of sharpzlib: private String

Ultra-long text message: if the text message contains more than 70 Chinese characters, it must be divided into multiple text messages when submitted to the gateway, but one text message is sent by the user's mobile phone (SP-angle, the concept of

  Recently, many people have called on everyone to ping any website. However, technically, no matter what type of Denial-of-Service attack, one condition must be met: the minimum resource is used in exchange for the largest consumption by attackers.

Sniffer principle: Today, when it comes to hacker attacks, it generally refers to attacks on the system in an active way, such as exploiting vulnerabilities or guessing system passwords. However, there is another type of passive attack that is

UDP is short for user‑ramprotocol, which is a User Datagram Protocol. It is mainly used to support network applications that need to transmit data between computers. Network applications in customer/Server mode, including network video conferencing

TCP/IP supports a variety of link layer protocols, depending on the hardware used by the network, such as Ethernet, ring-based network, FDDI (Fiber Distributed Data interface, and fiber distributed data interface. The network based on different

1 Function removehtml () Function Removehtml (strhtml) 2 If Strhtml <> ""   Then 3 Dim S_str As   String 4 S_str = RegEx. Replace (strhtml, " ] +> " , "" ) 5 S_str = Replace (S_str, " & Nbsp; " , "" ) 6

ArticleDirectory Comment Webbupload Upload Component FeaturesYou can configure the Web. config file to set the size of the uploaded file.It is fully developed Based on. NET and does not require any client configuration.Provides

Cause Today, a garden friend reported to us that some blog articles opened in chrome will contain "Bad request-request too long. HTTP Error 400. the size of the request headers is too long. "error page: It's okay to use IE and Firefox, but Chrome

The previous article has introduced the composition of the Protocol. A protocol generally has the following features: protocol header + Length + Data + verification. The text format can intuitively define that carriage return and line feed are the

File signatures are generally in the file header. If you view the file in hexadecimal mode, you can see some signature information of the file. For example, if you use uestudio to view ZIP files in hexadecimal format, the file content header