find subdomains

I encountered this problem today, so I studied it. To solve this problem, we must first understand the mechanism of some sessions. Sessions exist on the server in the form of a hash. We all know that sessions are Session-level, and a Session is

I encountered this problem today, so I studied it. To solve this problem, we must first understand the mechanism of some sessions. Sessions exist on the server in the form of a hash. We all know that sessions are Session-level, and a Session is

Today, I met the problem and studied it. To solve this problem, we must first understand some of the mechanism of the session. Session in the server is in the form of a hash table, we all know that sessions are conversational level, each user access

Search for subdomains For example, jb51.net searches for www.jb51.net, jb51.net, and host.jb51.net. If mysql is used with like, the efficiency is very low. millions or even tens of millions of data cannot be used, so sphinx is used. Many problems

For example, jb51.net searches www.jb51.net, jb51.net, SC .jb51.net, and so on. For example, jb51.net searches www.jb51.net, jb51.net, SC .jb51.net, and so on. Search for subdomains For example, jb51.net searches for www.jb51.net, jb51.net, and

Article Title: setting up a DNS server in Linux (1 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 1.

DNS server setup in Linux (1) I. Introduction to Domain Name System 1. the domain name system of the domain name system is a distributed database that enables local control of part of the entire Distributed Database segment. The data in each segment

first, the Domain Name System introduction 1. Domain Name System Domain Name System is a distributed database, it makes the local control of the entire distributed database segment, each section of the data through the customer, the server model

0x01 verifies that CDN  Method 1 is present: Very simple, using a variety of multi-ping services, to see if the corresponding IP address is unique, if not the only most of the use of CDN, the multi-ping site

Reprinted: http://www.cnblogs.com/JeffreyZhao/archive/2007/01/22/Break_the_Browsers_Restrictions_3.html Before discussing this topic, let's take a look at another issue of script optimization, that is, the difficulty of optimization ". Here, the