unix reverse dns lookup

Originally transferred from http://hi.baidu.com/shyoung/blog/item/b0ccff03fd462481d43f7c5a.html The complete DNS System of the DNS component consists of the DNS server, region, Parser (DNS client), and resource records, and you need to correctly

Windows2000 domain name resolution is based on dynamic DNS, and the Implementation of Dynamic DNS is based on RFC 2136. In Windows 2000, Dynamic DNS is integrated with DHCP, WINS, and Active Directory (AD. There are three methods to implement DNS in

Implementing reverse proxy in squid Introduction This document describes reverse proxies, and how they are used to improve web server performance. section 1 gives an introduction to reverse proxies, describing what they are and what they are used.

Q: What is "DNS "? Why is it Chinese? A: DNS, simply put, is the Domain Name System. If it is translated into Chinese, it is the "Domain Name System ". Q: What is the purpose of DNS?A: In a TCP/IP network (such as the Internet) Environment, DNS is

I. DNS basics [DNS System (server) Working Principle and attack protection methodology] DNS: Domain Name System, the Domain Name resolution server. Its role on the Internet is to convert the Domain Name into an IP address that can be recognized by

Vro is the main node device on the Internet. The router determines data forwarding through routing. A forwarding rule is called routing, which is also the origin of the router name (router, forwarder ). As a hub connecting different networks, the

When conducting a security penetration test, we first need to collect as much information as possible for the target application. Therefore, information collection is an essential step for penetration testing. This task can be completed in different

Article Title: LinuxDNS server troubleshooting. 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. Currently,

This is a creation in Article, where the information may have evolved or changed. NET package provides a portable interface for network I/O, including TCP/IP,UDP, domain name resolution, and UNIX sockets. Although the net package provides a lot of

Article title: full analysis of Samba usage and management Detailed Guide. 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