what is host domain

HTTP is an abbreviation for the Hyper Text Transfer Protocol (Hypertext Transfer Protocol). Its development is the result of collaboration between the World Wide Web Association (Wide) and the Internet Working Group IETF (Internet Engineering Task

———————————————————————————————————————————Read and write a string from a file (read/write directly/through Nsurl)#import int main (int argc, const char * argv[]) {@autoreleasepool {Writes a string directly to a file ***************NSString

ifconfig Command: View and configure network status commandsIfdown network card device name : Disable the NIC deviceifup network card device name : Enable the NIC devicenetstat options : Querying network statusOption:-T: List TCP protocol ports-U:

Cat /etc/redhat-releaseCentOS Linux release 7.0.1406 (Core)Building a DNS server with BIND1.BIND Server InstallationYum Install bind*-y2. Modify the configurationVim/etc/named.confNamed.confProvided by Red Hat bind Configure the ISC bind named

First, the basic knowledge of the network:IP routing table acquired on the device side[[email protected]/] # Route–nKernel IP Routing TableDestination Gateway genmask Flags Metric Ref use IfaceDefault 192.168.1.1 0.0.0.0 UG 0 0 0 apcli0Default 192.16

DNS (Domain Name System): Provides a mapping of domain-to-IP addresses on the InternetDomain name: Also known as hostname, FQDN (full qualified domain name fully qualified domainname)Basic information:The bind service is typically used in Linux to

Nginx Configure the virtual host domain name mingzi.111cn.net, when the viewer visits the main station, through the proxy to visit server1.mingzi.111cn.net website. So as to achieve a load balancing effect. The following is the Nginx load balancing,

I am a novice, because to do the mail to send verification code, so find and collect these, I can test completelyThis is 163 mailbox because the account that is not the enterprise mailbox fills in is 163 account number, but the password is the

1 download Http://jimsun.linxnet.com/postfix_contrib.html 2 installation Date::calc #perl-mcpan-e Shell Cpan> Install Date::calc 2 installation Pflogsumm Tar zxvf pflogsumm-1.1.2.tar.gz CD pflogsumm-1.1.2 CP

First, overview SSL SSL (Secure Socket Layer) Secure Sockets Layer, early Netscape wanted to make the various protocols in the application layer to the purpose of data security for data transmission, a half layer structure was introduced between

IP commands are used to display or manipulate the Linux host's routing, network devices, Policy Routing and tunneling, which is the newer powerful network Configuration tool under Linux.IP [OPTIONS] OBJECT {COMMAND | HelpOptions is the option to

In daily life, people often know the host domain name without knowing the host IP address, and the socket API is based on IP address, so need to use DNS domain name resolution server to parse.So the first simple introduction of the principle of DNS,

Common options:-B: When the host has multiple IP addresses, specify which IP address to use to send Domain name query requests to the domain name server;-f-P: Specifies the port number used by the domain name server;-t-X: Perform reverse domain name

1. ifconfig interface [option]: Query sets the relevant parameters such asnetwork card and IP domain, option parameter ,1) interface: Network card interface code,eg,eth0,eth1,ppp0, etc.2) up,down: Start or close the network interface3) MTU: You can

The Urllib.request module is python3 for handling URLs.1. First Import:From Urllib Import Request2. Construct the URL, construct the URL's headers information and send the reference "request." Request "----GET request with no parameters "slightly"---

Netstat Command Overview:Netstat is a very useful tool for monitoring TCP/IP networks, which can display routing tables, actual TCP network connections, TCP and UDP snooping, process memory management, and status information for each network

Overview of DNS system parsing process DNS (domain name servive) is the most basic and important service in internet/intranet, providing automatic conversion of domain name to IP address in network access. We know that there are thousands of hosts

Appache 2.2 Virtual Host Configuration From: http://hi.baidu.com/wd_828/item/64fbc5a24a6bcf9b14107313 1. Domain name problem Suppose we have two domain names: www.aaa.com and www.bbb.com In order to facilitate testing, we can through the system

ServerRoot "/usr/local" ServerRoot is used to specify the running directory of the daemon httpd, httpd will automatically change the current directory of the process to this directory after it is started, so if the file or directory specified in the

comparison of 1.http/1.0 and http/1.1 RFC 1945 defines the http/1.0 version, and RFC 2616 defines the http/1.1 version. 1.1 Establishing connection aspects http/1.0 each request requires a new TCP connection and the connection cannot be reused.