Network Host: HOST identifies a computer on the network
Local use: "localhost" "127.0.0.1"
Network uses: '0.0.0.0'
Get Local IP: ifconfig
Get computer name:
In [1]: import socket
In [2]: socket.gethostname()
Out[2]: 'tedu'
Get address computer name:
the In [. 3]: socket.gethostbyname ( 'localhost')
Out [. 3]: '127.0.0.1'
IP addresses
Definition: determining the network location address of a host on a network.
IPv4: dotted decimal 192.168.1.2 0--255
IPv6: 128 Wei
ping ip: test and whether a network host connectivity.
Obtain information through the host network address
Name of the network server addresses: Domain Name
1. easy to remember
2. The name of the express certain meanings
The network port number:
Port is part of the network address with the network to distinguish between a network application on the host.
* An operating system different network applications monitor a different port number.
Range: 1--65536,1--255 some well-known general-purpose port.
256--1023 system application port
1024--65535 own port
Recommended> 10000
Gets the network port:
In [7]: socket.getservbyname('http')
Out[7]: 80
Network byte order: the data in the network transmission format.