Information Resources for Beginners
28 May 2008
This page has Internet links to information on networking.
Local area network (LAN)
Wide Area Network (WAN)
An IP address (or Internet Protocol address)
Domain Name System (DNS)
netmask and subneting.
Internet Protocol version 4 is used for addressing public and private networks
is traditional structure of the IP address in IPv4.
Classless Inter-Domain Routing
replaces the way IPv4 addresses are interpreted.
Network Address Translation (NAT)
Internet Protocol version 6 (IPv6) is the designated successor of IPv4.
netstat (network statistics) displays network connections, routing tables, and network interface statistics.
is used to set, enable or disable an interface's IP address and netmask.
ping is used to test whether a particular host is reachable across an IP network.
is used to determine the route taken by packets across an IP network.
telnet Useful, yet not secure.
Very important that you understand it before going on.
rlogin allows users to log in on another host via a network.
(Secure Shell) allows data to be exchanged using a secure channel between two computers.
inetd is a super-server daemon.
is a utility for reading from and writing to network connections on either TCP or UDP.
Simplified Linux kernel diagram
Berkeley sockets application programming interface (API)
Internet socket (or commonly, a socket or network socket)
Unix domain socket (UDS) or IPC socket (inter-process communication socket)
TCP and UDP port
Internet protocol suite
Transmission Control Protocol (TCP) and User Datagram Protocol (UDP)
Virtual private network
Networking TCP/IP Model (Official - 5 layers):
TCP/IP Model used to explain networking functions.
Data link layer
Networking OSI Model (Unofficial - 7 layers):
OSI model used to explain networking functions.
Data link layer
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Last Updated: 5 January 2019
January 5, 2019