Post 30 IEEE STANDARDS

IEEE STANDARDS
802.1 Related to Network Architecture
802.2 Defines LLC
802.3 Ethernet
802.4 Token Bus
802.5Token Ring
802.6 MAN
802.7 Broadband LAN using coaxial cable
802.11 wiFi
802.15 Wireless PAN
802.15.1 Bluetooth
Types of CLASSES
CLASS A 0-127 2^7 LAN 2^24 Computers undereach LAN
CLASS B 128-191 2^14 LAN 2^16
CLASS C 192-223 2^21 LAN 2^8
CLASS D 224-239
CLASS E 240-255
CLASS A,B,C are mostly used for unicast communication
CLASS D are used for multicast Communication
PORT NUMBERS
20-FTP data (File Transfer Protocol)
21-FTP Control(File Transfer Protocol)
22-SSH (Secure Shell)
23-Telnet
25 -SMTP(Simple Mail Transfer Protocol)
43-whois
53-DNS (Domain Name Service)
68-DHCP (Dynamic Host Configuration Protocol)
79-Finger
80-HTTP (HyperText Transfer Protocol)
110-POP3 (Post Office Protocol, version 3)
115-SFTP (Secure File Transfer Protocol)
119-NNTP (Network New Transfer Protocol)
123-NTP (Network Time Protocol)
137-NBNS (NetBios naming service)
138-NetBiosDatagram Service
139-NetBIOS Session service
143-IMAP (Internet Message Access Protocol)
161-SNMP (Simple Network Management Protocol)
194-IRC (Internet Relay Chat)
220-IMAP3 (Internet Message Access Protocol 3)
443-SSL (Secure Socket Layer)
445-SMB (NetBIOS over TCP) Server message block
993-SIMAP (Secure Internet Message Access Protocol)
3389-RDP(RemoteDesktop Protocol)