Introduction
CHAPTER 1 Networking Models, Ports, Protocols, and Services
The OSI Networking Model
The OSI Seven-Layer Model
Comparing OSI to the Four-Layer TCP/IP Model
Identifying the OSI Layers at Which Various Network Components Operate
Data Encapsulation/Decapsulation and OSI
Ports, Protocols, Services, and Traffic Types
Connection-Oriented Protocols Versus Connectionless Protocols
Internet Protocol
Transmission Control Protocol
User Datagram Protocol
Internet Control Message Protocol
IPsec
Generic Routing Encapsulation
File Transfer Protocol (FTP)
Secure File Transfer Protocol (SFTP)
Secure Shell (SSH)
Telnet
Simple Mail Transfer Protocol (SMTP)
Domain Name System (DNS)
Dynamic Host Configuration Protocol (DHCP)
Trivial File Transfer Protocol (TFTP)
Hypertext Transfer Protocol (HTTP)
Network Time Protocol (NTP)
Simple Network Management Protocol (SNMP)
Lightweight Directory Access Protocol (LDAP)
Hypertext Transfer Protocol Secureló2