1

Internet-Based Client Access

• Support for Internet Protocols

• Configuring Virtual Protocol Servers

2

Support for Internet Protocols

• Simple Mail Transfer Protocol (SMTP)

• Post Office Protocol version 3 (POP3)

• Internet Mail Access Protocol version 4 (IMAP4)

• Network News Transfer Protocol (NNTP)

• Hypertext Transfer Protocol (HTTP)

• Lightweight Directory Access Protocol (LDAP)

3

Simple Mail Transfer Protocol (SMTP)

4

Post Office Protocol Version 3 (POP3) Session States

5

Post Office Protocol Version 3 (POP3) and Simple Mail Transfer Protocol (SMTP)

6

Internet Mail Access Protocol Version 4 (IMAP4) Session States

7

Network News Transfer Protocol (NNTP) Session States

8

Hypertext Transfer Protocol (HTTP)

• Uniform Resource Identifiers (URIs)

• The Microsoft Exchange 2000 Web Storage System

9

Document Collaboration

10

Lightweight Directory Access Protocol (LDAP)

• LDAP uses the Transmission Control Protocol/Internet Protocol (TCP/IP) transport protocol.

• LDAP answers incoming requests from TCP port 389.

• For security, LDAP uses Basic Encoding Rules (BER).

• LDAP assumes X.500 support.

11

Lightweight Directory Access Protocol (LDAP) Port 3268

12

Configuring Virtual Servers

13

Authentication Methods

• Anonymous Access

• Basic Authentication

• Digest Authentication

• Integrated Windows Authentication

14

Secure Sockets Layer (SSL)

15

Configuring Network News Transfer Protocol (NNTP) Virtual Servers

• Newsgroups

• Feeds

• Expiration Policies

• Virtual Directories

• Current Sessions

16

Chapter Summary

• Support for Internet Protocols

• Configuring Virtual Protocol Servers