1 ITC242 – Introduction to Data Communications Internet Based Applications.
Application Layer 2-1 Chapter 2: outline 2.1 principles of network applications app architectures app requirements 2.2 Web and HTTP 2.3 FTP 2.4 electronic.
Ftp: File Transfer Protocol ftp specification: RFC 959 ( file transfer FTP server FTP user interface FTP client local.
Application Layer 2-1 Chapter 2b Application Layer.
IT 424 Networks2 IT 424 Networks2 Ack.: Slides are adapted from the slides of the book: “Computer Networking” – J. Kurose, K. Ross Chapter 2: Application.
Lecture 07 PGP and S/MIME Supakorn Kungpisdan, Ph.D. [email protected] 1ITEC4621 Network Security.
21-1 Last time □ Finish HTTP □ FTP. 21-2 This time □ SMTP (email) □ DNS.
Chapter 2: Application layer 2.1 Web, HTTP and HTML (We will continue…) 2.2 FTP 2.3 SMTP 9/22/2009 Lecture 7, MAT 279, Fall 2009 1.
Introduction 1-1 Lecture 7 Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012 CS3516: These slides.
1 Lecture #3 Electronic Mail Protocols HAIT Summer 2005 Shimrit Tzur-David.
Introduction 1-1 Chapter 2 FTP & Email Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012 IC322 Fall.
Chapter 2 Application Layer slides are modified from J. Kurose & K. Ross CPE 400 / 600 Computer Communication Networks Lecture 6.