1. Internet And World Wide Web
Protocol
PuTTy, Telnet and WireShark

2. Outline
• Web Fundamental :
– Web Browser
– Web Servers
– IP address
– DNS

3. Serving Page
client
(Netscape)
server
(Apache)
http://www.sm allco.com /index.htm l
client
(Netscape)
server
(Apache)
http://www.smallco.com /index.html
192.22.107.5
192.22.107.5
port 80

4. Protocols Layer

5. Routing Protocol
– UDP
– TCP
– TCP/IP
– HTTP
– RIP (Routing Information Protocol)
– OSPF (Open Shortest Path First Protocol)
– ICMP (Internet Control Message Protocol)

6. Telnet VS SSH
SSH(Secure Shell) Telnet
Runs on port 22 Runs on port 23
Very Secure Protocol Not Secure Protocol
Only major protocol to access Joint abbreviation
Difficult to decrypt No data encryption
All popular Operating System Linux , Windows

7. Wireshark
• Belum ada SS

8. Putty
• Belum ada SS