This document discusses network protocol analyzers. It describes what a network protocol analyzer is and some of its common uses, such as analyzing network problems, detecting intrusions, and monitoring network usage. It then lists some important network protocols like TCP, UDP, IP, and Ethernet and what they are used for. The document goes on to describe several popular network protocol analyzer tools, including Wireshark, Snort, Netcat, and Tcpdump. It provides more details on the Softperfect network analyzer tool, highlighting advantages like its ability to defragment packets and filter traffic.

1. NETWORK PROTOCOL ANALYZER Raksha.J-IMS07IS078 Sahana.P.Shankar-IMS07IS086 Sai Janaki Tejaswi P-IMS07IS087 Shruthi Raghavan-IMS07IS096

5. Protocols used on network Critical Essential Essential Essential Importance TCP,UDP ARP IP,ICMP ethernet, SLIP, PPP, Token Ring, ARCnet Names of protocols Controls the management of service between computers. Communicates between layers to allow one layer to get information to support another layer Manages movement of messages and reports errors. Allows messages to be packaged and sent between physical locations. What it does

6. Contd…… Provides direct services to the user. Enhances network management and increases functionality DNS provides address to name translation for locations and network cards. RPC allows remote computer to perform functions on other computers. Useful Advanced Important FTP, TFTP, SMTP, Telnet, NFS, ping, Rlogin RARP, BOOTP, DHCP, IGMP, SNMP,RIP, OSPF, BGP, CIDR DNS,RPC Names of protocols What it does Importance