Network Monitoring With ntop

By Ravi Bhure | April 3, 2008 | Comments 0 Comment

ntop is a network traffic tools that shows network usage in a real time. One of the good things about this tool is that you can use a web browser to manage and navigate through ntop traffic information to better understand network status.

Also Ntop monitors and reports hosts traffic and supports these protocols:

TCP/UDP/ICMP
(R)ARP
IPX
DLC
Decnet
AppleTalk
Netbios
TCP/UDP

In this tutorial we’ll install ntop 3.2 in Redhat Enterprise Linux 5

Prerequisites

Ntop 3.2
LIBPCAP
GDBM

Links

http://dag.wieers.com/rpm/packages/ntop

for LIBPCAP & GDBM packages check installation media of RHEL 5.

Installation

Installing ntop:

rpm -ivh ntop-3.2-2.el5.rf.i386.rpm

Running ntop

1- Initialize ntop:

ntop

That will initialize ntop and it will ask you to enter your username and password.

The default username: admin

Password: younewpassword

2- Start ntop service:

service ntop start

Log In To The Web Interface

ntop can be managed through a web interface. You can enter your server address in your web browser:

http://ServerIP:3000

https://ServerIP:3001

Now you can monitor your hosts and manage your ntop configuration.

Thanks

Ravi