Zulfan & Ruri

Ntop digunakan untuk mengambil informasi network dengan konfigurasi sederhana. Kita bisa menggunakan browser untuk melihat hasilnya baik berupa grafik atau statistik.
Install ntop
# apt-get install ntop

Knocker is a new, simple, and easy to use TCP security port scanner written in C, using threads. It is able to analyze hosts and the network services which are running on them.

Ipgrab is a network debugging utility not unlike tcpdump except that it prints out detailed header field information for data link, network and transport layers.

ifstat is a tool to report network interfaces bandwith just like vmstat/iostat do for other system counters. It can monitor local interfaces by polling the kernel counters, or remote hosts interfaces using SNMP.

httping show you how long it takes to connect to a hostname or remote url; send a request and retrieve the reply (only the headers).

Ethstatus is a console-based monitoring utility for displaying statistical data of the ethernet interface on a quantity basis. It is similar to iptraf but is meant to run as a permanent console task to monitor the network load.

ethstats works by parsing the /proc/net/dev file that the Linux kernel maintains, and thus utilizes a negligible amount of CPU time. ethstats shows the throughput of each device in both megabits per second and packets per second.

Cutter will send packets to both ends of a tcp/ip connection to close the connection. It is designed to be used on a Linux router to disconnect unwanted connections.

- To see the ipcalc version available:
#apt-cache policy ipcalc
ipcalc:
Installed: (none)
Candidate: 0.41-1
Version table:
0.41-1 0
500 ftp://kambing.ui.edu stable/main Packages

- Utk lihat versi ipcalc:
#apt-cache policy ipcalc
ipcalc:
Installed: (none)
Candidate: 0.41-1
Version table:
0.41-1 0
500 ftp://kambing.ui.edu stable/main Packages

Netstat (NETwork STATistics) is a command-line tool that provides information about your network configuration and activity.
- To display the routing table:
#netstat -rn
-> -r : Kernel routing tables.
-> -n : Shows numerical addresses instead of trying to determine hosts.
- To display the quick interfaces statistics:
#netstat -i
-> -i : Interface

1. Network Settings
A. To configure your network interfaces with ifconfig.
- Static IP Address
#ifconfig [interface_name] [ip_address] netmask [mask]
ex :
#ifconfig eth0 192.168.1.15 netmask 255.255.255.0 broadcast 192.168.1.255
To configure the default gateway:
#route add default gateway [ip address] dev [interface_name]
ex :
#route add default gateway 192.168.1.1 dev eth0