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04Sep
Tutorial TCPdump
TCPdump is a very powerful command line interface packet sniffer.
1. Install TCPDUMP
- To install TCPdump :
#apt-get install tcpdump
- To see the TCPdump dependencies:
#apt-cache depends tcpdump
tcpdump
Depends: libc6
Depends: libpcap0.8
Depends: libssl0.9.8
- To see the installed TCPdump version:
# apt-cache policy tcpdump
tcpdump:
Installed: 3.9.5-2etch1
Candidate: 3.9.5-2etch1
Version Table:
*** 3.9.5-2etch1 0
500 http://kambing.vlsm.org stable/main Packages
500 http://security.debian.org stable/updates/main Packages
100 /var/lib/dpkg/status
Continue Reading Tutorial TCPdump
26Aug
cutter Tutorial
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.
Install Cutter
#apt-get install cutter
21Aug
ipgrab Tutorial
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.
Install ipgrab in debian
#apt-get install ipgrab
19Aug
Iptraf Tutorial
IPTraf is an ncurses-based IP LAN monitor that generates various network statistics including TCP info, UDP counts, ICMP and OSPF information, Ethernet load info, node stats, IP checksum errors, and others.
Install iptraf
#apt-get install iptraf
12Aug
IPCALC Tutorial
- 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
Continue Reading IPCALC Tutorial
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
Continue Reading Basic Network Setting Debian
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