Archive for the ‘Security’ Category

How to install chkrootkit/rootkit hunter

Thursday, November 19th, 2009

a) Download latest rootkithunter from http://www.chkrootkit.org/download/  (latest version is chkrootkit-0.49 but its has bugs)
mv chkrootkit.tar.gz /usr/local/
cd /usr/local/
tar xvfz chkrootkit.tar.gz
ln -s chkrootkit-0.43/ chkrootkit (replace 0.43 with the right version number)
cd chkrootkit/
make sense
You will now find the chkrootkit program under /usr/local/chkrootkit. Run it by [...]

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How to install portsentry

Thursday, November 19th, 2009

Install PortsEntry
Portsentry is a tool to detect port scans and log it. Download the sorce package of portsentry from sourceforge.net
wget http://path/to/portsentry-1.2.tar.gz
tar zxf portsentry-1.2.tar.gz
make linux
make install
If you get errors like while compiling
make linux
SYSTYPE=linux
Making
gcc -O -Wall -DLINUX -DSUPPORT_STEALTH -o ./portsentry ./portsentry.c \
./portsentry_io.c ./portsentry_util.c
./portsentry.c: In function ‘PortSentryModeTCP’:
./portsentry.c:1187: warning: pointer targets in passing argument 3 of [...]

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