Pario TechnoBlob

A chronological documentation test project, nothing serious, really!

Day: September 17, 2008

Linux

Disable IPv6 on Redhat RHEL4

First you remove this line from /etc/modprobe.conf if this line exists. alias net-pf-10 ipv6 Add the following line to /etc/modprobe.conf alias net-pf-10 off Reboot the system. IPv6 is now disabled. To re-enable IPv6, remove the alias net-pf-10 off line from /etc/modprobe.conf and reboot the machine. I’ve also made a post about how to disable IPv6 […]

Network

Listen to network traffic using tcpdump

Please note that you have to be the root user to use this command because it puts the network card in promiscuous mode. # tcpdump -i eth0 -A -s 0 udp port 1514 and host 192.168.0.1 The example above command listens on port 1514 which is the port ossec-hids uses on its secure communication between […]