Is very important have a good tool to monitor our devices in a networking. Cacti do this and very well. Cacti offers graphs using rrdtool to monitor the load average, ping latency, disk space and other relevant information over SNMP
Configure NAT in Linux
Hello everybody!! For today I’ll configure a Router Linux with NAT using Iptables and a simple port redirection. Basically NAT allow protect our network, translating a local IP network to another IP, changing the source IP of the packet headers.
A bit of Bind (Part II)
Hello everybody!! For today i have the second part of bind. In this part i’ll explain how to ensure our environment and prevent the DNS cache spoofing with the DNS extensions DNSSEC. DNSSEC offers the authenticity and integrity of the
A bit of Bind (Part I)
Hello everybody!!! For today i have a bit of bind. Bind is a name services, is the most used but exists any more like djbdns, NSD, PowerDNS, etc… First we have to understand the DNS is a big distributed and