Amavisd-new is an interface written in perl between the MTA and supervisor of content like spamassassin or clamav. Use the port 10024 to receive mails from postfix and reinject the mail to postfix with the port 10025 and use the
Configure an antispam gateway (part I)
In this tutorial i’ll show how to ensure and apply many feature for our mail gateway try to avoid most of the mail spam. I’ll explain all the options that we’ll setup to understand it and modify it to any
Install and configure cacti
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
ProFTPD + MySQL
Over FTP we can validate users stored in a database with MySQL, PostgreSQL, ODBC or SQLite. In this post we’ll configure proftpd a ftp server running in a Debian squeeze that permit authentication with virtual users stored in a MySQL
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
How to compile a Linux kernel
Hello everybody!! In my first entry i will explain how to compile a Linux kernel. In my case i’ll compile the last stable version of kernel Linux (3.1.3) , in a Debian squeeze with the traditional method. In another entry