Debian Tutorials

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Debian Tutorials

Step by step tutorials showing you how to install and configure various applications and services on Debian based Linux distros.


Security10

Scan your server for rootkits with rkhunter

rkhunter (Rootkit Hunter) is a tool that scans for rootkits, backdoors and possible local exploits. It does this by comparing SHA-1 hashes of important files with known good ones in online database, searching for default directories (of rootkits), wrong permissions, hidden files, suspicious strings in kernel modules, and special tests [...]

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Prevent brute force attacks using fail2ban

fail2ban monitors log files such as /var/log/auth.log and /var/log/apache/access.log and temporarily or persistently bans failure-prone addresses by updating existing firewall rules. Currently, by default, fail2ban supports ssh/apache/vsftpd but configuration can be easily extended for monitoring any other ASCII file. 1. Install fail2ban [...]

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Installing suPHP

suPHP is a tool for executing PHP scripts with the permissions of their owners. It consists of an Apache module (mod_suphp) and a setuid root binary (suphp) that is called by the Apache module to change the uid of the process executing the PHP interpreter. 1. Install suPHP apt-get install libapache2-mod-suphp

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