Installing the GeoIP Apache module
This module allows you to determine which country, region, city, postal code, area code the visitor is coming from. 1. Install the module apt-get install libapache2-mod-geoip
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Installing and configuring PPTP VPN server on lenny
If you would like to setup a Virtual Private Network (VPN) for Windows clients, PPTP is a great choice. It’s easy to set up on the server and you don’t need any additional software for the Windows clients to connect. 1. Install the required packages apt-get install pptpd
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Install XCache
XCache is a fast, stable PHP opcode cacher that has been tested and is now running on production servers under high load. It overcomes a lot of problems that has been with other competing opcachers such as being able to be used with new PHP versions. 1. Installing the XCache package apt-get install php5-xcache
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Blacklisting e-mail addresses using MailScanner
1. Create a new file containing the blacklisted e-mail addresses (pico /etc/MailScanner/rules/spam.blacklist.rules) FromOrTo: [email protected] yes FromOrTo: [email protected] yes FromOrTo: default no
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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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Scan your web server for vulnerabilities with Nikto
Nikto is a web server scanner which performs comprehensive tests against web servers for multiple items, including over 3500 potentially dangerous files/CGIs, versions on over 900 servers, and version specific problems on over 250 servers. 1. Install Nikto apt-get install nikto
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Installing and configuring Squid proxy server
Squid is a caching proxy supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response times by caching and reusing frequently-requested web pages. Squid has extensive access controls and makes a great server accelerator. 1. Install the Squid package apt-get install squid
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Simple load balancing using Pound
The Pound program is a reverse proxy, load balancer and HTTPS front-end for Web server(s). Pound was developed to enable distributing the load among several Web-servers and to allow for a convenient SSL wrapper for those Web servers that do not offer it natively. 1. Install the pound package apt-get install pound
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Installing and configuring MailScanner for virus and spam filtering (Postfix, ClamAV, SpamAssassin, Razor)
MailScanner is an e-mail security and anti-spam package for e-mail gateway systems. MailScanner is highly configurable using a very easy-to-use system of rulesets. Virtually every configuration option can, for example, be controlled on a per-user, per-domain or per-IP basis. It’s assumed that you have already installed and [...]
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Disable root login to SSH
Allowing root logins to your SSH damon is a big security threat. If the SSH port is open, hackers will probably at some time attempt to brute force your root password. It’s a good idea to disable root logins to SSH and instead use a normal user to login and type “su -” to enter the super user shell or sudo to perform [...]
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