From the category archives:

Administration

How To: Configure Caching Nameserver (named)

November 19, 2008

Mission
To configure a caching nameserver on a local machine which will cascade to another previously configured and functional nameserver (may or may not be caching. It’ll generally be your ISP nameserver or the one provided by your organization).
Advantage

Reduces the delay in domain name resolution drastically as the requests for frequently accessed websites are served from [...]

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Hack: A Fast Network Scanning Program

November 8, 2008

I was searching for a simple tool which can do a port scanning in a huge network quickly without making me wait for ages. I first thought of using nmap, but it was a bit too complex and it takes a lot of time to discover the machines even after optimizing the parameters. After searching [...]

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How To: Configure Squid Proxy Server

May 2, 2008
Squid Caching Proxy Server

Mission
To configure squid for simple proxying without caching anything.
Use Cases

When you want to have control on what people browse on your lan.
When number of machine is more than the number of IP addresses you can afford to buy.
When you want to help this holy world in saving some IPV4 addresses

Assumptions

You have a machine [...]

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How To: Configure Hierarchicy of Proxy Servers (Squid)

March 5, 2008

Yesterday I came across this idea of caching all the data that I browse on my hard disk so that the average load time of a website decreases. Actually the idea is I’ll cache all the static data that I browse like images, static html pages, CSS files and similar things which does not change [...]

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How To: Configure Secure FTP Server (VSFTPD)

September 8, 2007

This post is totally dedicated to vsftpd configuration with uploads enabled. vsftpd stands for Very Secure FTP Daemon. It is shipped with almost all the latest Red Hat based OS. vsftpd for rpm based Linux distros can be downloaded from here. Also, one can install vsftpd by issuing ‘yum install vsftpd’ or ‘apt-get install vsftpd’ [...]

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