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Entries Tagged as 'Networking'

What is the deal with the facebook.com whois output?

June 28th, 2011 · No Comments

Was trying to find facebook contact information (phone number) on and around their site, but, this proved pretty much impossible.  I hoping they had some numbers in the whois output of their domains and the whois output looked a little strange. I have seen this before with another domain and wondered how it’s done. (Sub [...]

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Tags: Networking

HTTP accelerators/proxies

February 24th, 2011 · No Comments

There are a number of different light weight webservers that can proxy/accelerate performance of traditional webservers such as apache/iis. Some of these are: nginx – lightweight, high-performance web server, reverse proxy and e-mail proxy (IMAP/POP3) litespeed http://www.varnish-cache.org/ Lighttpd – open-source web server, optimized for speed-critical environments Polipo – a caching web proxy Have seen good [...]

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Tags: Linux · Networking · Operating System · Protocols

Top spammers by country

September 22nd, 2010 · No Comments

In the previous post we were Importing country ISO 3166 codes into MySQL database, because, we wanted to run a script over all the junk mail caught in our catch all mailboxes. The script checked the received headers of the email and finds the IP address of the sender.  Then, looks up the country that [...]

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Tags: Networking · Protocols · SMTP

Page speed included in search ranking results?

July 5th, 2010 · No Comments

Just wanted to jot this down to remember the URL: http://googlewebmastercentral.blogspot.com/2010/04/using-site-speed-in-web-search-ranking.html

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Tags: Networking

Configure a range of IPs on CentOS

June 22nd, 2010 · No Comments

Needed to add 64 IPs to a CentOS 5.4 system and it was going to be a pain adding individual files in /etc/sysconfig/network-scripts/ifcfg-eth0:X There is a nice way to alias a range of IPs to your interface automatically when the network comes up. Configure your eth0 interface as normal Create a new file: /etc/sysconfig/network-scripts/ifcfg-eth0-range0 In [...]

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Tags: Linux · Networking · Operating System