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How to open ports for eMule and BitTorrent on a Cisco ASA 5505

If you want to use BitTorrent or eMule on pc protected by a Cisco ASA 5505, you have to open some ports on your Cisco firewall in order to download at full speed.

To do this, try these rules in your firewall configuration:

access-list outside_access_in extended permit tcp any interface outside eq XXXX
static (inside,outside) tcp interface XXXX 192.168.1.4 XXXX netmask 255.255.255.255

Replace XXXX with the port number you need to open (e.g. 4662 TCP and 4672 UDP for eMule)

Replace 192.168.1.4 with your pc private lan IP.

Twitter Usage Numbers

Hitwise reports that web visits of Twitter have increased 8x in the last year. Compete shows about 900,000 U.S. monthly website visitors and Comscore puts the worldwide number at 1.3 million unique monthly visitors in March.

The key measure of Twitter usage is total users, total active users and total messages sent. And according to a source close to the company, these are the current Twitter usage stats:

March 2008
Total Users: 1+ million
Total Active Users: 200,000 per week
Total Twitter Messages: 3 million/day

VOIP for Social Networks

The new Jangl is a platform for calling between people who don’t want to share their number, but also between people who can’t know each other’s numbers because they’re not expecting a call.

Jangl users can call anyone with an email address. You just drop your own number and their email address into a form on the Jangl site and you get a local number to call them at. When you call the number, you’ll record whatever message you like. A link to the recorded message will be emailed to the person along with a local number (local to them) to call you back on without revealing their real number.

For further information:  Jangl home page.

Configuring Rails Environments: The Cheat Sheet

A fairly exhaustive list of the options allowed when configuring a Rails application.

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Good List of “Programming Fonts”

Programmers have very particular font needs. A font for programming must be mono spaced, extremely readable, and must sharply distinguish between similar characters, such as capital O and zero and the number 1, capital I, and lowercase L. In addition, good programming fonts allow you to view more lines of code on screen at once.

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AJAX-based Web Recording Tool

Tapefailure is a “history recording tool.” Ayone can record a browsing session using Tapefailure’s recorder, then save it, and share it with others. Each recorded session can be played back virtually perfectly through our playback tool; as long as you know the tape ID or have a link, you can view your recorded session over and over again.

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GMail Updated With The Links Bar And Calendar Integration

GMail finally got involved with the Google Calendar. Here are the details on how GMail interacts with the Calendar.

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Rails for Designers

This is for designers who are going to be working with Rails and is intended to give them a good starting point to jump into work with a Rails developer. This is all introductory material. Basics are covered (MVC, locations of files) as well as a code example and more advanced topics (partials, ActionView helpers).

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Round-up of 30 AJAX Tutorials

There are quite a few AJAX demos and examples on the web right now. While these are invaluable to learning AJAX, some people need a bit more information than just a raw piece of code. The following is a list of the best and most helpful AJAX tutorials that I’ve found over the past year.

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