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How secure is AES-128? [closed]

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It seems there are legal issues associated with AES-256 (it is disabled in Java, and Oracle tells me in their UnlimitedJCE Policy that I am "advised to consult" my "export/import control counsel or attorney to determine the exact requirements" before turning it back on and the page on Wikipedia does not look very friendly either).
It also seems that AES-128 is "fine" (at least the people responsible for putting together the JDK have come to that conclusion).
So can I just use AES-128 and feel happy with my encryption? Is it still safe enough to protect the data for a couple of more years from all but the most resourceful attackers?

Check this very simple website: http://www.keylength.com.
There you can find the various recommendations made by academic and private organizations across the world. They don't all say the same thing, but they are all in the same ballpark.
For instance, NIST claims that AES-128 is fine at the very least up to 2030.

What special search terms do I need to look up information on writing external BBS software packages? [closed]

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I am looking into making a text based game that I wrote in Haskell into a BBS software package. I am having problems finding information on writing the simplest of BBS software such as a echo server. I have implemented a simple telnet server before, but never a BBS software package.
Am I not googling the correct keywords or is it that dead simple?
Ideally, I am looking for a link to an existing tutorial on making a BBS software package.

You probably want a "door development kit" that supports your language and BBS of choice. You'll have to consult the documentation for your specific BBS to determine what dropfiles and door routines it supports.

I implemented a simple telnet based BBS a while back:
darcs get http://src.seereason.com/happstack-bbs/
Switching to a dial-up version might not be all that big of a change. In Linux the modem connection will just be some device like /dev/modem, and that you read and write like a file.
So, in Telnet.hs you would make a function like runTelnetIO that does the reads and writes to a file Handle instead of a Socket.
patches accepted ;)
That said, Telnet.hs is not the greatest code I ever wrote. I think I did it in a single sitting so I could release it as an April Fools Joke.

Beginning with SharePoint [closed]

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I would like to dive into the world of SharePoint, but don't really know where to start. Maybe I haven't searched hard or long enough, but browsing through Stack Overflow gave me very little pointers.
So long story short, does any of you have pointers for me where to begin with learning SharePoint, what to do and maybe more important, what NOT to do...
My background: I have experience in Perl and Java, and I'm fairly new to C#, but still in the process of learning this language.
Thank you in advance!

I would strongly recommend you become at least reasonably fluent with C# before trying something like SharePoint as its not a particularly easy platform to develop for.
Having said that a great place to start is with the channel9 videos take a look here http://channel9.msdn.com/Tags/sharepoint?sort=viewed

Getting Started with SharePoint 2010 Development–Links and Resources

Best way to join a free software project [closed]

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I'm thinking about joining a free software project in order to increase my knowledge of how this kind of projects works, colaborating with people that I dont know (so far), and my C/C++ skills.
I`ve searched on sourceforge and so on, looking for projects that need developers... so my question is: how to join a existing project? (and find one I like)

Pick one you like/are interested in, look over its bug tracker, and contribute patches. As you demonstrate your ability to work along with the developers, you will generally be offered greater involvement (e.g. direct commit access).

#geekosaur has some good points. (+1)
If those don't work, I would consider looking for the lead developer of a project (preferably one with decent activity and leadership) and asking what areas they would like assistance in.
I promise you, almost every open source project manager would absolutely welcome a fresh face to the team!

Learning .htaccess [closed]

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I would like learn about .htaccess file, from the very basic to the complex portions. All its capacities, with blocking user, authentication, hiding files, redirection. So far I have only used them, but I want to learn about them, understand them. So that I will be able to create my own rule.
Could you please guide me through this, and point me to the basic and expert guides or lessons or even books. Anything, from basic to complex.

This page more .htaccess tips and tricks is the best simple introduction to using htaccess for rewriting and redirecting that I've found and it's easier to understand than the official Apache guide. You have to figure everything out from the examples, but it's a good selection of most of the common things you'd want to do, rewrite-wise.

Here an "ultimate" sample htaccess file and Apache's rewriting guide.