How to stop search engine from indexing a particular directory?

[Yangtze]

I have a directory on my server, and I want to stop search engine from indexing this directory.

Is there any other way to do it,except robots.txt?

[Yangtze]

Can I add this mata tag?

<META NAME="ROBOTS" CONTENT="NOINDEX,NOFOLLOW">

[LifeinAsia]

Make the directory password protected.

[celgins]

You should also be able to modify your "robots.txt" file, telling all search engine robots to ignore your directory:

Disallow: /your-directory/