Under The CTF

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Welcome!

Under The CTF is a set of software challenges.
More information about Capture The Flag events can be found at Wikipedia.

Proceed to the challenges!

Please do not attack the scoreboard or challenge infrastructure :-)

Everything you need to solve the puzzles is on this site.
Note: the Python challenges all use Python 3.6.

The project source code is available at https://github.com/dwyde/challenges.
Use this if you want to look behind the scenes, or to run the software locally.

If you're looking for something more beginner-friendly,
I also wrote introductory coding exercises called Tricycle.