CTFd v3.5.2 releases: Capture The Flag framework
What is CTFd?
CTFd is a Capture The Flag framework focusing on ease of use and customizability. It comes with everything you need to run a CTF and it’s easy to customize with plugins and themes.
Features
- Create your own challenges, categories, hints, and flags from the Admin Interface
- Static & Regex based flags
- Users can unlock hints for free or with points
- File uploads to the server or Amazon S3
- Limit challenge attempts & hide challenges
- Automatic submission throttling
- Scoreboard with automatic tie resolution
- Hide Scores from the public
- Freeze Scores at a specific time
- Dynamic Scoring
- Scoregraphs comparing the top 10 teams and team progress graphs
- Markdown content management system
- SMTP + Mailgun email support
- Email confirmation support
- Forgot password support
- Automatic competition starting and ending
- Team management & hiding
- Customize everything using the plugin and theme interfaces
- Importing and Exporting of CTF data for archival
- And a lot more…
Changelog v3.5.2
General
- Generate cachable S3 URLs by rounding time down to the previous hour to generate a consistent URL
- Change email whitelist error message to not include the list of allowed domains
- Clean up the language for confirming the password on team password change
- Fix issue where dynamic challenges break if the decay is 0 and prevent users from adding a decay limit of 0 to dynamic value challenges
Admin Panel
- Adds support for admins to control
robots.txt - Clean up the aesthetics for the ‘Pause CTF’ and ‘View After CTF’ configs
- Replaced TLS and SSL checkbox text to match the defaults used by Mozilla Thunderbird to eliminate confusion when configuring SMTP
Deployment
- Slim down Docker image by removing several dependencies not needed for production usage
- The image size has been reduced from 648MB to 398MB
- In the Docker image run CTFd in a virtual environment located at
/opt/venv - Add freezegun to application dependencies
- Bump dependencies for pybluemonday, redis, SQLAlchemy-Utils, python-geoacumen-city
- Fix race conditions on cache healthcheck
- Fix situations where numeric config items in config.ini could cause CTFd to not start
Install
- git clone https://github.com/CTFd/CTFd.git
- Run ./prepare.sh to install dependencies using apt.
- Modify CTFd/config.py to your liking.
- Use python serve.py in a terminal to drop into debug mode.
- Here are some deployment options
- You can check out the Getting Started guide for a breakdown of some of the features you need to get started.
Tutorial
Copyright 2015-present CTFd LLC
Source: https://github.com/CTFd
