Talking head
DjangoCon US 2016

This presentation, by Philip James, is licensed under a Creative Commons Attribution ShareAlike 3.0
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Django Security Talk Notes Introduction Philip James, how long I’ve worked with Python and Django, background at EB Introduction to the story, and the characters Safe-ish: Talk about Django’s Security Model and how it tries to provide sane defaults for developers Run-through of the parts of the django security model XSS (brief definition) Django escapes characters by default How? How do you turn it off? Mark Safe, | n, safe CSRF (brief definition) Django has middleware that checks POST requests for a token How? Token is stored in cookie, also Could be better? Make cookie httponly Side-effect: harder to JS. Also, only an issue if you’re already owned, so maybe not an issue? How to get around it? csrf_exempt SQLi (brief definition) Django’s ORM makes clean sql, (even when given bad data?) How? How to get around it: extra()/RawSQL() Clickjacking protection (brief definition) Django has middleware that sets headers browsers are supposed to respect Which browsers? https://docs.djangoproject.com/en/1.8/ref/clickjacking/#limitations How to get around it: xframe_options_exempt, xframe_options_deny, xframe_options_sameorigin HTTPS This one is less "out of the box" than the others, so won’t be talked about here. Host Header Validation (brief definition) Django verifies against allowed hosts in settings How? get_host() Session security What are django sessions? Cookie-based by design How can we make this better? Overall: Vigilance. Be aware of uses of this within your product XSS, CSRF, SQLi, Clickjacking: Have them all enabled, write rules to check for "escape-hatch" functions HTTPS: Use it! Set the correct settings SECURE_SSL_REDIRECT: How does it work? Other things django-secure https://www.ponycheckup.com/ http://nerd.kelseyinnis.com/blog/2015/09/08/making-django-really-really-ridiculously-secure/

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