django-security/django-axes — pull request #80 by fermayo (2014-06-24 16:10:06+00:00)
Title: Get first X-Forwarded-For IP

If there are multiple IPs in the `X-Forwarded-For` header, we just want to get the first one (the client's IP).
Ref: http://en.wikipedia.org/wiki/X-Forwarded-For