git clone https://github.com/devploit/dontgo403; cd dontgo403; go get; go build

./dontgo403 -h

Command line application that automates different ways to bypass 40X codes.

Usage:
  dontgo403 [flags]

Flags:
  -b, --bypassIp string    Try bypass tests with a specific IP address (or hostname). i.e.: 'X-Forwarded-For: 192.168.0.1' instead of 'X-Forwarded-For: 127.0.0.1'
  -H, --header strings     Add a custom header to the requests (can be specified multiple times)
  -h, --help               help for dontgo403
  -p, --proxy string       Proxy URL. For example: http://127.0.0.1:8080
  -u, --uri string         Target URL
  -a, --useragent string   Set the User-Agent string (default 'dontgo403/0.3')