Mochiweb Get Client IP Address

• Erlang web service adds IP whitelist function
• Erlang Mochiweb gets the real IP of the request

Prefix

• Erlang

• Mochiweb

Principle

• Get the last IP of X-Forwarded-For to check
• According to the rules of its own web framework, special processing is used to handle the IP acquisition rules

IP acquisition processing in Mochiweb

• Refer to its latest code
• Add the Shared Address Space address range
• mochiweb_request.erl

Reference

• WEB Security - Forged X-Forwarded-For to bypass server IP address filtering
• Online order drop caused by mochiweb’s x-forwarded-for implementation