I keep my forum’s server behind cloud flare due to a large amount of attacks against the site. The link previews and emails can leak the server’s backend IP Address. The email issue was resolved by setting up a SMTP relay that strips headers (if the user pulls email headers to get the IP, they get t…

Discourse Link previews through a proxy server?

schungx (Stephen Chung) October 25, 2017, 2:32am 4

Purely out of curiosity… How does previewing a link leak ip info?

Topic		Replies	Views
Reverse proxy for Discourse \| Real IP masking Installation	14	1612	August 19, 2023
Configuration outbound proxy Installation	17	4087	July 29, 2020
Site is accessible on the IP address when not following th install guide Feature	18	2002	June 30, 2020
Discourse socketed: Nginx in front of discourse: no IP adresses Installation	6	2618	October 5, 2018
Remote users IPV6 address shows as localhost Support	30	4671	September 13, 2020