SFS2X 2.13.7 X-Forwarded-For Vulnerability

[mete2221]

By setting the X-Forwarded-For header, users can access the game from any ip.
X-Forwarded-For feature must have an option on and off, for those who do not use a reverse proxy on the server.

[Lapo]

We'll take it into account for the next release.
Thanks