Apache X-Frame-Options Allow-From multiple domains

apache, x-frame-options

Solution

Header always append X-Frame-Options ALLOW-FROM=site1
Header always append X-Frame-Options ALLOW-FROM=site2
Header always append X-Frame-Options ALLOW-FROM=site3

This way is OK. But I got an error when i first using it. Maybe i make a wrong character.

Problem

I got a error when i using x-frame headers option with apache. ``` Header always append X-Frame-Options ALLOW-FROM site1,site2,site3 ``` or ``` Header always append X-Frame-Options ALLOW-FROM=site1,site2,site3 ``` or ``` Header always append X-Frame-Options ALLOW-FROM=site1 Header always append X-Frame-Options ALLOW-FROM=site2 Header always append X-Frame-Options ALLOW-FROM=site3 ``` How could i set the X-Frame-Options: ALLOW-FROM to support more than a single domain? Thanks!

Original source