Serchin in the web found this a filter to uderstand anyone
credits to:
This should work with all emulator servers. I wouldn't try it on retail because of warden.
If you are Horde you use this:
04 05 06 07 11 12 13
00 00 00 00 00 00
01
If you are Ally you use this:
04 05 06 07 11 12 13
00 00 00 00 00 00
07