@Alderman: could you tell me what is a "V2 signature" ??? I'am basically a Java/C++ developer not a Guru addon maker like Robert Hammer or Sick Boy
LEA is supported by Team SoE-BWF-F27. All of them play exclusively tactical realism on their private server and just don't care about Server key and PunkBuster
and all that bullshit one can find on public server running Dominations.
If you want your own signatures for @LEA you are FREE to generate your own .bikey/bisign for your server/organization/whatever.
As mention in the GNU-GPL licence you are free to modify LEA and @LEA to suit your need.