You can get other's client version. Use:/finger usernameYou will see lots info including for example: "Client: Warcraft II Ver: 220.127.116.11 Country: CAN"
I removed versioncheck now.
Oh, so this is disabled now. Is it correct that for it to be enabled, everyone must have their version "checked" at log-in and that this creates a login problem for some hackers? I guess I didn't understand that completely before.