в конфиге дпрото найди
# for clients that do not support unique id generation
cid_NoSteam47 = 8
cid_NoSteam48 = 10

# For Legit Steam clients
cid_Steam = 1

# Client recognized as pending when they sucessfully authorized, but did not get steam id
# REMARK: Actually, it got steamid, but it is useless (STEAM_0:0:0 for example)
cid_SteamPending = 9

# For players having revEmu ( >= 9.74) on client-side:
cid_RevEmu = 1

# For players having old revEmu on client-side:
cid_OldRevEmu = 1

# For players having hCupa's SteamEmu on client-side:
cid_SteamEmu = 1

игроков с каким протоколом хочешь не пускать измени цифру на 5

# 5: Deprecated - client will be rejected