fix #1080

irc/handlers.go

 		}
 		clientNick := client.Nick()
 		rb.Add(nil, client.server.name, RPL_WHOISUSER, clientNick, service.Name, service.Name, "localhost", "*", fmt.Sprintf(client.t("Network service, for more info /msg %s HELP"), service.Name))
+		// #1080:
+		rb.Add(nil, client.server.name, RPL_WHOISOPERATOR, clientNick, service.Name, client.t("is a network service"))
 		// hehe
 		if client.HasMode(modes.TLS) {
 			rb.Add(nil, client.server.name, RPL_WHOISSECURE, clientNick, service.Name, client.t("is using a secure connection"))

irc/nickname.go

 var (
 	restrictedNicknames = []string{
 		"=scene=", // used for rp commands
+		"Global",  // global announcements on some networks
+		// common services not implemented by us:
+		"MemoServ", "BotServ", "OperServ",
 	}
 
 	restrictedCasefoldedNicks = make(map[string]bool)