if ( minVer != null || maxVer != null ) {
            initProtocolVersions(minVer, maxVer);
        }
        else {
            boolean smb2 = Config.getBoolean(p, "jcifs.smb.client.enableSMB2", true);
            boolean nosmb1 = Config.getBoolean(p, "jcifs.smb.client.disableSMB1", false);
            initProtocolVersions(nosmb1 ? DialectVersion.SMB202 : null, !smb2 ? DialectVersion.SMB1 : null);
        }