DNCacheLAN_ItemIndex := 0 ;
  DNCacheLog_Checked := false ;
  DNCacheMax_Text := '' ;
  DNCacheMethod_ItemIndex := 0 ;
  IpConnType_ItemIndex := 0 ;
  IpConnsSecs_Text := '' ;
  IpFamily_ItemIndex := 0 ;
  LocalIPv4_Text := '' ;
  LocalIPv6_Text := '' ;
  LookupHost_Text := '' ;
  LookupHost_Items.Clear ;
  MonIpAddrChanges_Checked := false ;
  NameDnsOpt_ItemIndex := 0 ;
  NameHostName_Text := '' ;
  NameHostName_Items.Clear ;
  NameQueryType_ItemIndex := 0 ;
  NameHostName_Items.Clear ;
  NameProtoTCP_Checked := false ;
  NameServerIP_Text := '' ;
  NameServerIP_Items.Clear ;
  NameServerPublic_ItemIndex := 0 ;
  NeigbDevCache_Text := '' ;
  NeigbDevIPv4_Text := '' ;
  NeigbDevIPv6_Text := '' ;
  NeigbDevScan_Text := '' ;
  NeigbDevTot_Text := '' ;
  NeighbPermAddr_Checked := false ;
  PingCount_Text := '' ;
  PingLog_Checked := false ;
  PingQueryName_Text := '' ;
  PingQueryName_Items.Clear ;
  PingTimeoutMs_Text := '' ;
  ResolveIpRem_Text := '' ;
  RevExtra_Text := '' ;
  RevLookAddr_Text := '' ;
  RevLookAddr_Items.Clear ;
  TraceErrors_Text := '' ;
  WhoisQueryName_Text := '' ;
  WhoisQueryName_Items.Clear ;
  WhoisServer_Text := '' ;
  WhoisServer_Items.Clear ;