execute ibeblock
as
begin
  HTTP = ibec_http_OpenSession('URL=www.ibexpert.com/rus/ibe_sfx.exe');
  try
    if (ibec_http_GetHeader(HTTP)) then
    begin
      last_modified = ibec_http_HeaderSection(HTTP, 'Last-Modified');
      ibec_ShowMessage(
        'Последняя версия: ' + last_modified + ibec_Chr(13) +
        'Текущая версия: ' + ibec_GetIBEVersion()
      );
    end
    else
      ibec_ShowMessage('Ошибка соедининия!');
  finally
    ibec_http_CloseSession(HTTP);
  end;
end

HTTP = ibec_http_OpenSession('URL=www.ibexpert.com/rus/ibe_sfx.exe; Proxy=bla-bla; ProxyPort=123; ProxyUserName=VASYA; ProxyPassword=parol');

execute procedure report_version(ibec_GetIBEVersion);