dotnet-core_mail-server/MailServer/DNSClient/Enums/NsClass.cs

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2016-11-23 21:32:40 +00:00
/**********************************************************************
* Copyright (c) 2010, j. montgomery *
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* *
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using System;
using System.Collections.Generic;
using System.Text;
namespace DnDns.Enums
{
/// <summary>
/// RFC 1035:
///
/// 3.2.4. CLASS values
///
/// CLASS fields appear in resource records. The following CLASS mnemonics
/// and values are defined:
///
/// IN 1 the Internet
///
/// CS 2 the CSNET class (Obsolete - used only for examples in
/// some obsolete RFCs)
///
/// CH 3 the CHAOS class
///
/// HS 4 Hesiod [Dyer 87]
///
/// 3.2.5. QCLASS values
///
/// QCLASS fields appear in the question section of a query. QCLASS values
/// are a superset of CLASS values; every CLASS is a valid QCLASS. In
/// addition to CLASS values, the following QCLASSes are defined:
///
/// * 255 any class
/// </summary>
public enum NsClass : byte
{
/// <summary>
/// Cookie?? - NOT IMPLEMENTED
/// </summary>
INVALID = 0,
/// <summary>
/// // Internet (inet), RFC 1035
/// </summary>
INET = 1,
/// <summary>
/// MIT Chaos-net, RFC 1035 - NOT IMPLEMENTED
/// </summary>
CHAOS = 3,
/// <summary>
/// MIT Hesiod, RFC 1035 - NOT IMPLEMENTED
/// </summary>
HS = 4,
/// <summary>
/// RFC 2136 - None
/// prereq sections in update requests -- NOT IMPLEMENTED
/// </summary>
NONE = 254,
/// <summary>
/// Any QCLASS only, Wildcard match, RFC 1035 - IMPLEMENTED for INET only
/// </summary>
ANY = 255
}
}