Added DNS firewall configuration

src/Extensions/Cloudflare.Dns/Requests/DNSFirewallClusterRequestBase.cs

@@ -0,0 +1,93 @@
+namespace AMWD.Net.Api.Cloudflare.Dns
+{
+	/// <summary>
+	/// Represents a request to create a DNS Firewall cluster with specific configuration settings.
+	/// </summary>
+	public abstract class DNSFirewallClusterRequestBase
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="CreateDNSFirewallClusterRequest"/> class.
+		/// </summary>
+		/// <param name="accountId">The account identifier.</param>
+		public DNSFirewallClusterRequestBase(string accountId)
+		{
+			AccountId = accountId;
+		}
+
+		/// <summary>
+		/// The account identifier.
+		/// </summary>
+		public string AccountId { get; set; }
+
+		/// <summary>
+		/// Upstream DNS server IPs.
+		/// </summary>
+		public IReadOnlyCollection<string>? UpstreamIps { get; set; }
+
+		/// <summary>
+		/// Attack mitigation settings.
+		/// </summary>
+		public AttackMitigation? AttackMitigation { get; set; }
+
+		/// <summary>
+		/// Whether to refuse to answer queries for the ANY type.
+		/// </summary>
+		public bool? DeprecateAnyRequests { get; set; }
+
+		/// <summary>
+		/// Whether to forward client IP (resolver) subnet if no EDNS Client Subnet is sent.
+		/// </summary>
+		public bool? EcsFallback { get; set; }
+
+		/// <summary>
+		/// <para>
+		/// By default, Cloudflare attempts to cache responses for as long as indicated by the TTL received from upstream nameservers.
+		/// This setting sets an upper bound on this duration.
+		/// For caching purposes, higher TTLs will be decreased to the maximum value defined by this setting.
+		/// </para>
+		/// <para>
+		/// This setting does not affect the TTL value in the DNS response Cloudflare returns to clients.
+		/// Cloudflare will always forward the TTL value received from upstream nameservers.
+		/// </para>
+		/// </summary>
+		public int? MaximumCacheTtl { get; set; }
+
+		/// <summary>
+		/// <para>
+		/// By default, Cloudflare attempts to cache responses for as long as indicated by the TTL received from upstream nameservers.
+		/// This setting sets a lower bound on this duration.
+		/// For caching purposes, lower TTLs will be increased to the minimum value defined by this setting.
+		/// </para>
+		/// <para>
+		/// This setting does not affect the TTL value in the DNS response Cloudflare returns to clients.
+		/// Cloudflare will always forward the TTL value received from upstream nameservers.
+		/// </para>
+		/// </summary>
+		/// <remarks>
+		/// Note that, even with this setting, there is no guarantee that a response will be cached for at least the specified duration.
+		/// Cached responses may be removed earlier for capacity or other operational reasons.
+		/// </remarks>
+		public int? MinimumCacheTtl { get; set; }
+
+		/// <summary>
+		/// <para>
+		/// This setting controls how long DNS Firewall should cache negative responses (e.g., NXDOMAIN) from the upstream servers.
+		/// </para>
+		/// <para>
+		/// This setting does not affect the TTL value in the DNS response Cloudflare returns to clients.
+		/// Cloudflare will always forward the TTL value received from upstream nameservers.
+		/// </para>
+		/// </summary>
+		public int? NegativeCacheTtl { get; set; }
+
+		/// <summary>
+		/// Ratelimit in queries per second per datacenter (applies to DNS queries sent to the upstream nameservers configured on the cluster).
+		/// </summary>
+		public int? RateLimit { get; set; }
+
+		/// <summary>
+		/// Number of retries for fetching DNS responses from upstream nameservers (not counting the initial attempt).
+		/// </summary>
+		public int? Retries { get; set; }
+	}
+}