# System.Net.Security

``` diff
 namespace System.Net.Security {
+    public sealed class CipherSuitesPolicy {
+        public CipherSuitesPolicy(IEnumerable<TlsCipherSuite> allowedCipherSuites);
+        public IEnumerable<TlsCipherSuite> AllowedCipherSuites { get; }
+    }
     public class SslClientAuthenticationOptions {
+        public CipherSuitesPolicy CipherSuitesPolicy { get; set; }
     }
     public class SslServerAuthenticationOptions {
+        public CipherSuitesPolicy CipherSuitesPolicy { get; set; }
     }
 }
```

