diff --git a/utils/dotnet/Devolutions.Gateway.Utils.Tests/JsonSerializationTests.cs b/utils/dotnet/Devolutions.Gateway.Utils.Tests/JsonSerializationTests.cs
index 7cac82088..97a40e860 100644
--- a/utils/dotnet/Devolutions.Gateway.Utils.Tests/JsonSerializationTests.cs
+++ b/utils/dotnet/Devolutions.Gateway.Utils.Tests/JsonSerializationTests.cs
@@ -82,6 +82,29 @@ public void JmuxClaimsHttpAllowAnyAdditional()
         Assert.Equal(EXPECTED, result);
     }
 
+    [Fact]
+    public void JmuxClaimsHttpAllowAnyPort()
+    {
+        const string EXPECTED = """{"dst_hst":"http://hello.world:0","dst_addl":["https://example.com:0","tcp://test.com:0"],"jet_ap":"http","jet_aid":"3e7c1854-f1eb-42d2-b9cb-9303036e50da","jet_gw_id":"ccbaad3f-4627-4666-8bb5-cb6a1a7db815"}""";
+
+        var claims = new JmuxClaims(gatewayId, "http://hello.world:80", ApplicationProtocol.Http, sessionId);
+        claims.AdditionalDestinations = new List<TargetAddr> { "https://example.com:443", "tcp://test.com:8080" };
+        claims.HttpAllowAnyPort();
+        string result = JsonSerializer.Serialize(claims);
+        Assert.Equal(EXPECTED, result);
+    }
+
+    [Fact]
+    public void JmuxClaimsHttpAllowAnything()
+    {
+        const string EXPECTED = """{"dst_hst":"http://hello.world:80","dst_addl":["http://*:0","https://*:0"],"jet_ap":"http","jet_aid":"3e7c1854-f1eb-42d2-b9cb-9303036e50da","jet_gw_id":"ccbaad3f-4627-4666-8bb5-cb6a1a7db815"}""";
+
+        var claims = new JmuxClaims(gatewayId, "http://hello.world", ApplicationProtocol.Http, sessionId);
+        claims.HttpAllowAnything();
+        string result = JsonSerializer.Serialize(claims);
+        Assert.Equal(EXPECTED, result);
+    }
+
     [Fact]
     public void AssociationClaims()
     {
diff --git a/utils/dotnet/Devolutions.Gateway.Utils/src/JmuxClaims.cs b/utils/dotnet/Devolutions.Gateway.Utils/src/JmuxClaims.cs
index 4e00682dc..5daee5309 100644
--- a/utils/dotnet/Devolutions.Gateway.Utils/src/JmuxClaims.cs
+++ b/utils/dotnet/Devolutions.Gateway.Utils/src/JmuxClaims.cs
@@ -78,6 +78,35 @@ public void HttpExpandAdditionals()
         }
     }
 
+    /// <summary>Modify all destinations to set the port to 0 (wildcard port).</summary>
+    public void HttpAllowAnyPort()
+    {
+        // Set the main destination port to 0
+        this.Destination = new TargetAddr(this.Destination.Scheme, this.Destination.Host, 0);
+
+        // Set all additional destinations ports to 0
+        if (this.AdditionalDestinations != null)
+        {
+            for (int i = 0; i < this.AdditionalDestinations.Count; i++)
+            {
+                var dest = this.AdditionalDestinations[i];
+                this.AdditionalDestinations[i] = new TargetAddr(dest.Scheme, dest.Host, 0);
+            }
+        }
+    }
+
+    /// <summary>Insert *:0 to allow any port for any destination.</summary>
+    public void HttpAllowAnything()
+    {
+        if (this.AdditionalDestinations is null)
+        {
+            this.AdditionalDestinations = new List<TargetAddr>();
+        }
+
+        this.AdditionalDestinations.Add(new TargetAddr("http", "*", 0));
+        this.AdditionalDestinations.Add(new TargetAddr("https", "*", 0));
+    }
+
     public string GetContentType()
     {
         return "JMUX";