diff --git a/CHANGELOG.md b/CHANGELOG.md
index e79a2fa..3c05fcc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 2.2.1 (January 8, 2025). Tested on Artifactory 7.98.13 with Terraform 1.10.3 and OpenTofu 1.8.8
+
+BUG FIXES:
+
+* resource/platform_reverse_proxy: Fix validation for optional attributes not working for variables. Issue: [#186](https://github.com/jfrog/terraform-provider-platform/issues/186) PR: [#188](https://github.com/jfrog/terraform-provider-platform/pull/188)
+
 ## 2.2.0 (January 3, 2025). Tested on Artifactory 7.98.12 with Terraform 1.10.3 and OpenTofu 1.8.8
 
 FEATURES:
diff --git a/pkg/platform/resource_reverse_proxy.go b/pkg/platform/resource_reverse_proxy.go
index a7c5a6c..d936094 100644
--- a/pkg/platform/resource_reverse_proxy.go
+++ b/pkg/platform/resource_reverse_proxy.go
@@ -350,9 +350,13 @@ func (r reverseProxyResource) ValidateConfig(ctx context.Context, req resource.V
 		return
 	}
 
+	if config.InternalHostname.IsUnknown() || config.PublicServerName.IsUnknown() || config.SslKeyPath.IsUnknown() || config.SslCertificatePath.IsUnknown() {
+		return
+	}
+
 	switch serverProvider := config.ServerProvider.ValueString(); serverProvider {
 	case "NGINX", "APACHE":
-		if config.InternalHostname.IsNull() || config.InternalHostname.IsUnknown() {
+		if config.InternalHostname.IsNull() {
 			resp.Diagnostics.AddAttributeError(
 				path.Root("internal_hostname"),
 				"Missing Attribute Configuration",
@@ -360,7 +364,7 @@ func (r reverseProxyResource) ValidateConfig(ctx context.Context, req resource.V
 			)
 		}
 
-		if config.PublicServerName.IsNull() || config.PublicServerName.IsUnknown() {
+		if config.PublicServerName.IsNull() {
 			resp.Diagnostics.AddAttributeError(
 				path.Root("public_server_name"),
 				"Missing Attribute Configuration",
@@ -370,7 +374,7 @@ func (r reverseProxyResource) ValidateConfig(ctx context.Context, req resource.V
 	}
 
 	if config.UseHttps.ValueBool() {
-		if config.SslKeyPath.IsNull() || config.SslKeyPath.IsUnknown() {
+		if config.SslKeyPath.IsNull() {
 			resp.Diagnostics.AddAttributeError(
 				path.Root("ssl_key_path"),
 				"Missing Attribute Configuration",
@@ -378,7 +382,7 @@ func (r reverseProxyResource) ValidateConfig(ctx context.Context, req resource.V
 			)
 		}
 
-		if config.SslCertificatePath.IsNull() || config.SslCertificatePath.IsUnknown() {
+		if config.SslCertificatePath.IsNull() {
 			resp.Diagnostics.AddAttributeError(
 				path.Root("ssl_certificate_path"),
 				"Missing Attribute Configuration",
diff --git a/pkg/platform/resource_reverse_proxy_test.go b/pkg/platform/resource_reverse_proxy_test.go
index aa909ff..0e26fc8 100644
--- a/pkg/platform/resource_reverse_proxy_test.go
+++ b/pkg/platform/resource_reverse_proxy_test.go
@@ -57,7 +57,6 @@ func TestAccReverseProxy_full(t *testing.T) {
 	updatedConfig := util.ExecuteTemplate(reverseProxyName, updatedTemp, updatedTestData)
 
 	resource.Test(t, resource.TestCase{
-		PreCheck:                 func() { testAccPreCheck(t) },
 		ProtoV6ProviderFactories: testAccProviders(),
 		Steps: []resource.TestStep{
 			{
@@ -128,7 +127,6 @@ func testAccReverseProxy_missing_internal_hostname(t *testing.T, serverProvider
 	config := util.ExecuteTemplate(reverseProxyName, temp, testData)
 
 	return t, resource.TestCase{
-		PreCheck:                 func() { testAccPreCheck(t) },
 		ProtoV6ProviderFactories: testAccProviders(),
 		Steps: []resource.TestStep{
 			{
@@ -158,7 +156,6 @@ func testAccReverseProxy_missing_public_server_name(t *testing.T, serverProvider
 	config := util.ExecuteTemplate(reverseProxyName, temp, testData)
 
 	return t, resource.TestCase{
-		PreCheck:                 func() { testAccPreCheck(t) },
 		ProtoV6ProviderFactories: testAccProviders(),
 		Steps: []resource.TestStep{
 			{
@@ -201,7 +198,6 @@ func testAccReverseProxy_missing_ssl_key_path(t *testing.T, serverProvider strin
 	config := util.ExecuteTemplate(reverseProxyName, temp, testData)
 
 	return t, resource.TestCase{
-		PreCheck:                 func() { testAccPreCheck(t) },
 		ProtoV6ProviderFactories: testAccProviders(),
 		Steps: []resource.TestStep{
 			{
@@ -235,7 +231,6 @@ func testAccReverseProxy_missing_ssl_certificate_path(t *testing.T, serverProvid
 	config := util.ExecuteTemplate(reverseProxyName, temp, testData)
 
 	return t, resource.TestCase{
-		PreCheck:                 func() { testAccPreCheck(t) },
 		ProtoV6ProviderFactories: testAccProviders(),
 		Steps: []resource.TestStep{
 			{