diff --git a/cas-client-core/src/main/java/org/jasig/cas/client/authentication/Saml11AuthenticationFilter.java b/cas-client-core/src/main/java/org/jasig/cas/client/authentication/Saml11AuthenticationFilter.java
new file mode 100644
index 0000000..80a6669
--- /dev/null
+++ b/cas-client-core/src/main/java/org/jasig/cas/client/authentication/Saml11AuthenticationFilter.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2010 The JA-SIG Collaborative. All rights reserved. See license
+ * distributed with this file and available online at
+ * http://www.ja-sig.org/products/cas/overview/license/index.html
+ */
+package org.jasig.cas.client.authentication;
+
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+
+/**
+ * Extension to the default Authentication filter that sets the required SAML1.1 artifact parameter name and service parameter name.
+ * <p>
+ * Note, the "final" on this class helps ensure the compliance required in the initInternal method.
+ *
+ * @author Scott Battaglia
+ * @since 3.1.12
+ * @version $Revision$ $Date$
+ */
+public final class Saml11AuthenticationFilter extends AuthenticationFilter {
+
+    protected void initInternal(final FilterConfig filterConfig) throws ServletException {
+        super.initInternal(filterConfig);
+
+        log.warn("SAML1.1 compliance requires the [artifactParameterName] and [serviceParameterName] to be set to specified values.");
+        log.warn("This filter will overwrite any user-provided values (if any are provided)");
+
+        setArtifactParameterName("SAMLart");
+        setServiceParameterName("TARGET");
+    }
+}
diff --git a/cas-client-core/src/main/java/org/jasig/cas/client/validation/Saml11TicketValidationFilter.java b/cas-client-core/src/main/java/org/jasig/cas/client/validation/Saml11TicketValidationFilter.java
index 4572e00..2291b36 100644
--- a/cas-client-core/src/main/java/org/jasig/cas/client/validation/Saml11TicketValidationFilter.java
+++ b/cas-client-core/src/main/java/org/jasig/cas/client/validation/Saml11TicketValidationFilter.java
@@ -6,24 +6,37 @@
 package org.jasig.cas.client.validation;
 
 import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
 
 /**
  * Implementation of TicketValidationFilter that can instanciate a SAML 1.1 Ticket Validator.
  * <p>
  * Deployers can provide the "casServerUrlPrefix" and "tolerance" properties of the Saml11TicketValidator via the
  * context or filter init parameters.
+ * <p>
+ * Note, the "final" on this class helps ensure the compliance required in the initInternal method.
  *
  * @author Scott Battaglia
  * @version $Revision$ $Date$
  * @since 3.1
  */
-public class Saml11TicketValidationFilter extends AbstractTicketValidationFilter {
+public final class Saml11TicketValidationFilter extends AbstractTicketValidationFilter {
 
     public Saml11TicketValidationFilter() {
         setArtifactParameterName("SAMLart");
         setServiceParameterName("TARGET");
     }
 
+    protected void initInternal(final FilterConfig filterConfig) throws ServletException {
+        super.initInternal(filterConfig);
+
+        log.warn("SAML1.1 compliance requires the [artifactParameterName] and [serviceParameterName] to be set to specified values.");
+        log.warn("This filter will overwrite any user-provided values (if any are provided)");
+
+        setArtifactParameterName("SAMLart");
+        setServiceParameterName("TARGET");
+    }
+
     protected final TicketValidator getTicketValidator(final FilterConfig filterConfig) {
         final Saml11TicketValidator validator = new Saml11TicketValidator(getPropertyFromInitParams(filterConfig, "casServerUrlPrefix", null));
         final String tolerance = getPropertyFromInitParams(filterConfig, "tolerance", "1000");