From a5cfd9fdb9829d3c464c022ab2b1586c0cafa1b5 Mon Sep 17 00:00:00 2001
From: Khy <sothavirak@gmail.com>
Date: Sat, 3 Aug 2019 14:47:04 +0800
Subject: [PATCH] Downgrade AuthenticationFilter modifier

Fixes gh-7177
---
 .../security/web/authentication/AuthenticationFilter.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/src/main/java/org/springframework/security/web/authentication/AuthenticationFilter.java b/web/src/main/java/org/springframework/security/web/authentication/AuthenticationFilter.java
index a62bc084ad..0f539842f0 100644
--- a/web/src/main/java/org/springframework/security/web/authentication/AuthenticationFilter.java
+++ b/web/src/main/java/org/springframework/security/web/authentication/AuthenticationFilter.java
@@ -166,7 +166,7 @@ public class AuthenticationFilter extends OncePerRequestFilter {
 		this.successHandler.onAuthenticationSuccess(request, response, chain, authentication);
 	}
 
-	public Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response)
+	protected Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response)
 			throws AuthenticationException, IOException, ServletException {
 		Authentication authentication = this.authenticationConverter.convert(request);
 		if (authentication == null) {