diff --git a/src/main/java/eu/dnetlib/uoaauthorizationlibrary/security/EntryPoint.java b/src/main/java/eu/dnetlib/uoaauthorizationlibrary/security/EntryPoint.java
new file mode 100644
index 0000000..5efc4d0
--- /dev/null
+++ b/src/main/java/eu/dnetlib/uoaauthorizationlibrary/security/EntryPoint.java
@@ -0,0 +1,19 @@
+package eu.dnetlib.uoaauthorizationlibrary.security;
+
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.web.AuthenticationEntryPoint;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+public class EntryPoint implements AuthenticationEntryPoint {
+
+    @Override
+    public void commence(HttpServletRequest request, HttpServletResponse response,
+                         AuthenticationException authException) throws IOException {
+        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, authException.getMessage());
+    }
+
+}
+
diff --git a/src/main/java/eu/dnetlib/uoaauthorizationlibrary/security/RedisConfig.java b/src/main/java/eu/dnetlib/uoaauthorizationlibrary/security/RedisConfig.java
deleted file mode 100644
index 9b02566..0000000
--- a/src/main/java/eu/dnetlib/uoaauthorizationlibrary/security/RedisConfig.java
+++ /dev/null
@@ -1,48 +0,0 @@
-package eu.dnetlib.uoaauthorizationlibrary.security;
-
-import org.apache.log4j.Logger;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
-import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
-import org.springframework.session.web.http.CookieSerializer;
-import org.springframework.session.web.http.DefaultCookieSerializer;
-
-@Configuration
-@EnableRedisHttpSession
-public class RedisConfig {
-
-    private static final Logger logger = Logger.getLogger(RedisConfig.class);
-
-    @Value("${redis.host:localhost}")
-    private String host;
-
-    @Value("${redis.port:6379}")
-    private String port;
-
-    @Value("${redis.password:#{null}}")
-    private String password;
-
-    @Value("${webbapp.front.domain:.openaire.eu}")
-    private String domain;
-
-    @Bean
-    public LettuceConnectionFactory connectionFactory() {
-        logger.info(String.format("Redis connection listens to %s:%s ",host,port));
-        LettuceConnectionFactory factory = new LettuceConnectionFactory(host,Integer.parseInt(port));
-        if(password != null) factory.setPassword(password);
-        return factory;
-    }
-
-    @Bean
-    public CookieSerializer cookieSerializer() {
-        logger.info("Cookie Serializer: Domain is "+domain);
-        DefaultCookieSerializer serializer = new DefaultCookieSerializer();
-        serializer.setCookieName("openAIRESession"); // <1>
-        serializer.setCookiePath("/"); // <2>
-//        serializer.setDomainNamePattern(""); //with value "" set's the domain of the service e.g scoobydoo.di.uoa.gr
-        serializer.setDomainName(domain);
-        return serializer;
-    }
-}
\ No newline at end of file