diff -urNp -x '*.orig' apache-tomcat-7.0.107-src.org/conf/server.xml apache-tomcat-7.0.107-src/conf/server.xml
--- apache-tomcat-7.0.107-src.org/conf/server.xml	2021-11-24 10:19:04.426573110 +0100
+++ apache-tomcat-7.0.107-src/conf/server.xml	2021-11-24 10:19:04.699920632 +0100
@@ -137,6 +137,46 @@
         <!--
         <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
         -->
+	<!--
+		Automatically map a request URI starting with a tilde
+		character ("~") and a username to a directory
+		(commonly named public_html) in that user's home directory
+		on the server.
+	-->
+	<!--
+		Use /etc/passwd file to identify valid users
+	-->
+	<!--
+	<Listener className="org.apache.catalina.startup.UserConfig"
+		directoryName="public_html"
+		userClass="org.apache.catalina.startup.PasswdUserDatabase"/>
+	-->
+	<!--
+		Use all directories found in a specified base directory
+		to be considered "user home" directories
+	-->
+        <!--
+	<Listener className="org.apache.catalina.startup.UserConfig"
+		directoryName="public_html"
+		homeBase="/home/users"
+		userClass="org.apache.catalina.startup.HomesUserDatabase"/>
+	-->
+	<!--
+		Use LDAP search to identify valid users
+		You may need to add ldap server's CA cert to global java keystore
+	-->
+        <!--
+	<Listener className="org.apache.catalina.startup.UserConfig"
+		directoryName="public_html"
+		connectionURL="ldaps://ldap.example.com/"
+		connectionName="uid=tomcat,ou=people,dc=example,dc=com"
+		connectionPassword="secret"
+		searchBase="ou=People,dc=mim,dc=uw,dc=edu,dc=pl"
+		searchFilter="(objectClass=posixAccount)"
+		searchSubtree="false"
+		pageSize="1000"
+		userClass="org.apache.catalina.startup.LDAPUserDatabase"/>
+	-->
 
         <!-- Access log processes all example.
              Documentation at: /docs/config/valve.html