User can not create a page over IPV6 connection

• Type: Bug
• Status: Verified
• Resolution: Unresolved
• Affects Version/s: 7.2.10 DXP GA1, 7.2.X
• Fix Version/s: None
• Component/s: Pages > Page Administration
• Labels: None
• Fix Priority: 5

1. Add the following properties into portal-ext.properties
   1. redirect.url.ips.allowed=127.0.0.1,SERVER_IP,0:0:0:0:0:0:0:1
   2. tunnel.servlet.hosts.allowed=[0:0:0:0:0:0:0:1]
2. Go to tomcat-9.0.10/bin/
   1. Open "setenv.sh" or "setenv.bat" in a text editor
   2. Set -Djava.net.-Djava.net.preferIPv4Stack=false
   3. Save and close
3. Start up liferay instance
4. Instead of localhost:8080, use [0:0:0:0:0:0:0:1]:8080
5. Sign In
6. Add a page

Expected result:
Page is created.
Actual result:
New page is opened and page is not created. See the attached screenshot.

Tomcat 9.0 + MySQL 5.7.
Portal 7.2.x GIT ID: b492ef9c31607b7e14a086d6f6d92a97f1f92963.