SAML SLO could potentially send hundred of POST requests to the server

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 6.2.X EE, 7.0.X EE, 7.1.X, Master
• Component/s: Application Security > SAML
• Labels:
  • QA-B
  • liferay-saml-2.0-provider-3.1.0
• Branch Version/s:
  7.0.x, 6.2.x
• Backported to Branch:
  Committed
• Story Points: 1.25
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal-ee/pull/14696

Steps to Reproduce

1. Set up SAML IdP and SP
2. Log in to the SP
3. Access the IdP
4. Shut down the SP
5. Start SLO from the IdP
6. Monitor the network traffic and see hundreds of requests for /c/portal/saml/slo_logout?cmd=status