Case: 00009005

Managing Internal Gateway Error

Problem Statement

The client getting 502 Internal Server Error while running the applicaton which is behind the WAF solution

Solution

1. On getting 502 error customer checks the respective server configured with WAF, the backend server IP should be correct along with the Port.

2. The Customer checks the server settings and ensures the Server "Down" field is set to FALSE.

Server Page Under Server Group

3. Customer can go to the incident section under WAF, and check the details related to errors in incidents directly or can use the reference id of an error.

Haltdos Error Page With Reference ID

Error Recorded by WAF is Shown Under Incidents

4. The Customer can check by disabling the error handling under the Listeners settings.

Listener Setting Page

5. The Customer can check the WAF working by checking the WAF services and logs.

Offloader Service Is Running and Up

No Error is Captured Under the Lua Logs