Why there will be 502, snapshots after using WebGuard?
The reason may as follow:
- 1.The source website down or intermittent seriously slow.Please check the survival status of source website . How to check the source website status
- 2.The response time of source website exceed 30 seconds.The request time more than 30 seconds will be disconected by WebGuard ,and Display 502.
- 3.Please check if the source IP in the DNS configuration of WebGuard is correct, whether there remains IPS is wrong or no longer in use.
- 4.Please check if the firewall of source website blocked the IPs of WebGuard nodes. see the FAQ for details
- -If the firewall of ISP blocked ,the IPs of WebGuard nodes. please contact the ISP to unlock and add the IP segments to whitelist.
- -If the firewall of server (safedog, etc.) blocked the IPs of WebGuard nodes, please add the IP segments to the whitelist of the server firewall.
- -if you have not any firewall on server, please contact with your IDC, and add the IP segments of WebGuard to the whitelist of the IDC