Symptoms
- Some content (e.g. images) of the website example.com hosted in Plesk is not shown correctly
- In the network tab of a web browser development console (F12) these elements have response code 403.
- The detailed error code is 403.502 is shown in the failed requests with enabled Failed Requests Tracing via Domains > example.com > Failed Requests Tracing with the following parameters:
- Status codes - 403
- Provider - WWW Server
Cause
Code 403.502 - Too many requests from the same client IP; Dynamic IP Restriction limit reached.
Resolution
1.Log in to Plesk
2.Navigate to Domains > example.com > IIS Settings
3.Either disable the option Deny IP addresses based on the number of requests over a period of time or adjust the Maximum number of requests and/or Time period:
(https://pix.cobrasoft.org/images/2024/12/03/mceclip1.png)