Hello Issem Neloumra,
Thank you for posting in Q&A forum.
Error 404/408 indicates that IP address is not valid, or another application is using the DNS port, please check the network configuration and connectivity first.
I hope the information above is helpful.
If you have any questions or concerns, please feel free to let us know.
Best Regards,
Daisy Zhou
============================================
If the Answer is helpful, please click "Accept Answer" and upvote it.