What to do in case the server responds with 406 Error – Not Acceptable? – CMS2CMS
What to do in case the server responds with 406 Error – Not Acceptable? – CMS2CMS

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What to do in case the server responds with 406 Error – Not Acceptable?

406 Forbidden error indicates that the server cannot send data in a needed format. 

The error can also be generated by the Mod_security module. The server shows a 406 error when an action violates one of the module’s rules.

Try the following solutions to resolve the issue:

  1. Your firewall may be causing this error by blocking access to the server for our IP addresses. To enable data exchange between your websites, ask your hosting provider to add the following IPs to the whitelist or do it on your own:
  • 196.16.199.139:48990
  • 172.241.133.88:48990
  • 172.241.134.193:48990
  • 168.81.218.69:48990
  • 139.99.164.137:48990
  • 144.168.172.96:48990
  • 45.67.63.171:48990
  • 196.17.104.170:48990
  • 168.81.42.68:48990
  • 160.116.3.64:48990
  • 94.242.244.34:48990
  • 196.19.215.106:48990

This should be done to enable data exchange between your websites. After the migration is complete, you’ll be able to remove our IPs from the whitelist. 

  1. You can turn off Mod_security during the migration process. It can also be disabled on a on a VPS or Dedicated Server.
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