That their IP is blocked by our server. Their IT has checked and he says that our site gets through their firewall and that they can access our site from nearly every other connection they have. He said that they are getting an ERROR 403.
How can I "upblock" their particular IP address that he gave me?
Any idea?
Please help.
Thanks!
I didn't find the right solution from the Internet.
References https://www.ostraining.com/support-forum/joomla-support/customer-getting-ip-address-is-blocked-error/
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