On a related note, please advise... How do I deal with large or very diverse IP ranges that fall under the same hostname?
For example, I've found a network through your IP WHOIS search that falls under GoDaddy's webhosting services, of which a small part appears to present itself under a hostname called 'secureserver.net'. Another network with a completely different IP identifies with the same hostname. IP addresses in both ranges have been blocked for malicious activity.
How do I make sure no other attacks can originate from secureserver.net?
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On an unrelated note -- is there a way to customize the 'blocked'-message in WordFence?