This plugin can block "Tor access", "Proxy Access", "Commandline Access" and more.
When it blocks unauthorized access, you can choose setting "Show message" or "Redirect".
Googlebot,Twitterbot and other crawler can access own wordpress.
list of exception.
"google","msn","yahoo","bing","hatena",
"data-hotel","
twttr.com","
eset.com","
linkedin.com",
"
ahrefs.com","
webmeup.com","
grapeshot.co.uk","
blogmura.com",
"
apple.com","
microad.jp","
linode.com","
shadowserver.org","
ezweb.ne.jp"
You can add exceptions IP or UserAgent.
See more "Secreenshot".