On 25/07/2024 23:31, Nigel Titley wrote:
On 25/07/2024 13:55, Jason Boyer wrote:
While they do ignore robots.txt they do at least supply a recognizable
user agent that you can just block:
RewriteEngine on
RewriteCond %{HTTP_USER_AGENT} "facebookexternalhit|other|bots|here"
RewriteCond %{REQUEST_URI} "!403\.pl" [NC]
RewriteRule "^.*" "-" [F]
Note that second RewriteCond is required or you'll end up with a
redirect loop. They will still be sending you requests but at least
they won't tie up a plack backend doing useless work. I haven't tried
returning 5xx errors to see if that causes them to back off but I
doubt they would take much notice.
I'm assuming that this would be placed in
/etc/koha/apache-shared-opac.conf (I'm not using plack)
I dropped it in and it seems to have worked. OPAC works again and
facebook is being blocked.
Many thanks
Nigel
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