+Another slightly more intelligent robots.txt file example allows for some bot indexing (good for your site in google, etc), but also stops your Koha from getting thrashing by ignoring URLs that cause heavy search load
+
+-------------------------------------------
+# do some indexing, but dont index search URLs
+User-agent: *
+Disallow: /cgi-bin/koha/opac-search.pl
+-------------------------------------------
+