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- Search Engines
-- Search Engine Spider and User Agent Identification
---- How Blocking Impacts Traffic and Other Web Services
dstiles - 8:02 pm on Apr 30, 2013 (gmt 0)Thread source:: http://www.webmasterworld.com/search_engine_spiders/4569230.htm
Thanks for expanding on my note, Bill.
One thing: HTTPS on web servers uses 443 (usually). And, POP3 uses port 110 and IMAP 143. I'm also careful about who can access those - in fact, more careful: they are my customers' mailboxes!
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