+> If your shared hosting provider is going to randomly break functionality,
+> I would suggest "voting with your wallet" and taking your business to
+> one that does not.
+>
+> In principle we could set the default UA (if `$config{useragent}` is
+> unspecified) to `IkiWiki/3.20140915`, or `IkiWiki/3.20140915 libwww-perl/6.03`
+> (which would be the "most correct" option AIUI), or some such.
+> That might work, or might get randomly blacklisted too, depending on the
+> whims of shared hosting providers. If you can't trust your provider to
+> behave helpfully then there isn't much we can do about it.
+>
+> Blocking requests according to UA seems fundamentally flawed, since
+> I'm fairly sure no hosting provider can afford to blacklist UAs that
+> claim to be, for instance, Firefox or Chrome. I wouldn't want
+> to patch IkiWiki to claim to be an interactive browser by default,
+> but malicious script authors will have no such qualms, so I would
+> argue that your provider's strategy is already doomed... --[[smcv]]
+
+>> I agree, and I'll ask them to fix it (and probably refer them to this page).
+>> One reason they still have my business is that their customer service has
+>> been notably good; I always get a response from a human on the first try,
+>> and on the first or second try from a human who understands what I'm saying
+>> and is able to fix it. With a few exceptions over the years. I've dealt with organizations not like that....
+>>
+>> But I included the note here because I'm sure if _they're_ doing it, there's
+>> probably some nonzero number of other hosting providers where it's also
+>> happening, so a person setting up OpenID and being baffled by this failure
+>> needs to know to check for it. Also, while the world of user-agent strings
+>> can't have anything but relatively luckier and unluckier choices, maybe
+>> `libwww/perl` is an especially unlucky one?
+
+>>> Yippee! _My_ provider found their offending `mod_security` rule and took it out,
+>>> so now [ikiwiki.info](/) accepts my OpenID. I'm still not sure it wouldn't be
+>>> worthwhile to change the useragent default.... -- Chap
+
+