An interesting situation arose when someone sent an email with our 
server URL that included a period (dot) at the end of the domain name 
like this:

http://www.servername.edu.

and they actually included the period as part of the link.  It throws a 
nasty SSL warning.

Strangely, it does not say "server not found".  Instead, it goes to the 
server, but when the SSL portion of the page loads, a big fat SSL 
warning shows up because "www.servername.edu." does NOT match the SSL 
name of "www.servername.edu"

Even more strange, utilities like ping, nslookup and tracert all allow 
this convention as well, without throwing "not found" errors.

Interestingly Google Chrome does NOT complain about a mismatched SSL name.

Anyway, anyone seen this?  Can anyone shed some light as to why a period 
at the end of a hostname is "acceptable"?

I tried searching Google for [(dot OR period) "end of (domain OR server) 
name"] but it didn't come up with much.

Any insight is appreciated.

Dan

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