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I have a folder on my webserver (apache), which contains gnupg public keys:

\myfolder
 --- my.gpg
 --- your.gpg

They are chown apache:apache.

I want to make the permissions as strict as possible but leave it possible to have a user view the file online (http://mydomain.com/files/my.gpg).

Why do I have to give the file execute permissions (why is read not enough)?

John