>
http://www.delorie.com/arm/koji-compare-build-times.tar.gz
HTTP request sent, awaiting response... 403 Forbidden
2013-07-12 08:53:13 ERROR 403: Forbidden.
"wget" is blocked unless you're clueful enough to use the -U flag.
Consider it a spot check for "smart enough to not recursively download
my entire web server".
The server should have told you that in the error message.