res << "<Macro http-pkp-#{site}>"
if pin_info.size >= 2 then
pin_info = pin_info.map{ |x| x.gsub('"', '\"') }
- pin_info << "max-age=300"
+ pin_info << "max-age=1209600"
pin_str = pin_info.join("; ")
res << " Header always set Public-Key-Pins \"#{pin_str}\""
else