Foreign image sources foreign-image-sources
Image Serving supports access to source images on foreign HTTP and FTP servers.
To specify a foreign URL for a src=
or a mask=
command; simply delimit the entire embedded URL with curly braces:
…&src={ *foreignUrl*}&…
Full absolute URLs (if attribute::AllowDirectUrls
is set) and URLs relative to attribute::RootUrl
are permitted. An error occurs if an absolute URL is embedded and attribute:: AllowDirectUrls
is 0, or if a relative URL is specified and attribute::RootUrl
is empty.
Foreign images are cached by the server according to the caching headers included with the HTTP response.
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