The Encapsulated Postscript (EPS) file type is mainly associated with Adobe Illustrator, AI files , XnView, IrfanView, Access with Ghostscript, and with the following MIME types: application/postscript, application/eps, application/x-eps, image/eps, image/x-eps

This SonicWALL signature identifies HTTP downloads of Content-Type: image/x-eps.