Another solution, with one ligne (works with FireFox) :
echo "application/x-shockwave-flash swf swfl" >> ~/.mime.types
Source : http://askubuntu.com/questions/478169/why-cant-firefox-run-local-swf-files
Another solution, with one ligne (works with FireFox) :
echo "application/ x-shockwave- flash swf swfl" >> ~/.mime.types
Source : http:// askubuntu. com/questions/ 478169/ why-cant- firefox- run-local- swf-files