Web Application Firewall

This transfer is blocked by a Web Application Firewall.

This transfer is blocked.
URL http://www.gpa-djp.at/servlet/BlobServer?blobcol=urldokument&blobheadername1=content-type&blobheadername2=content-disposition&blobheadervalue1=application/pdf&blobheadervalue2=inline%3B+filename%3D%22newsletter_work%2540flex%252C_101%252C_Februar_2013.pdf%22&blobkey=id&root=GPA&blobnocache=false&blobtable=Dokument&blobwhere=1356596170479
Event ID 40000137
Event Type signature