(last updated 2009-02-18) Name : Michael Mansell Email : mmansell&ca.ibm.com MIME media type name : Application MIME subtype name : Vendor Tree - vnd.xfdl.webform Required parameters : None Optional parameters : None Encoding considerations : binary This media type may require encoding on transports not capable of handling binary. Security considerations : The mime type is used to initiate actions on the user computer, such as printing a document, or digitally signing a document. The MIME Type is associated with a plugin, and the thus, the plugin does contain executable code. However, the installation of this plugin requires user confirmation, as there is no way to perform this actions automatically. Therefore, the normal security precautions present within all browsers is what protects the user from malicious content. The plugin (or ActiveX control) is digitally signed by IBM, and thus has an increased security measure (the plugin is verified by the browser to have not been tampered with). Lastly, the content that is provided to the plugin does not contain any active content, but instead just the input to the plugin to perform its job (ie. the payload is the document to print, or the payload is the document to sign). Therefore, the payload itself cannot define or execute actions on the user's computer. The content provided is the same document that the user is currently viewing in their browser, just in a format (such as GIF or PNG) that is easier to print accurately or sign accurately than HTML. Thus, the content has the same confidentiality as the original document that triggered this mime type. This means that there are no privacy or integrity issues with this mime type. Interoperability considerations : As this media type is used to load a plugin, and not as a file format, no interoperability considerations exist. Published specification : As this media type is used to load a plugin, and not as a file format, there is no published specification. Applications which use this media : The IBM Lotus Forms Server application uses this media type. Additional information : 1. Magic number(s) : N/A 2. File extension(s) : N/A 3. Macintosh file type code : N/A 4. Object Identifiers: N/A Person to contact for further information : 1. Name : Michael Mansell 2. Email : mmansell&ca.ibm.com Intended usage : Limited Use As this media type is used to load a plugin on behalf of the IBM Lotus Forms software, the intended usage is limited to only the IBM Lotus Forms software. Author/Change controller : (file created 2009-02-18)