Restrict user from downloading

[tony2143]

Hello,
using windows 7 how to restrict a user from downloading files.

 

[das_stig]

For Internet Explorer ...

Tools / Internet Options / Security / Internet / Custom Level / Downloads / File Download and set to Disable.

For Firefox ...

Delete or rename C:\Program Files\Mozilla Firefox\components\nsHelperAppDlg.js and create or Edit Configuration Files

userChrome.css - remove menu items ...

    @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* set default namespace to XUL */
       /* Do not remove the @namespace line -- it's required for correct functioning */
       /* userChrome.css */
       /* Edit this file and copy it as userChrome.css into your */
       /* profile-directory/chrome/ */
       /* Or add below to exististing userChrome.css */

       /* All Menu Items are both regular and context */
       /* Remove lines for items you want to show */
       /* Last line of this block is { display: none; !important; } */

       /* Save Menu Items */
    menuitem[label="Set As Wallpaper..."],
    menuitem[label="Copy Image"],
    menuitem[label="Save Image As..."],
    menuitem[label="Save Page As..."],
    menuitem[label="Save Link As..."],

       /* Tools Menu Items */
    menuitem[label="Downloads"],
    menuitem[label="Extensions"],
    menuitem[label="Themes"],
    menuitem[label="Options..."]
       /* Preceding line must not have a "," at the end */
    { display: none; !important; }

user.js - sofware install and updates ...

    # Mozilla User Preferences

       /* user.js */
       /* Edit this file and copy it as user.js into your */
       /* profile-directory/ */
       /* Or add below to exististing user.js */

    user_pref("app.update.autoUpdateEnabled", false);
    user_pref("extensions.update.autoUpdateEnabled", false);
    user_pref("xpinstall.enabled", false);

Backup before you make any changes !!!