Manual Security Trimming by SharePoint:SPSecurityTrimmedControl

<SharePoint:SPSecurityTrimmedControl ID=”SPSecurityTrimmedControlName″ PermissionsString=”BrowseDirectories” runat=”server”>

The markup that needs to be security trimmed goes here.

</SharePoint:SPSecurityTrimmedControl>

 

Here are the permissions you can use, you can add multiple using commas:

• AddAndCustomizePages
• AddDelPrivateWebParts
  Add or remove personal Web Parts on a Web Part Page.
• AddListItems
  Add items to lists, add documents to document libraries, and add Web discussion comments.
• ApplyStyleSheets
  Apply a style sheet (.css file) to the Web site.
• ApplyThemeAndBorder
  Apply a theme or borders to the entire Web site.
• ApproveItems
  Approve a minor version of a list item or document.
• BrowseDirectories
  Enumerate files and folders in a Web site using Microsoft Office SharePoint Designer 2007 and WebDAV interfaces.
• BrowseUserInfo
  View information about users of the Web site.
• CancelCheckout
  Discard or check in a document which is checked out to another user.
• CreateAlerts
  Create e-mail alerts.
• CreateGroups
  Create a group of users that can be used anywhere within the site collection.
• CreateSSCSite
  Create a Web site using Self-Service Site Creation.
• DeleteListItems
  Delete items from a list, documents from a document library, and Web discussion comments in documents.
• DeleteVersions
  Delete past versions of a list item or document.
• EditListItems
  Edit items in lists, edit documents in document libraries, edit Web discussion comments in documents, and customize Web Part Pages in document libraries.
• EditMyUserInfo
  Allows a user to change his or her user information, such as adding a picture.
• EmptyMask
  Has no permissions on the Web site. Not available through the user interface.
• EnumeratePermissions
  Enumerate permissions on the Web site, list, folder, document, or list item.
• FullMask
  Has all permissions on the Web site. Not available through the user interface.
• ManageAlerts
  Manage alerts for all users of the Web site.
• ManageLists
  Create and delete lists, add or remove columns in a list, and add or remove public views of a list.
• ManagePermissions
  Create and change permission levels on the Web site and assign permissions to users and groups.
• ManagePersonalViews
  Create, change, and delete personal views of lists.
• ManageSubwebs
  Create subsites such as team sites, Meeting Workspace sites, and Document Workspace sites. 
• ManageWeb
  Grant the ability to perform all administration tasks for the Web site as well as manage content. Activate, deactivate, or edit properties of Web site scoped Features through the object model or through the user interface (UI). When granted on the root Web site of a site collection, activate, deactivate, or edit properties of site collection scoped Features through the object model. To browse to the Site Collection Features page and activate or deactivate site collection scoped Features through the UI, you must be a site collection administrator.
• Open
  Allow users to open a Web site, list, or folder to access items inside that container.
• OpenItems
  View the source of documents with server-side file handlers.
• UpdatePersonalWebParts
  Update Web Parts to display personalized information.
• UseClientIntegration
  Use features that launch client applications; otherwise, users must work on documents locally and upload changes. 
• UseRemoteAPIs
  Use SOAP, WebDAV, or Microsoft Office SharePoint Designer 2007 interfaces to access the Web site.
• ViewFormPages
  View forms, views, and application pages, and enumerate lists.
• ViewListItems
  View items in lists, documents in document libraries, and view Web discussion comments.
• ViewPages
  View pages in a Web site.
• ViewUsageData
  View reports on Web site usage.
• ViewVersions

from http://raiumair.wordpress.com/2009/08/05/security-trim-control/