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Siebel Security Hardening Guide > Securing the Operating System > Securing the Siebel File System > Excluding Unsafe File Types from the Siebel File SystemYou can prevent files with a specific file extension from being saved to the Siebel File System by enabling the File Ext Check system preference. This topic describes how to implement file extension checking, and how to specify the file types you want to exclude from the Siebel File System. When you select a file type to be excluded, Siebel Application Object Manager components are prevented from adding any files with that file extension to the Siebel File System, including files from external sources, such as Siebel CRM Desktop, or files from a custom integration point which the Enterprise Application Integration (EAI) Application Object Manager might attempt to add. NOTE: Files with file extensions that you choose to exclude that are added to the Siebel File System before you implement file extension checking are not removed from the system. You must review and remove these existing files manually, if required. About Potentially Unsafe File TypesThe purpose of excluding files with specific file extensions from the Siebel File System is to protect your Siebel CRM implementation from viruses or other malicious code potentially contained in these files. Executable files, such as batch files and program execution files, which are designed to run tasks automatically, are the most obvious types of files you might want to exclude. Table 3 provides a brief list of executable files on Windows and UNIX. For additional information on unsafe file types, see the following:
Enabling File Extension CheckingPerform the steps in the following procedure to enable file extension checking. To enable file extension checking
About File Extension Checking on the Siebel Mobile Web ClientYou can configure file extension checking on the Siebel Server and on Siebel Mobile Web Clients. To implement new system preference values defined on the Siebel Server on the Siebel Mobile Web Client, synchronize the Siebel Mobile Web Client with the Siebel Server, then stop and restart the Siebel Mobile Web Client. The file extension checking settings you specify at the Siebel Server level take precedence over Siebel Mobile Web Client settings. For example, if the file extension .exe is among the list of excluded file extensions on the Siebel Server, but is not excluded by the Siebel Mobile Web Client, when the Siebel Web Client connects to the Siebel Server to synchronize the local database, the following occurs:
During the next synchronization session, the delete operations for the rejected attachment records are executed on the Siebel Mobile Web Client and all the attachment records with the extension .exe are deleted. |
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