Network Security
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Network Security Docs
Configure a File Blocking Profile (Strata Cloud Manager)
Block or monitor specific file types.
- Create the file blocking profile.
- SelectandManageConfigurationNGFW andPrisma AccessSecurity ServicesFile BlockingAdd Profile.
- Enter aNamefor the file blocking profile such asBlock_EXE.
- (Optional) Enter aDescription, such asBlock users from downloading exe files from websites.
- Configure the file blocking options.
- Add Ruleand define a rule for the profile.
- Enter aNamefor the rule, such asBlockEXE.
- SelectAnyor specify one or more specificApplicationsfor filtering, such asweb-browsing.Only web browsers can display the response page (continue prompt) that allows users to confirm their Choosing any other application results in blocked traffic for those applications because there is no prompt displayed to allow users to continue.
- SelectAnyor specify one or more specificFile Types, such asexe.
- Specify theDirection, such asDownload.
- Specify theAction(alert,block, orcontinue).For example, selectcontinueto prompt users for confirmation before they are allowed to download an executable (.exe) file. Alternatively, you couldblockthe specified files or you could configure your environment to simply trigger analertwhen a user downloads an executable file.If a server sends an HTTP response header and the contents of a file in different packets, the file is blocked even if the action for that file type iscontinue.
- SelectSaveto save the profile.
- Create a security profile group and add the File Blocking profile created in step 2 to it.
- Apply the file blocking profile to a security rule.
- Selectand either select an existing security rule orManageConfigurationNGFW andPrisma AccessSecurity ServicesSecurity PolicyAdd Rulea new rule as described in Create a Security Policy Rule.
- On theActionstab, select the file blocking profile you configured in the previous step. In this example, the profile name isBlock_EXE.
- Push Config.
- To test your file blocking configuration, access an endpoint PC in the trust zone and attempt to download an executable file from a website in the untrust zone; a response page should display. ClickContinueto confirm that you can download the file. You can also set other actions, such asalertorblock, which don't provide an option for the user to continue the download. The following shows the default response page for File Blocking:
- (Optional) Define custom file blocking response pages (). This allows you to provide more information to users when they see a response page. You can include information such as company policy information and contact information for a Helpdesk.ManageConfigurationNGFW andPrisma AccessSecurity ServicesFile BlockingResponse PagesWhen you create a file blocking profile with thecontinueaction, you can choose only theweb-browsingapplication. If you choose any other application, traffic that matches the security policy won't flow through because users are not prompted with an option to continue. Additionally, you need to configure and enable a decryption policy for HTTPS websites.Check your logs to determine the application used when you test this feature. For example, if you're using Microsoft SharePoint to download files, even though you're using a web-browser to access the site, the application is actuallysharepoint-base, orsharepoint-document. (It can help to set the application type toAnyfor testing.)