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System Requirements

This Help Center article is for Postini, a suite of Google services that's now discontinued. If you're searching for instructions related to Google Apps, see the Google Apps Help Center. For instructions related to Google Apps Vault, see the Vault Help Center.

Please review the following list of technical requirements for web security:

  • Corporate firewall: To use Web Security, you must have a corporate firewall that allows access to port 8080 and block or lock down port 80.
  • Additional requirements: The Web Security configuration you select may have additional technical requirements. Review the Web Security Administration Guide to learn about any special requirements for your desired setup.
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