SonicOS 7.0 Security Services Administration Guide

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Technical Documentation > SonicOS 7.0 Security Services Administration Guide > Managing the SonicWall Gateway Anti-Virus Service > Setting Up SonicWall Gateway Anti-Virus Protection > Specifying Protocol Filtering > Enabling Inbound Inspection

Enabling Inbound Inspection

By default, SonicWall Gateway Anti-Virus inspects all inbound HTTP, FTP, IMAP, SMTP and POP3 traffic. Generic TCP Stream can optionally be enabled to inspect all other TCP-based traffic, such as non-standard ports of operation for SMTP and POP3, and IM and P2P protocols.

Within the context of SonicWall Gateway Anti-Virus, the Enable Inbound Inspection protocol traffic handling refers to:

  • Non-SMTP traffic initiating from a Trusted, Wireless, or Encrypted zone destined to any zone.
  • Non-SMTP traffic from a Public zone destined to an Untrusted zone.
  • SMTP traffic initiating from a non-Trusted zone destined to a Trusted, Wireless, Encrypted, or Public zone.
  • SMTP traffic initiating from a Trusted, Wireless, or Encrypted zone destined to a Trusted, Wireless, or Encrypted zone.
SMTP Traffic
To Trusted Encrypted Wireless Public Untrusted
From
Trusted ✔ ✔ ✔
Encrypted ✔ ✔ ✔
Wireless ✔ ✔ ✔
Public ✔ ✔ ✔ ✔ ✔
Untrusted ✔ ✔ ✔ ✔ ✔

All of the Other Traffic
To Trusted Encrypted Wireless Public Untrusted
From
Trusted ✔ ✔ ✔ ✔ ✔
Encrypted ✔ ✔ ✔ ✔ ✔
Wireless ✔ ✔ ✔ ✔ ✔
Public ✔
Untrusted

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