SonicOS 7.0 Rules and Policies for Classic Mode
- SonicOS 7.0 Rules and Policies
- Access Rules
- Setting Firewall Access Rules
- About Connection Limiting
- Using Bandwidth Management with Access Rules
- Creating Access Rules
- Configuring Access Rules for IPv6
- Enabling and Disabling Access Rules
- Editing Access Rules
- Deleting Access Rules
- Restoring Access Rules to Default Settings
- Displaying Access Rules
- Displaying Access Rule Traffic Statistics
- Configuring Access Rules for NAT64
- Configuring Access Rules for a Zone
- Access Rules for DNS Proxy
- User Priority for Access Rules
- Access Rule Configuration Examples
- Setting Firewall Access Rules
- NAT Rules
- About NAT in SonicOS
- About NAT Load Balancing
- About NAT64
- About FQDN-based NAT
- About Source MAC Address Override
- Viewing NAT Policy Entries
- Adding or Editing NAT or NAT64 Rule Policies
- Deleting NAT Policies
- Creating NAT Rule Policies: Examples
- Creating a One-to-One NAT Policy for Inbound Traffic
- Creating a One-to-One NAT Policy for Outbound Traffic
- Inbound Port Address Translation via One-to-One NAT Policy
- Inbound Port Address Translation via WAN IP Address
- Creating a Many-to-One NAT Policy
- Creating a Many-to-Many NAT Policy
- Creating a One-to-Many NAT Load Balancing Policy
- Creating a NAT Load Balancing Policy for Two Web Servers
- Creating a WAN-to-WAN Access Rule for a NAT64 Policy
- DNS Doctoring
- Routing
- Content Filter Rules
- App Rules
- About App Rules
- Rules and Policies > App Rules
- Verifying App Rules Configuration
- App Rules Use Cases
- Creating a Regular Expression in a Match Object
- Policy-based Application Rules
- Logging Application Signature-based Policies
- Compliance Enforcement
- Server Protection
- Hosted Email Environments
- Email Control
- Web Browser Control
- HTTP Post Control
- Forbidden File Type Control
- ActiveX Control
- FTP Control
- Bandwidth Management
- Bypass DPI
- Custom Signature
- Reverse Shell Exploit Prevention
- Endpoint Rules
- SonicWall Support
Defining the Policy
After creating the match objects, you can define a policy that uses them. The image that follows shows the other policy settings. This example as shown is specific for reverse shells in both the Policy Name and the Direction settings. As mentioned, it might also be tailored for a wider scope with the Direction setting changed to Both and a more generic name.
A log entry with a Category of Network Access is generated after a connection Reset/Drop. Log Entry After a Connection Reset/Drop shows the log entry, including the message stating that it is an Application Control Alert and displaying the policy name:
Log Entry After a Connection Reset/Drop
As experience suggests, appropriate security measures would include several layers of intelligence, and no single approach can be considered a definitive defense against hostile code.
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