Firewall Configuration
Configuring Firewall Rules to Control Inbound and Outbound
Traffic
Cisco SA 500 Series Security Appliances Administration Guide
You can use the Firewall pages to configure firewall rules that control outbound
and inbound traffic and to specify other settings that protect your network.
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Configuring Firewall Rules to Control Inbound and Outbound Traffic
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Prioritizing Firewall Rules
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Firewall Rule Configuration Examples
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Using Other Tools to Prevent Attacks, Restrict Access, and Control
Inbound Traffic
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Port Triggering
•
SIP
By default, your firewall prevents inbound access and allows all outbound access.
If you want to allow some inbound access or prevent some outbound access, you
must configure firewall rules. You can choose how and to whom the rules apply
and can specify these settings:
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Services or traffic types (examples: web browsing, VoIP, other standard
services and also custom services that you define)
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Direction of the traffic
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Days of the week and times of day
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Keywords in a domain name or on a URL of a web page
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MAC addresses of devices
•
Port triggers
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