October 2017
Intermediate to advanced
456 pages
9h 56m
English
Content preview from Industrial Cybersecurity
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Configuring the Cisco ASA firewall
The following steps will guide you through configuring the Cisco ASA firewall:
- First, we are adding an access rule that will allow the WSUS server to connect to the internet (Microsoft update servers). Navigate to Access Rules within the Firewall pane:
- Add Permit Access Rule.
- Interface is IDMZ.
- Source is IDMZ_WSUSServer_IP.
- Destination is Enterprise_Subnet.
- Service is HTTP, HTTPS, DNS.
If you are really security conscious, you can add a URL filter that restricts access to only the following sites:
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