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The SBC 1000/2000 ASM module provides the ability to can configure the Windows Firewall on the ASM for incoming traffic. This feature is separate from the SBC 1000/2000 IP Protocol ACLs which may be applied to the ASM Port for inbound and forwarding traffic on the SBC 2000.
By default, inbound connections that do not match a rule are denied, and specific rules must be added to allow specific traffic. The order of the rules is not important, ; network traffic that matches both an active deny and an active allow rule is blocked.
The Windows Firewall can have three types of rules:
- Original Windows rules are seen when the ASM is first installed.
- Skype-required rules are created when Skype is deployed and the required SBC-Comms required rules are created when the ASM is first installed.
- SBC User-Created rules via the WEBUI.
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| highly recommends that the Windows Firewall on the ASM never be changed via Remote Desktop. Any change made by Remote Desktop on the SBC User-Created rules will be are overwritten each time a SBC User-Created rules are modified or added via the WebUI, ASM or SBC chassis restarts. |
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The following ports are required for the SBC and ASM to communicate, ; do not Deny one of them: - UDP 111, 1048 and 2049
- TCP 111
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