SpeedStream Router User Guide
machine that will be accessible to inbound traffic.
- or -
Select Enable DMZ with this Host name; then select the host name from the drop-down list.
3. Select how long you want the settings to remain permanently, until the next reboot, or for a specified
number of minutes.
4. To accept the settings, click Apply.
Custom IP Filter Rules
You can configure the SpeedStream Router firewall to perform IP filtering and stateful inspection of
packets. The firewall supports a rules database to allow sophisticated access tailoring. A network
conversation is first authorized by verifying the packet against the current rules database configured
within the firewall. If the first packet of a conversation is allowed, then a dynamic state engine takes over
and tracks that conversation. All protocols are tracked whether they are stream-based or not; i.e., ICMP,
UDP, TCP, GRE.
The filtering rules database gives you control over the configurable firewall rules. Rules can be filter-
based on any of the following:
Source and destination router interfaces •
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IP protocols
Direction of traffic flow
Source and destination network/host IP address
Protocol-specific attributes such as ICMP message types
Source and destination port ranges (for protocols that support them), and support for port comparison
operators such as less than, greater than, and equal to.
Rules can specifically allow or deny packets to flow through the router. Default actions taken when no
specific rule applies can also be configured.
Note You must have previously selected Custom Level in the Firewall - Simple Setup & Control
window.
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