Digi TX54, User Manual

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Firewall Packet filtering
TX54 User Guide 806
3. Click Firewall > Packet filtering .
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To create a new packet filtering rule, for Add packet filter , click

.
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To edit the default packet filtering rule or another existing packet filtering rule, click to
expand the rule.
The packet filtering rule configuration window is displayed.
Packet filters are enabled by default. To disable, click to toggle off Enable .
4. (Optional) Type a Label that will be used to identify the rule.
5. For Action , select one of:
n Accept : Allows matching network connections.
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Reject : Blocks matching network connections, and sends an ICMP error if appropriate.
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Drop : Blocks matching network connections, and does not send a reply.
6. Select the IP version .
7. Select the Protocol .
8. For Source zone , select the firewall zone that will be monitored by this rule for incoming
connections from network interfaces that are a member of this zone.
See Firewall configuration for more information about firewall zones.
9. For Destination zone , select the firewall zone. Packets destined for network interfaces that are
members of this zone will either be accepted, rejected or dropped by this rule.
See Firewall configuration for more information about firewall zones.
10. Click Apply to save the configuration and apply the change.