D-Link DFL-860-IPS-12 Product Manual - Page 239
Troubleshooting Access Rule Related Problems, 1.3. Access Rule Settings
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6.1.3. Access Rule Settings Chapter 6. Security Mechanisms If, for some reason, the Default Access Rule log message is continuously being generated by some source and needs to be turned off, then the way to do this is to specify an Access Rule for that source with an action of Drop. Troubleshooting Access Rule Related Problems It should be noted that Access Rules are a first filter of traffic before any other NetDefendOS modules can see it. Sometimes problems can appear, such as setting up VPN tunnels, precisely because of this. It is always advisable to check Access Rules when troubleshooting puzzling problems in case a rule is preventing some other function, such as VPN tunnel establishment, from working properly. Example 6.1. Setting up an Access Rule A rule is to be defined that ensures no traffic with a source address not within the lannet network is received on the lan interface. Command-Line Interface gw-world:/> add Access Name=lan_Access Interface=lan Network=lannet Action=Expect Web Interface 1. Go to Rules > Access 2. Select Access Rule in the Add menu 3. Now enter: • Name: lan_Access • Action: Expect • Interface: lan • Network: lannet 4. Click OK 239