User`s manual

Troubleshooting FAQs
The following troubleshooting FAQs are available:
• General administration
• Network configuration
• Firewall policies
• Schedules
• VPN
• Virus protection
• Web content filtering
• Logging
General administration
Q: I am trying to set up some of the firewall options, but it keeps asking me for a password while I
work.
See Changing web-based manager options
.
Q: I can't find the administrator pages on the firewall.
See Logging into the web-based manager
. Use the front panel Keypad to check the IP address of the
interface to which you are trying to connect.
Q: Administration from the Internet does not work.
See Controlling management access to the DFL-500.
Q: Everyone in the world knows the password.
See Adding and editing administrator accounts
.
Q: I just spent a week setting up and things are working perfectly. Is there some way to save the
configuration before making any more changes.
See Backing-up system settings
and Restoring system settings.
Q: How can I get a warning when someone is attacking my network?
See Alert email
.
Network configuration
Q: I am trying to set up the network connections, but I can't seem to ping the firewall.
See Controlling management access to the DFL-500
.
Firewall policies
Q: When I set policies all the computers on the network seem to be affected. The policy for a single
machine is being applied to the entire network.
This most often occurs when adding a single address and forgetting to change the netmask from
255.255.255.0 to 255.255.255.255.
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