HP SuperStack Firewall Series Manual do Utilizador descarregar pdf (Página 169)

Potential Problems and Solutions 169

■

Remember that passwords are case-sensitive; make sure the Caps

Lock key is off.

■

Click Reload or Refresh in the Web browser and try again. For security

reasons, the Firewall sends a slightly different Authentication page

each time you log in to the Web interface. If the password you use

does not allow access to the Firewall, it might be because the browser

is displaying a cached copy of the page instead of the current page.

■

If you cannot remember the correct password, you can reset the

Firewall. See Appendix H, “Resetting the Firewall” for more

information.

LAN Users Cannot

Access the Internet

If your users cannot access the Internet, try the following:

■

If NAT is enabled, make sure the default router address on the LAN

Client is set to the Management IP Address of the Firewall.

■

If there are any host devices other than the Internet router connected

to the WAN port, they are not accessible to users on the LAN.

■

To see if the problem is outside the Firewall, disconnect the Firewall

and try to access the Internet.

■

Try restarting the router and LAN machines.

■

If you are using the Internet Firewall with a cable modem, you may

need to register the MAC address of the unit with your cable service

provider before connecting the Internet Firewall to your network. You

can find the MAC address of the Internet Firewall on a label on the

underside of the unit.

Firewall Does Not

Save Changes

If the Firewall does not save the changes that you make, make sure that

you click Update before moving to another window or tab, or all changes

are lost.

Duplicate IP Address

Errors Are Occurring

If there are duplicate IP address errors after you have installed the

Firewall:

■

Try restarting the router or LAN machines.

■

Make sure the LAN is not connected to the WAN port on the Firewall.

■

If DHCP is on, make sure no other DHCP servers are on the LAN.

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