Nortel 6220, Руководство пользователя, Страница: 176 / 178

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WLAN Cable Access Point 6220 CSU NTPM99CA Rel 2.0 Issue 5 Dec 2005
Permit Incoming Source Quench -- Permit Source Quench packets
generated by gateways on the remote network to be sent to gateways on
the local network.
Permit Incoming Redirect -- Permit ICMP Redirect packets generated
by gateways on the remote network to be sent to machines on the local
network.
Permit Incoming Time Exceeded -- Permit Time Exceeded messages
generated by machines on the remote network to be sent to machines on
the local network.
Permit Incoming Parameter Problem -- Permit Parameter Problem
messages generated by machines on the remote network to be sent to
machines on the local network.
Permit Other Incoming ICMP Packets -- Permit other ICMP packets
not listed above to be sent from the (un-trusted) remote network to the
(private) local network.
Permit All Button -- Clicking this button automatically selects all
checkboxes on the Incoming ICMP Filters screen.
Deny All Button -- Clicking this button automatically de-selects (un-
checks) all checkboxes on the Incoming ICMP Filters screen.
Permit Conservative Button
-- Clicking this button automatically
selects the following checkboxes on the Incoming ICMP Filters screen:
ƒ
Permit Incoming Echo Request and Outgoing Reply
ƒ
Permit Incoming Destination Unreachable
All other checkboxes are automatically de-selected (unchecked).
Add Authentication Record
The Add Authentication Record screen is used to add an SNMP-based
username/password firewall authentication bypass class. The
Authentication class works much like a UNIX user group does; you can
specify what types of packets a person in this authentication class can
pass through the firewall when logged in with the approved username
and password.