ZyXEL Communications ZyWALL USG 100 Series, Руководство пользователя

Страница: 580 / 1157

Chapter 32 Application Patrol
ZyWALL USG 100/200 Series User’s Guide
580
Schedule Select a schedule that defines when the policy applies or select Create
Object to configure a new one (see Chapter 43 on page 763 for details).
Otherwise, select none to make the policy always effective.
User Select a user name or user group to which to apply the policy. Use
Create new Object if you need to configure a new user account (see
Section 40.2.1 on page 738 for details). Select any to apply the policy
for every user.
From Select the source zone of the traffic to which this policy applies.
To Select the destination zone of the traffic to which this policy applies.
Source Select a source address or address group for whom this policy applies.
Use
Create new Object if you need to configure a new one. Select any
if the policy is effective for every source.
Destination Select a destination address or address group for whom this policy
applies. Use
Create new Object if you need to configure a new one.
Select any if the policy is effective for every destination.
Access This field controls what the ZyWALL does with packets for this
application that match this policy. Choices are:
forward - the ZyWALL routes the packets for this application.
Drop - the ZyWALL does not route the packets for this application and
does not notify the client of its decision.
Reject - the ZyWALL does not route the packets for this application and
notifies the client of its decision.
DSCP Marking Set how the ZyWALL handles the DSCP value of the outgoing packets
that match this policy. Inbound refers to the traffic the ZyWALL sends to
a connection’s initiator. Outbound refers to the traffic the ZyWALL sends
out from a connection’s initiator.
Select one of the pre-defined DSCP values to apply or select User
Defined to specify another DSCP value. The “ af ” choices stand for
Assured Forwarding. The number following the “ af ” identifies one of four
classes and one of three drop preferences. See Assured Forwarding (AF)
PHB for DiffServ on page 395 for more details.
Select preserve to have the ZyWALL keep the packets’ original DSCP
value.
Select default to have the ZyWALL set the DSCP value of the packets to
0.
Table 151 Application Policy Edit (continued)
LABEL DESCRIPTION