ZyXEL Communications ZYWALL USG ZLD 2.21 Support Notes page 76

Add a policy to block thunder traffic during office hours.
Schedule: Choose the object office_hour
Session direction: from Any to Any
Access: Reject
We can enable Log to check which user tries to violate the rule.
Check the created policies. Make sure their order lists as below:
Step 3. IDP signature update. To keep the ZyWALL IDP engine performing at its
best, make sure the IDP signatures are kept updated (The update procedure
can be done manually or automatically.)
NOTE: You need to register an IDP license to use the IDP function.
All contents copyright (c) 2010 ZyXEL Communications Corporation.
ZyXEL
– ZyWALL USG Support Notes
76