ZyXEL Communications ZyWALL 70 Technical Information PDF herunterladen (Seite 5)

ZyWALL 1050 Support Notes

H. Firewall FAQ.................................................................................................................286

H01. Why doesn’t my LAN to WAN or WAN to LAN rule work?...........................286

H02. Why does the intra-zone blocking malfunction after I disable the firewall? .... 286

H03. Can I have access control rules to the device in firewall? ................................286

I. Application Patrol FAQ...................................................................................................287

I01. What is Application Patrol? ................................................................................287

I02. What applications can the Application Patrol function inspect? ........................287

I03. Why does the application patrol fail to drop/reject invalid access for some

applications?

...............................................................................................................287

I04. What is the difference for Portless and Port-based settings in the Application

Patrol configuration page? ......................................................................................... 287

J. lDP FAQ .........................................................................................................................290

J01. Why doesn’t the IDP work? Why has the signature updating failed? ................290

J02. When I use a web browser to configure the IDP, sometimes it will popup

"wait data timeout".....................................................................................................290

J03. When I want to configure the packet inspection (signatures), the GUI becomes

very slow. ...................................................................................................................290

J04. After I select "Auto Update" for IDP, when will it update the signatures? ........290

J05. If I want to use IDP service, will it is enough if I just complete the registration

and turn on IDP? ........................................................................................................ 291

K. Content Filtering FAQ................................................................................................... 292

K01. Why can’t I enable external web filtering service? Why does the external web

filtering service seem not to be working?

..................................................................292

K02. Why can’t I use MSN after I enabled content filter and allowed trusted

websites only?............................................................................................................292

L. Device HA FAQ.............................................................................................................293

L01. What does the “Preempt” mean? ....................................................................... 293

L02. What is the password in Synchronization?........................................................293

M. User Management FAQ ................................................................................................ 294

M01. What is the difference between user and guest account?..................................294

M02. What is the “re-authentication time” and “lease time”?...................................294

M03. Why can’t I sign in to the device? ....................................................................294

M04. Why is the TELNET/SSH/FTP session to the device disconnected? Why is the

GUI redirected to login page after I click a button/link? ...........................................294

M05. What is AAA?................................................................................................... 295

M05. What are ldap-users and radius-users used for? ...............................................295

M06. What privileges will be given for ldap-users and radius-users?.......................295

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ZyXEL Communications ZyWALL 70 Technical Information Seite 5