ZyXEL Communications ZyWALL 2Plus User Manual page 19

Chapter 20
ALG Screen........................................................................................................... 333
20.1 ALG Introduction ...........................................................................................333
20.2 FTP ................................................................................................................334
20.3 H.323 ..............................................................................................................334
20.4 RTP ................................................................................................................334
20.5 SIP .................................................................................................................335
20.6 ALG Screen ....................................................................................................336
Chapter 21
Logs Screens........................................................................................................ 339
21.1 Configuring View Log ....................................................................................339
21.2 Log Description Example ...............................................................................340
21.3 Configuring Log Settings ...............................................................................342
21.4 Configuring Reports ......................................................................................345
Chapter 22
Maintenance ......................................................................................................... 351
22.1 Maintenance Overview ...................................................................................351
22.2 General Setup ................................................................................................351
22.3 Configuring Password ...................................................................................352
22.4 Time and Date ...............................................................................................353
22.5 Pre-defined NTP Time Servers List ................................................................356
22.6 Introduction To Transparent Bridging .............................................................358
22.7 Transparent Firewalls .....................................................................................358
22.8 Configuring Device Mode (Router) ................................................................359
22.9 Configuring Device Mode (Bridge) ................................................................360
Table of Contents
20.1.1 ALG and NAT ........................................................................................333
20.1.2 ALG and the Firewall ............................................................................333
20.4.1 H.323 ALG Details ................................................................................334
20.5.1 STUN ....................................................................................................335
20.5.2 SIP ALG Details ....................................................................................335
20.5.3 SIP Signaling Session Timeout ............................................................336
20.5.4 SIP Audio Session Timeout ..................................................................336
21.2.1 Certificate Not Trusted Log Note ..........................................................341
21.4.1 Viewing Web Site Hits ...........................................................................347
21.4.2 Viewing Protocol/Port ...........................................................................347
21.4.3 Viewing Host IP Address ......................................................................348
21.4.4 Reports Specifications ..........................................................................349
22.2.1 General Setup and System Name ........................................................351
22.2.2 General Setup .......................................................................................351
22.5.1 Resetting the Time ................................................................................356
22.5.2 Time Server Synchronization ................................................................356
ZyWALL 2 Plus User's Guide
19