ZyXEL Communications 5 Series - Manual (Page 17)

ZyWALL 5/35/70 Series User’s Guide
Table of Contents 17
14.2.2 Notes About the ZyWALL Anti-Virus .....................................................273
14.3 General Anti-Virus Setup ...............................................................................274
14.4 Signature Searching .......................................................................................276
14.4.1 Signature Search Example ...................................................................278
14.5 Signature Update .........................................................................................281
14.5.1 mySecurityZone ....................................................................................281
14.5.2 Configuring Anti-virus Update ..............................................................281
14.6 Backup and Restore ......................................................................................283
Chapter 15
Anti-Spam ............................................................................................................. 285
15.1 Anti-Spam Overview ....................................................................................285
15.1.1 Anti-Spam External Database ...............................................................285
15.1.1.1 SpamBulk Engine ........................................................................286
15.1.1.2 SpamRepute Engine ...................................................................286
15.1.1.3 SpamContent Engine ..................................................................286
15.1.1.4 SpamTricks Engine .....................................................................287
15.1.2 Spam Threshold ....................................................................................287
15.1.3 Phishing ................................................................................................287
15.1.4 Whitelist ................................................................................................288
15.1.5 Blacklist .................................................................................................288
15.1.6 SMTP and POP3 ..................................................................................288
15.1.7 MIME Headers ......................................................................................289
15.2 Anti-Spam General Screen ............................................................................289
15.3 Anti-Spam External DB Screen .................................................................292
15.4 Anti-Spam Lists Screen .................................................................................294
15.5 Anti-Spam Lists Edit Screen .........................................................................296
Chapter 16
Content Filtering Screens ................................................................................... 299
16.1 Content Filtering Overview .............................................................................299
16.1.1 Restrict Web Features ..........................................................................299
16.1.2 Create a Filter List ................................................................................299
16.1.3 Customize Web Site Access ................................................................299
16.2 Content Filter General Screen .....................................................................299
16.3 Content Filtering with an External Database ..................................................302
16.4 Content Filter Categories ............................................................................303
16.5 Content Filter Customization .......................................................................310
16.6 Customizing Keyword Blocking URL Checking ..............................................312
16.6.1 Domain Name or IP Address URL Checking ........................................312
16.6.2 Full Path URL Checking .......................................................................312
16.6.3 File Name URL Checking .....................................................................312
16.7 Content Filtering Cache ...............................................................................313