Chapter 23 Anti-Spam
ZyWALL (ZLD) CLI Reference Guide
221
23.2.4.1 DNSBL Example
This example:
• Sets the ZyWALL to use “DNSBL-example.com” as a DNSBL.
• Turns DNSBL checking on.
• Sets the ZyWALL to forward POP3 mail with a tag if the queries to the DNSBL domains
time out.
• Sets the ZyWALL to check up to 4 sender and relay server IP addresses in e-mail headers
against the DNSBL.
• Sets the ZyWALL to start DNSBL checking from the first IP address in the mail header.
• Sets the DNSBL tag to “DNSBL”.
• Sets the DNSBL timeout tag to “DNSBL-timeout”.
• Displays the DNSBL statistics.
show anti-spam tag {dnsbl | dnsbl-
timeout}
dnsbl
displays the anti-spam tag for e-mails that have a
sender or relay IP address in the header that matches a
blacklist maintained by a DNSBL domain.
dnsbl-timeout
displays the message or label to add to the
mail subject of e-mails that the ZyWALL forwards if queries to
the DNSBL domains time out.
show anti-spam dnsbl statistics
Displays anti-spam DNSBL statistics for each configured
DNSBL domain.
anti-spam dnsbl statistics flush
Clears the anti-spam DNSBL statistics for each configured
DNSBL domain.
anti-spam dnsbl query-timeout time
[1..10]
Sets how long the ZyWALL waits for a reply from the DNSBL
domains.
show anti-spam dnsbl query-timeout
time
Displays how long the ZyWALL waits for a reply from the
DNSBL domains.
Table 120
DNSBL Commands
COMMAND
DESCRIPTION
Summary of Contents for ZyWall
Page 2: ......
Page 6: ...Document Conventions ZyWALL ZLD CLI Reference Guide 6 ...
Page 10: ...10 ...
Page 26: ...Chapter 1 Command Line Interface ZyWALL ZLD CLI Reference Guide 26 ...
Page 46: ...46 ...
Page 84: ...Chapter 6 Interfaces ZyWALL ZLD CLI Reference Guide 84 ...
Page 98: ...Chapter 8 Route ZyWALL ZLD CLI Reference Guide 98 ...
Page 106: ...Chapter 10 Zones ZyWALL ZLD CLI Reference Guide 106 ...
Page 110: ...Chapter 11 DDNS ZyWALL ZLD CLI Reference Guide 110 ...
Page 116: ...Chapter 12 Virtual Servers ZyWALL ZLD CLI Reference Guide 116 ...
Page 120: ...Chapter 13 HTTP Redirect ZyWALL ZLD CLI Reference Guide 120 ...
Page 124: ...Chapter 14 ALG ZyWALL ZLD CLI Reference Guide 124 ...
Page 125: ...125 PART III Firewall Firewall 127 ...
Page 126: ...126 ...
Page 134: ...Chapter 15 Firewall ZyWALL ZLD CLI Reference Guide 134 ...
Page 135: ...135 PART IV VPN IPSec VPN 137 SSL VPN 147 L2TP VPN 153 ...
Page 136: ...136 ...
Page 146: ...Chapter 16 IPSec VPN ZyWALL ZLD CLI Reference Guide 146 ...
Page 152: ...Chapter 17 SSL VPN ZyWALL ZLD CLI Reference Guide 152 ...
Page 160: ...Chapter 18 L2TP VPN ZyWALL ZLD CLI Reference Guide 160 ...
Page 161: ...161 PART V Application Patrol Application Patrol 163 ...
Page 162: ...162 ...
Page 174: ...Chapter 19 Application Patrol ZyWALL ZLD CLI Reference Guide 174 ...
Page 175: ...175 PART VI Anti X Anti Virus 177 IDP Commands 185 Content Filtering 203 Anti Spam 215 ...
Page 176: ...176 ...
Page 202: ...Chapter 21 IDP Commands ZyWALL ZLD CLI Reference Guide 202 ...
Page 214: ...Chapter 22 Content Filtering ZyWALL ZLD CLI Reference Guide 214 ...
Page 224: ...Chapter 23 Anti Spam ZyWALL ZLD CLI Reference Guide 224 ...
Page 225: ...225 PART VII Device HA Device HA 227 ...
Page 226: ...226 ...
Page 236: ...236 ...
Page 248: ...Chapter 26 Addresses ZyWALL ZLD CLI Reference Guide 248 ...
Page 252: ...Chapter 27 Services ZyWALL ZLD CLI Reference Guide 252 ...
Page 262: ...Chapter 29 AAA Server ZyWALL ZLD CLI Reference Guide 262 ...
Page 266: ...Chapter 30 Authentication Objects ZyWALL ZLD CLI Reference Guide 266 ...
Page 272: ...Chapter 31 Certificates ZyWALL ZLD CLI Reference Guide 272 ...
Page 276: ...Chapter 32 ISP Accounts ZyWALL ZLD CLI Reference Guide 276 ...
Page 280: ...Chapter 33 SSL Application ZyWALL ZLD CLI Reference Guide 280 ...
Page 288: ...Chapter 34 Endpoint Security ZyWALL ZLD CLI Reference Guide 288 ...
Page 289: ...289 PART IX System System 291 System Remote Management 299 ...
Page 290: ...290 ...
Page 298: ...Chapter 35 System ZyWALL ZLD CLI Reference Guide 298 ...
Page 314: ...314 ...
Page 332: ...Chapter 37 File Manager ZyWALL ZLD CLI Reference Guide 332 Figure 55 Startup Complete ...
Page 344: ...Chapter 39 Reports and Reboot ZyWALL ZLD CLI Reference Guide 344 ...
Page 346: ...Chapter 40 Session Timeout ZyWALL ZLD CLI Reference Guide 346 ...
Page 348: ...Chapter 41 Diagnostics ZyWALL ZLD CLI Reference Guide 348 ...
Page 362: ...Chapter 44 Watchdog Timer ZyWALL ZLD CLI Reference Guide 362 ...
Page 363: ...363 PART XI Command List List of Commands Alphabetical 365 ...
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Page 394: ...List of Commands Alphabetical ZyWALL ZLD CLI Reference Guide 394 ...