Westell Inc. A9080YYXX-07 ユーザーズマニュアル

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UltraLine II – Draft 1  
 030-300459 Rev. A 
7/12/05 
 
 
030-300459 Rev. A 
36 
July 2005 
 User Guide 
UltraLine II (Model 800015) 
15.  CONFIGURATION 
 
15.1 Firewall Configuration 
 
The following screen will be displayed if you select Firewall from the Configuration menu. If you configure any 
settings in this screen, you must click Save to save the settings. 
 
 
 
 
Security Level 
High 
High security level only allows basic Internet functionality. Only Mail, 
News, Web, FTP, and IPSEC are allowed. All other traffic is prohibited. 
Medium 
Like High security, Medium security only allows basic Internet 
functionality by default. However, Medium security allows 
customization through NAT configuration so that you can enable the 
traffic that you want to pass. 
Low 
Factory Default = Low 
The Low security setting will allow all traffic except for known attacks. 
If security is set to Low, the Modem will be visible to other computers on 
the Internet. 
Off 
Firewall is disabled. (All traffic is passed)  
Firewall Logging 
Log all permitted inbound traffic 
Factory Default = Disabled 
If Enabled (box is checked), this function will be activated. 
Log all permitted outbound traffic 
Factory Default = Disabled 
If Enabled (box is checked), this function will be activated. 
Log all blocked inbound traffic 
Factory Default = Disabled 
If Enabled (box is checked), this function will be activated. 
Log all blocked outbound traffic 
Factory Default = Disabled 
If Enabled (box is unchecked), this function will be activated. 
Log traffic specified in rules 
Factory Default = Disabled 
If Enabled (box is checked), this function will be activated. 
Log administrative access 
Factory Default = Disabled 
If Enabled (box is checked), this function will be activated. 
Remote Logging 
Enable 
Factory Default = Disable 
If Enabled (box is checked), the Modem will send firewall logs to a 
syslog server. 
Remote IP Address 
The IP address of the syslog server machine to which the diagnostics logs 
will be sent.