Cisco Cisco Web Security Appliance S170 Guía Del Usuario
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AsyncOS 9.2 for Cisco Web Security Appliances User Guide
Chapter 11 Monitor System Activity Through Logs
Log File Fields and Tags
Example 1
172.xx.xx.xx discovered for blocksite.net (blocksite.net) added to firewall block list.
In this example, where a match becomes a block list firewall entry. The Layer-4 Traffic Monitor matched
an IP address to a domain name in the block list based on a DNS request which passed through the
appliance. The IP address is then entered into the block list for the firewall.
an IP address to a domain name in the block list based on a DNS request which passed through the
appliance. The IP address is then entered into the block list for the firewall.
Example 2
172.xx.xx.xx discovered for www.allowsite.com (www.allowsite.com) added to firewall allow
list.
In this example, a match becomes an allow list firewall entry. The Layer-4 Traffic Monitor matched a
domain name entry and added it to the appliance allow list. The IP address is then entered into the allow
list for the firewall.
domain name entry and added it to the appliance allow list. The IP address is then entered into the allow
list for the firewall.
Example 3
Firewall noted data from 172.xx.xx.xx to 209.xx.xx.xx (allowsite.net):80.
In this example, the Layer-4 Traffic Monitor logs a record of data that passed between an internal IP
address and an external IP address which is on the block list. Also, the Layer-4 Traffic Monitor is set to
monitor, not block.
address and an external IP address which is on the block list. Also, the Layer-4 Traffic Monitor is set to
monitor, not block.
Related Topics
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Log File Fields and Tags
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Access Log Format Specifiers and W3C Log File Fields
Log files use variables to represent the individual items of information that make up each log file entry.
These variables are called format specifiers in Access logs and log fields in W3C logs and each format
specifier has a corresponding log field.
These variables are called format specifiers in Access logs and log fields in W3C logs and each format
specifier has a corresponding log field.
To configure Access Logs to display these values, see
and
information about custom fields in