Cisco Cisco Web Security Appliance S690 User Guide

Page of 430
 
20-12
Cisco AsyncOS 8.0.6 for Web User Guide
 
Chapter 20      Monitor System Activity Through Logs
  Interpreting Access Logs
Interpreting Access Logs
Step 1
Familiarize yourself with this example access log entry for a single transaction and notice the field 
values: 
a.
Notice that each field is separated by spaces.
b.
Familiarize yourself with the fields in this example:
1278096903.150 97 172.xx.xx.xx TCP_MISS/200 8187 GET http://my.site.com/ - 
DIRECT/my.site.com text/plain 
DEFAULT_CASE_11-AccessOrDecryptionPolicy-Identity-OutboundMalwareScanningPolicy-DataSecu
rityPolicy-ExternalDLPPolicy-RoutingPolicy 
<IW_comp,6.9,-,"-",-,-,-,-,"-",-,-,-,"-",-,-,"-","-",-,-,IW_comp,-,"-","-","Unknown","Un
known","-","-",198.34,0,-,[Local],"-",37,"W32.CiscoTestVector",33,0,"WSA-INFECTED-FILE.p
df","fd5ef49d4213e05f448f11ed9c98253d85829614fba368a421d14e64c426da5e”> -
Position
Field Value
Abbreviated Description
1
1278096903.150
 
Timestamp in UNIX epoch.
2
97
Elapsed time in milliseconds.
3
172.xx.xx.xx
Client IP Address.
4
TCP_MISS
Result code for the client request resolution. Indicates 
whether the content was retrieved from cache or the origin 
server.
5
200
HTTP response code.
6
8187
Response size (header + body).
7
GET http://my.site.com/
First line of the request.
8
-
Authenticated user name.
9
DIRECT
Hierarchy retrieval.
10
my.site.com
 
Data source or server IP address.
11
text/plain
Response body MIME type.
12
DEFAULT_CASE_11
 
Access Control List (ACL) Decision.
13
AccessOrDecryptionPolicy
Access Policy or Decryption Policy group name. 
(Part of the ACL decision tag) 
14
Identity
 
Identity policy group name. (Part of the ACL decision tag)
15
OutboundMalwareScanningP
olicy
 
Outbound Malware Scanning Policy group name. 
(Part of the ACL decision tag)
16
DataSecurityPolicy
 
Cisco Data Security Policy group name.
(Part of the ACL decision tag)
17
ExternalDLPPolicy
 
External DLP Policy group name. 
(Part of the ACL decision tag)
18
RoutingPolicy
 
Routing Policy group name as 
ProxyGroupName/ProxyServerName
(Part of the ACL decision tag)