Cisco Cisco Web Security Appliance S160 Guía Del Usuario
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AsyncOS 9.1 for Cisco Web Security Appliances User Guide
Chapter 4 Intercepting Web Requests
Web Proxy Options for Intercepting Web Requests
Step 5
Submit and commit your changes.
Related Topics
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Web Proxy Cache
The web proxy caches data to increase performance. AsyncOS includes defined caching modes that
range from safe to aggressive, and also allows customized caching. You can also exclude specific URLs
from being cached, either by removing them from the cache, or by configuring the cache to ignore them.
range from safe to aggressive, and also allows customized caching. You can also exclude specific URLs
from being cached, either by removing them from the cache, or by configuring the cache to ignore them.
Clearing the Web Proxy Cache
Step 1
Choose Security Services > Web Proxy.
Step 2
Click Clear Cache and confirm your action.
Removing URLs from the Web Proxy Cache
Step 1
Access the CLI.
Step 2
Use the
webcache
>
evict
commands to access the required caching area:
example.com> webcache
Choose the operation you want to perform:
- EVICT - Remove URL from the cache
- DESCRIBE - Describe URL cache status
- IGNORE - Configure domains and URLs never to be cached
[]> evict
Enter the URL to be removed from the cache.
[]>
Step 3
Enter the URL to be removed from the cache.
Use Received Headers
Allows a Web proxy deployed as an upstream proxy to identify clients using
X-Forwarded-For headers send by downstream proxies. The Web Proxy will
not accept the IP address in a X-Forwarded-For header from a source that is
not included in this list.
X-Forwarded-For headers send by downstream proxies. The Web Proxy will
not accept the IP address in a X-Forwarded-For header from a source that is
not included in this list.
If enabled, requires the IP address of a downstream proxy or load balancer
(you cannot enter subnets or host names).
(you cannot enter subnets or host names).
Range Request
Forwarding
Forwarding
Use the Enable Range Request Forwarding checkbox to enable or disable
forwarding of range requests. Refer to
forwarding of range requests. Refer to
for more information.