Web Gateway 7.1.5 Product Guide - McAfee

Proxies and caching
Common proxy settings 3
Advanced Settings
Settings for advanced proxy functions
Maximal number of client connections — Maximum number of connections from the appliance
running as a proxy to its clients
Specifying 0 means no maximum number is configured.
Number of working threads — Number of threads used when the appliance is running as a proxy for
filtering and transmitting web objects
Number of threads for AV scanning — Number of threads used when the appliance is running as a
proxy to scan web objects for infections by viruses and other malware
Use TCP no delay — When selected, delays on a proxy connection are avoided by not using the Nagle
algorithm to assemble data packets
This algorithm enforces that packets are not sent before a certain amount of data has been collected.
Maximal TTL for DNS cache in seconds — Maximum time (in seconds) for storing host name
information in the DNS cache
Timeout for errors for long running connections in minutes — Time (in minutes) to elapse
before a long running connection that is inactive due to an error is closed
Check interval for long running connections — Time (in minutes) to elapse between check
messages sent on long running connections
Internal path ID — ID of the path the appliance uses to forward internal requests (not requests
received from clients), for example, requests for style sheets to display error messages
Bypass RESPmod for responses that must not contain a body — When selected, responses sent
in communication under the ICAP protocol are not modified according to the RESPMOD mode if they do
not include a body
Call log handler for progress page updates and objects embedded in error templates —
When selected, the rules in the log handler rule set that is implemented on the appliance are processed
to deal with the specified updates and objects
Allow connections to use local ports using proxy — When selected, local ports can be used for
requests on the appliance that is running as a proxy
HTTP(S): Remove all hop-by-hop headers — When selected, hop-by-hop headers are removed
from requests received on the appliance that is running as an HTTP or HTTPs proxy
HTTP(S): Inspect via headers to detect proxy loops — When selected, via headers in requests
received on the appliance that is running as an HTTP or HTTPS proxy are inspected to detect loops
HTTP(S): Host from absolute URL has priority over host header — When selected, the host
names corresponding to absolute URLs in requests received on the appliance that is running as an HTTP
or HTTPS proxy are preferred to the host names contained in the request headers
Proxy-Generated Error Messages
Settings for a template used to send messages about proxy errors to users
Language — Settings for selecting the language of a user message
• Auto (Browser) — When selected, the message is in the language of the browser request that
caused a proxy error was sent from
• Force to — When selected, the message is in the language chosen from the list provided here
Collection — List for selecting a template collection
• Add — Opens the Add Template Collection window for adding a template collection
• Edit — Opens the Template Editor for editing a template collection
McAfee Web Gateway 7.1.5 Product Guide 59