Cisco Cisco Web Security Appliance S670 User Guide

I R O N P O R T A S Y N C O S 6 . 3 F O R W E B U S E R G U I D E

Would you like to allow
ETAG mismatch on client
revalidations?

Yes, No
(Boolean)

In some cases, the server might report
different ETags for the same version of
the same file. This can be seen, for
example, with clustered IIS servers. In
these cases, requiring both a last
modified time (LMT) match and an
ETag match on client revalidations
would lead to a lot of misses, so it
should be sufficient just to match the
LMT if it is given.
Note: Setting this to 1 is not
HTTP-compliant.

Would you like to allow
caching when requests
are authenticated by the
origin server?

Yes, No
(Boolean)

Yes

Allow caching for requests
authenticated by origin server.

Would you like to allow
caching from servers
whose DNS results do not
match the TCP
destination IP (not trust-
worthy and applicable
only in transparent
modes)?

Yes, No
(Boolean)

Yes

Allow caching from servers whose
DNS results do not match the TCP
destination IP.

Enter the Heuristic
maximum age to cache
the document with Last-
Modified Time but no
actual caching value (in
seconds):

Time in
seconds

86400

Heuristic maximum age to cache the
document with LMT but no actual
caching value.

Enter the Heuristic
maximum age to cache
the document without
Last-Modified Time and
no actual caching value
(in seconds):

Time in
seconds

Heuristic maximum age to cache the
document without LMT and no actual
caching value.

Table 5-4 advancedproxyconfig CLI Command—Caching Options (Continued)

Option

Valid
Values

Default
Value

Must Restart
Web Proxy?

Description