Technical data
Corrections and Updates to 4.0 Documentation
3-14 Oracle iPlanet Web Proxy Server Release Notes
3.2.31 New SAF host-dns-cache-config to Control DNS Cache Behavior
Oracle iPlanet Web Proxy Server 4.0.21 introduces a new SAF
host-dns-cache-config
to control DNS cache behavior. This can be used to modify per-request DNS cache
behavior.
host-dns-cache-config
SAF takes the following parameters:
You can disable or enable DNS cache, or apply a specific
ttl
.
Examples:
■ The following directive disables DNS cache for requests to backends with name of
the pattern
"backend.*"
:
ObjectType dns-cache-config host-regex="backend.*" enabled="false"
■ The following directive enforces a specific
ttl
for 10 seconds on cached DNS
entries to backend hostnames of the format
"backend.*"
:
ObjectType dns-cache-config host-regex="backend.*" ttl="10"
3.2.32 Information about the -P option of the flexanlg command
"Working With the Log Analyzer", in Oracle iPlanet Web Proxy Server 4.0.14 Administration
Guide, at:
http://docs.oracle.com/cd/E21692_01/821-1882/adyjv/index.html
,
describes the
-P
option of the
flexanlg
command.
The following is the description of the
-P
option:
■ The
-P
option enables generation of data related to the proxy-specific components
like data related to client,proxy, cache, remote and matrix like cache hits, total
remote connections, date retrieved from remote, data written to cache, and so on.
■ The Generate Report link in the Administration Server interface uses the
command
flexanlg
with
-P
specified.
3.2.33 Change in HTTP 407 Error Page from 4.0.10
The error page for
HTTP 407
changes when you upgrade to Oracle iPlanet Web Proxy
Server 4.0.10 or higher versions.
Before upgrading, you see the following message on the
HTTP 407
error page:
Proxy Authentication Required
An error has occurred
Note:
enable-ipv6
for internal
dns-lookup
functionality is disabled
on Windows.
Parameter Description
enabled
This is a boolean parameter and is
"true"
by default. When
disabled, DNS cache is not used.
host-regex
Takes a regular expression as value, and can be used to apply
host-dns-cache-config
settings only to requests whose
Host:
header matches the provided value.
ttl
Accepts an integer value that specifies the "time to live" in
seconds for DNS cache entries.