If you are not using WebSphere security, commenting out the Authorization
directive is good. If you are using SSL to access WebSphere, you may want
to make sure access to WebSphere using SSL still works.
As for the NameTrans directive changes, if you knew that you only wanted
WebSphere to serve URLs that started with /servlet/* or /*.jsp (like
WebSphere 1.1 & 2.0), then you should be able to get away with such
changes. But WebSphere v3.x allows you to define non-default web
applications, whose leading URL you could configure with a path like
"/myApp". In such a web app, you might reference servlets using
http://hostname/myApp/servlet/myServlet - or jsp's using
http://hostname/myApp/myJsp.jsp. In each case your NameTrans modification
causes such URLs not to be sent to WebSphere for handling. This reduces
the range of URLs that WebSphere can handle.
WebSphere's NameTrans phase internalizes the
/QIBM/UserData/WebASAdv/default/rules.properties file. When URLs arrive
from clients, these URLs are real-time pattern matched against the rules.
Do you currently have any rules in the rules.properties files that don't
begin with /servlet/* or /*.jsp? Such URLs would no longer be serviced by
WebSphere after the NameTrans change.
An alternative you might want to consider, is to place your Pass directives
ahead of the NameTrans directive, if you know for certain that you do not
want WebSphere to process them. That way your html pages would be served
even quicker than your modification is attempting to do. For example, you
could try using something like:
PASS /*.html /Static/HTML/*
PASS /external/* /ExternalDir/dirA/dirB/*
NameTrans /* /QSYS.LIB/QEJB.LIB/QSVTGO46PI.SRVPGM:nametrans_exit
etc.
"Patrick L Archibald" <Patrick.Archibald@HOMETELCO.COM>@midrange.com on
04/20/2001 10:47:00 AM
Please respond to JAVA400-L@midrange.com
Sent by: owner-java400-l@midrange.com
To: <JAVA400-L@midrange.com>
cc:
Fax to:
Subject: NameTrans & Authorization http directives on underpowered AS400
(9406-620-2175-832MB-V4R5-WAS3.5)
Hi All
Does anyone see any problem with making the following
changes to my http configuration for performance reasons:
In the http configuration I changed the following statement from:
NameTrans /* /QSYS.LIB/QEJB.LIB/QSVTGO46PI.SRVPGM:nametrans_exit
to:
NameTrans /servlet/* /QSYS.LIB/QEJB.LIB/QSVTGO46PI.SRVPGM:nametrans_exit
NameTrans /*.jsp /QSYS.LIB/QEJB.LIB/QSVTGO46PI.SRVPGM:nametrans_exit
and I commented out the following statement since I don't use
WAS 3.5 authorization:
# Authorization IBMWebSphere
/QSYS.LIB/QEJB.LIB/QSVTGO46PI.SRVPGM:authorization_exit
The changes seem to speed the serving of html files up.
Thanx, PLA
/
/ Patrick L Archibald
/ http://HomeTelco.com/pla/
/
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