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Enabling External User Authentication on UNIX

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You can configure Siebel applications to perform external authentication of Siebel users. A variety of authentication strategies can be implemented. For information about implementing external authentication, see Security Guide for Siebel eBusiness Applications.

If you implement external authentication for applications on Siebel Servers on UNIX, observe the following guidelines as well as those in Security Guide for Siebel eBusiness Applications.

To enable external authentication, edit siebenv.sh or siebenv.csh

Unset the environment variable SIEBEL_MEMORY_ALLOCATOR, if already set in the environment. The parameter Memory Allocator is ON by default.

CAUTION:  Do not disable Asserts in a production environment. Asserts enables some diagnostic logging. Disabling the logging will make resolving some errors extremely difficult.

Set MinMTServers, MaxMTServers, and MaxTasks.

Determine the number of users targeted on one Object Manager. A value of 100 is currently used. Use the following equation to calculate the values needed for the application's Object Manager configuration:

	target No. users	500
MaxMT Servers = MinMT Servers =	------------------------ =	-------- = 5
	users/OM	100

Use the following equation:

MaxTasks = target No. of users + No. of anon users + buffer

where:

The No. of anon users should be set to 20% of target No. of users.
A buffer of 20% of target No. of users is required for scenarios where the user is browsing without logging in.
Round up MaxTasks, so that the value of MaxTasks is a multiple of
Min / MaxMTServers.

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