[rhn-users] Red Hat Enterprise Linux AS release 3 (Taroon Update 2) and tunable NGROUPS_MAX

[Daniel Wittenberg]

You are correct, but if you are not relying on the OS to provide group
membership, but third-party authentication (i.e. Mysql, ldap, etc.) you
should be able to get around this.

Dan

On Wed, 2005-01-05 at 11:59 -0600, John C. Koen wrote:
> On Fri, 2004-12-17 at 14:26 -0600, John C. Koen wrote:
> > We are running RH Enterprise AS v3, with kernel: 2.4.21-15.ELsmp.  The problem
> > we are encountering is that this kernel has a limit of 16 for NGROUPS_MAX, and 
> > we have FTP users who are members of more than 16 groups.
> > 
> > For these members, the first 16 groups that they are a member of, work fine.  Any
> > group after the first 16, will not work unless they use the 'newgrp' command. 
> 
> 	Dan wrote:
> 	>Not sure if you found an answer to this, but maybe an option would be to
> 	>use a different FTP server?  Maybe one that supports a different
> 	>authentication source?  When I worked at U of Iowa we were using proftpd
> 	>there and it worked great.  (still using it today too in private
> 	>sector).
> 	>
> 	>Dan
> 
> Dan,
> 
> I very much appreciate your timely response.
> 
> Please correct me if I am mistaken, but I believe this to be a kernel issue, and
> not an issue with the FTP server.
> 
> I still have no workaround for NGROUPS_MAX limitations w/ the 2.4 linux kernel, at 
> this moment.
> 
> --johnk
> 
> John C. Koen
> Systems & Network Administrator
> Southwestern University, Georgetown, TX
> johnk at southwestern.edu || TEL:512.863.1586 || FAX:512.863.1605
> 
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-- 
=============================
Daniel Wittenberg
RHCE/IBM Certified Specialist
President/CTO
The Starken Group
http://www.starken.com
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