Re: Running Tomcat as Non-Root

[John Turner]

So every Java-based service would need its own JVM instance?  Would you 
want your Java-based MTA on port 25 running as your Tomcat user or vice 
versa?  Isn't that how it would work if you configured the user account in 
the JVM...all services would run as the same user?  Seems like that would 
end up being pretty messy to manage.

John

On Fri, 18 Jul 2003 13:24:42 -0700, Lawrence, Gabriel <[EMAIL PROTECTED]> 
wrote:

Right. I'm saying has anyone looked into submitting something to sun
asking them to make it possible to start up a process as root an then
drop down to another user like most native services do?
I want that bridge between native user credentials and capabilities, and
the ability to switch which nave user I'm running on (assuming the user
I'm running with has that capability.)
This is missing in Java.
-gabe
-----Original Message-----
From: Shapira, Yoav [mailto:[EMAIL PROTECTED] Sent: Friday, July 18, 
2003 1:21 PM
To: Tomcat Users List
Subject: RE: Running Tomcat as Non-Root

Howdy,
Huh???  Have you looked at java.security.AccessController#doPrivileged()
?
The issue is that port binding is a native operation and there's no
bridge between the JDK java.security.Principal and the native user
credentials needed to open the port.
Yoav Shapira
Millennium ChemInformatics

-----Original Message-----
From: Lawrence, Gabriel [mailto:[EMAIL PROTECTED]
Sent: Friday, July 18, 2003 4:06 PM
To: Tomcat Users List
Subject: RE: Running Tomcat as Non-Root
Has any one submitted a request to get dropping privs into the JDK? Or
escalating privs to grab one of these ports and then dropping them
again?
As I see this request over and over again on this list I think there is
a large number of people who would like to see it or would vote for it
in the java bug parade.
It also seems rather important for running a secure service to manage
the privs. I know I could use a security manager/policy to restrict
what
can happen, but this doesn't restrict native libraries loaded into the
process and requires more work on our part then just allowing the JDK
to
loose its privs...

-gabe

-----Original Message-----
From: Shapira, Yoav [mailto:[EMAIL PROTECTED]
Sent: Friday, July 18, 2003 12:58 PM
To: Tomcat Users List
Subject: RE: Running Tomcat as Non-Root
Howdy,
Are you running on a unix OS?  If so, root is normally required if you
want to run on a port < 1024.  There are workarounds, but they vary in
complexity and portability, and none are that good at this point.  If
you're running on a port higher than 1024, than you don't need to run
as
root at all.

Yoav Shapira
Millennium ChemInformatics

-----Original Message-----
From: Latesha Williams [mailto:[EMAIL PROTECTED]
Sent: Friday, July 18, 2003 3:55 PM
To: Tomcat Users List
Subject: Running Tomcat as Non-Root
Is it possible to run Tomcat as a non-root user, with root as the
owner
of
the entire Tomcat directory structure and grant file/directory
permissions
to the non-root account?  Please advise.



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