20031016: LDM 6.0.14 connection to portmap on RedHat 9

Rita,

>Date: Thu, 16 Oct 2003 16:25:24 -0500
>From: Rita Edwards <address@hidden>
>Organization: UCAR/Unidata
>To: Steve Emmerson <address@hidden>
>Subject: Re: 20031016: LDM 6.0.14 connection to portmap on RedHat 9

The above message contained the following:

> My server is the upstream host for Carl.  I only have
> one system that serves data out.  This system is branch,
> running RedHat 8.0 ldm version 6.0.13.  Carl has a load
> balancing cluster that has exceptions for portmap and ldm
> through our firewall (udp/tcp and the exceptions are peer-to
> peer).  Until Carl upgraded, the data transfer from my
> system branch to his load balance cluster worked correctly.
> Two of Carl's systems are flash and tarzan.  Flash is a 
> system that was upgraded to Red Hat 9.0 and ldm version
> 6.0.14.  Tarzan is Carl's remaining system that has not been
> upgraded.  Tarzan is still able to receive data from branch.
> However, the upgraded system flash is not able to get through
> the firewall.  With the firewall guys monitoring the firewall,
> Carl's machine flash attempted a connection to branch.  The
> firewall reported that after the initial connection, flash sent
> branch a fin packet (closing the connection), and then
> reattempted to connnect to branch using a higher level port.
> This connection is viewed as a new connection on a higher
> level port number and is not allowed.
> 
> branch        upstream node           Red Hat 8.0     ldm 6.0.13
> tarzan        downstream node         Red Hat 7.2     ldm 6.0.14
> flash         downstream node         Red Hat 9.0     ldm 6.0.14
> 
> Hope this helps,

This helps enormously.  Thanks.

Is the main LDM program on Branch (rpc.ldmd) set-uid-root?

Regards,
Steve Emmerson