STRPASTHR sessions via AnyNet timeouts (CPF8907)

We have a few customers with Internet connections that have allowed only 
port 397 for AnyNet to come in to their iSeries, and only from the 
specific IP address of our system.  We therefore have to use STRPASTHR to 
get an interactive session on their system, and SNADS also runs via 
AnyNet.  We have no problem with SNADS - files are sent without problem, 
but the interactive sessions seem to constantly "timeout" after several 
minutes and the session is ended (with a CPF8907 at the originating 
system).  Has anyone found a way to prevent this timeout problem with 
STRPASTHR via AnyNet?  I have used the default MODE(BLANK) and also 
MODE(#INTER) with no difference.  I'm wondering if there are some specific 
settings on a mode description that might help, or some other way of 
solving this.  At one customer site we had to resort to opening a specific 
port for TELNET - and the timeout problem disappeared.  We would however 
prefer to use just port 397 for AnyNet if we can solve this annoying 
timeout problem.

Neil Palmer      DPS Data Processing Services Canada Ltd.
Cambridge, Ontario, Canada.                 OS/400~~~~~
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