Hi!

I've got a Linux Webserver (Apache SSL 1.3.24 with PHP 4.2.1 and the
SAPDB ODBC Client 7.3.x) with 2 network interfaces. The first interface
has a public IP to handle the connection from the Internet (a 100 MBit
Intel Etherexpress) and a Gigabit interface which is directly connected
with a database server running SAP DB 7.3.x. There are two possible ways
to connect to the database: The first goes through a Firewall two the
second interface of the database server (that's a 100 MBit interface
too) and direct via the Gigabit interfaces. If I configure the ODBC to
use the path through the firewall, everything is going fine but if I'm
trying to use the Gigabit path the database server seems to block the
ODBC connection for 3 or 4 seconds until he delivers the requested data.
Someone's told me that this might be a reverse DNS problem, so my
question is: Is this right? If yes, how can I deactivate this? Or if no,
what else could it be? 
I've also tried to use other network cards - with the same effect...

Thanks in advance!

Regards,
Rohrweck Horst



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