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slow performance tns helper (port 1521) after upgrading
Hello, we have a strange issue with a customer.
They upgraded
Since the recent Fortigate upgrade from 4.3.12 to 5.0.12 , customers notice a huge degredation of performance in the software, connecting from Solaris 10 to the Oracle server on port 1521. When doing a packet capture, we notice a lot of retransmissions and duplicates. Remarkable is the fact that, when the Fortigate is bypassed there are NO problems.
I discovered also that by disabling the tns session helper for tcp 1521, things run smoothly. I logged a ticket with Fortinet, but they cannot give a satisfying explanation for this. I was wondering if someone has had a similar issue and what makes that there are no errors anymore when the session helper is disabled.
Thanks and regards,
Ralph Willemsen
Arnhem, Netherlands
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Hi,
Can you give more details of your setup ?
FGT Model, number connections/sessions per sec etc.. ?
If you can just copy/paste firewall policy cli config here, that would be helpful to understand as well.
Regards
Viswa