Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

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yosry92_331999's avatar
yosry92_331999
Icon for Altostratus rankAltostratus
Dec 19, 2017

how to disable smtp open relay on f5??

Hi all, i want to disable open relay from internal vlan which users on internal vlan can use open relay on virtual server that has pool of exchange servers .

 

1 Reply

  • jaikumar_f5's avatar
    jaikumar_f5
    Icon for Noctilucent rankNoctilucent
    Dec 19, 2017

    If I understood your requirement, you want to restrict the traffic for the VS for internal vlan. You can modify the vlan for this particular VS alone and see how it works out.