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

Forum Discussion

Nompang's avatar
Nompang
Icon for Altocumulus rankAltocumulus
Nov 17, 2022

Access rejected because it points to reserved address (Virtual Server ip or Self IP)

HI Expert ,  i have issue with F5 APM when i try to create a portal that contain IP address of (Virtual Server or Self ip ) i always get block by ACL and log state that :  Access rejected because ...
application delivery
security
boneyard's avatar
boneyard
Icon for MVP rankMVP
Nov 22, 2022

Did you add the 127.0.0.1 exception or the virtual server / self IP addresses?

Nompang's avatar
Nompang
Icon for Altocumulus rankAltocumulus
Nov 22, 2022

HI boneyard  , 

if you refer this into bypass list inside rewrite profile , yes i have done that , still not work.

i input *://127.0.0.1* .

do you have other suggestion on that ?

Thanks

  • boneyard's avatar
    boneyard
    Icon for MVP rankMVP
    Nov 26, 2022

    Yes, try it with one of the IP addresses your are trying to reach. The article is specific for local host, your case is about self IPs / virtual server IPs.

    • Nompang's avatar
      Nompang
      Icon for Altocumulus rankAltocumulus
      Nov 27, 2022

      HI boneyard  .

      Can you help example ?

      Really appreciate your help.

      • boneyard's avatar
        boneyard
        Icon for MVP rankMVP
        Nov 28, 2022

        say I have a self IP on 10.3.20.10, i would add:

        *://10.3.20.10*