For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

AndrzejJez's avatar
AndrzejJez
Icon for Nimbostratus rankNimbostratus
Oct 20, 2025

/mgmt/toc - not possible to launch rest api rest browser

 

Hi,

could you help please on how to kick off the api rest browser? 

attaching below the internals

Thank in advance

 

after providing my admin credentials, the follwoing response is returned

 

{

  "code": 400,

  "message": "URI path /mgmt/logmein.html not registered.  Please verify URI is supported and wait for /available suffix to be responsive.",

  "referer": "https://1.2.3.4/mgmt/toc",

  "restOperationId": 13525870,

  "kind": ":resterrorresponse"

}

 

 

Platform ID    Z101
Platform Name    BIG-IP Tenant
Software Version    BIG-IP v17.1.3 (Build 0.20.11)

Bundle, r5600

devops
management

4 Replies

  • Shyy's avatar
    Shyy
    Icon for Cirrus rankCirrus
    Oct 21, 2025

    What version are you running? 
    you seems to reach the big-ip configuraiton utility and not the actual page you need

    Try to first login to f5 through normal GUI then changing the URI to /mgmt/toc

  • AndrzejJez's avatar
    AndrzejJez
    Icon for Nimbostratus rankNimbostratus
    Oct 21, 2025

    hi,

    thanks for following

    let me describe the steps in details

    jpg picture attached with screenshots on each move

     

    >What version are you running? 
    Platform Name    BIG-IP Tenant
    Software Version    BIG-IP v17.1.3 (Build 0.20.11)
    r5600

     

     

    1

    first tab,

    GUI just after my sing in

    https://*.*/xui/

     

    2

    Second tab,

    - /mgmt/toc > url launched

    - valid credentials provided , admin/passwd

     

    3

    Second tab,

    after valid credentials provided, presented with this page

     

    4

    presented with this page after in 3 providing

    - either valid

    - or invalid

    credentials

    {
  "code": 400,
  "message": "URI path /mgmt/logmein.html not registered.  Please verify URI is supported and wait for /available suffix to be responsive.",
  "referer": "https://*.*/mgmt/toc",
  "restOperationId": 13525870,
  "kind": ":resterrorresponse"
}

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    • Shyy's avatar
      Shyy
      Icon for Cirrus rankCirrus
      Oct 22, 2025

      Hey,
      Try using curl from the f5 bash
      use the following command "curl -sku user:password https://IP/mgmt/toc"
      if you get a valid response you might have a client side issue


      • Shyy's avatar
        Shyy
        Icon for Cirrus rankCirrus
        Oct 22, 2025

        I apologise that won't indicate anything due to the double step that is needed.
        try and restart restjavad (Check before doing it that it won't affect any services running if there is)
        if issue continues after that I would suggest at this point to open a case for TAC to investigate it futher.