Manual Chapter : Configuring illegal parameter datatype violation

Applies To:

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BIG-IP ASM

  • 21.0.0, 17.1.3, 17.1.2, 17.1.1, 17.1.0, 17.0.0
Manual Chapter

Configuring illegal parameter datatype violation

Enable the
Illegal Parameter Data Type
violation, else the SSRF mitigation will not work as expected.
  1. On the Main tab, click
    Security
    Application Security
    Policy Building
    Learning and Blocking Settings
    .
  2. Expand
    Parameters
    .
  3. Check
    Learn
    ,
    Alarm
    , and
    Block
    fields for the
    Illegal Parameter data type
    violation.
  4. Click
    Save
    and then
    Apply Policy
    .
The violation is configured. ASM will block the request and raise a violation
illegal parameter data type
if any of the following condition is met:
  • If IP address as URI is received, when the
    Host Name Representation
    field in set to
    Domain Name
    .
  • If host name as URI is received, when the
    Host Name Representation
    field in set to
    IP address
    .
  • If an invalid host name or IP address is received.