ltm rule event ACCESS SAML AUTHN
iRule(1) BIG-IP TMSH Manual iRule(1)
ACCESS_SAML_AUTHN
This event is triggered when the SAML authentication request payload is generated for a user session.
DESCRIPTION
This event is triggered when the SAML authentication request payload is generated and before it is signed for a user
session by BIG-IP as service provider. Admin can use this event to view and make modifications to the generated SAML
authenticiation request payload. Admin can use ACCESS::saml authn command to extract and modify SAML authenticiation
request.
Examples
when ACCESS_SAML_AUTHN {
# Variable authn_request is set to SAML authentication request payload generated.
set authn_request [ ACCESS::saml authn ]
# The value set in variable authn_request is logged.
log -noname accesscontrol.local1.notice "AuthN Req before modification: $authn_request"
# The NameIDPolicy format in authn_request is modified from 'unspecified' to 'emailAddress' and set in variable new_authn_request.
set new_authn_request [ string map {"urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified" "urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress"} $authn_request ]
# Variable new_authn_request is set as the SAML authentication request to be processed and forwarded.
ACCESS::saml authn $new_authn_request
# The value set in variable new_authn_request is logged.
log -noname accesscontrol.local1.notice "AuthN Req after modification: $new_authn_request"
}
HINTS
SEE ALSO
CHANGE LOG
@BIGIP-14.1.0 --First introduced the event.
BIG-IP 2022-04-12 iRule(1)