IIS Discovery Pattern Failed

[Community Alums]

Hello Experts,

can someone please help me to overcome this error for IIS Pattern?

Identification Engine: Discovery status is FAILURE, Identification sections in pattern failed: section: Identification for HTTP(S) entry point type(s) for IIS6 second logic, error: Match step predicate is not matched. section: Identification for HTTP(S) entry point type(s) for IIS7 and above, error: JAVASCRIPT_CODE_FAILURE: Caused by error in Ad hoc script 'EvalClosure-Parse port for websites - get all ports' at line 4

1:
2: var binds = iis_websites___bindings;
3: var port = binds.match(/.*?(\d+)/);
==> 4: port = port[1];
. section: Identification for HTTP(S) entry point type(s) for IIS6, error: Match step predicate is not matched.

[Community Alums · Accepted solution]

we are getting null value from the websites where net.pipe protocol configured. In below line, it is trying to assign first index of null. Hence it is failing. 

port = port[1];