OS security scans report the following security issues where FlexNet 11.8 server is installed:

Vulnerability CVE # of Ports Score
Portmapper Available CVE-1999-0632 1 69
RPC rquotad Available CVE-1999-0625 2 69
NFS Available 1 68
RPC nfsd Available 1 68
RPC ypbind Available 2 68
Portmapper RPC enumeration CVE-1999-0632 1 68
OpenSSH known hosts Address Harvesting Vulnerability CVE-2005-2666 1 3

Can I turn these services off as far as FlexNet is concerned? Does it require the portmapper?