The portmap or rpcbind service must not be installed unless needed.

From AIX 5.3 Security Technical Implementation Guide

Associated with IA controls: ECSC-1

Associated with: CCI-000305

SV-38952r1_rule The portmap or rpcbind service must not be installed unless needed.

Vulnerability discussion

The portmap and rpcbind services increase the attack surface of the system and should only be used when needed. The portmap or rpcbind services are used by a variety of services using Remote Procedure Calls (RPCs).

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If the portmap or rpcbind service is part of a removable package, consult vendor documentation for the procedure to remove the package. If the service cannot be removed, prevent service activation by removing all permissions from the executable. Procedure: # chmod 0000 /usr/sbin/portmap

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