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IP forwarding for IPv6 must not be enabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-67733 AOSX-11-001206 SV-82223r1_rule Medium
Description
IP forwarding for IPv6 must not be enabled, as only authorized systems should be permitted to operate as routers.
STIG Date
Apple OS X 10.11 Security Technical Implementation Guide 2017-04-06

Details

Check Text ( C-68299r1_chk )
To check if "IP forwarding" is enabled, run the following command:

sysctl net.inet6.ip6.forwarding

If the values are not "0", this is a finding.
Fix Text (F-73847r1_fix)
To configure the system to disable "IP forwarding", add the following line to "/etc/sysctl.conf", creating the file if necessary:

net.inet6.ip6.forwarding=0