Check: GEN005560
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE:
GEN005560
(in versions v1 r14 through v1 r10)
Title
The system must be configured with a default gateway for IPv4 if the system uses IPv4, unless the system is a router. (Cat II impact)
Discussion
If a system has no default gateway defined, the system is at increased risk of man-in-the-middle, monitoring, and Denial of Service attacks.
Check Content
Check the system for an IPv4 default route. Procedure: # netstat -r |grep default If a default route is not defined, this is a finding.
Fix Text
Set a default gateway for IPv4. # smitty route OR # route add 0 < ip address of gateway >
Additional Identifiers
Rule ID: SV-39217r1_rule
Vulnerability ID: V-4397
Group Title: GEN005560
Expert Comments
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CCIs
CCIs tied to check.
| Number | Definition |
|---|---|
| CCI-000366 |
The organization implements the security configuration settings. |
Controls
Controls tied to check. These are derived from the CCIs shown above.
| Number | Title |
|---|---|
| CM-6 |
Configuration Settings |