STIGQter: STIG Summary: IBM z/VM Using CA VM:Secure Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 27 Apr 2018:

The IBM z/VM TCP/IP PERSISTCONNECTIONLIMIT statement must be properly configured.

DISA Rule

SV-93605r1_rule

Vulnerability Number

V-78899

Group Title

SRG-OS-000142-GPOS-00071

Rule Version

IBMZ-VM-000730

Severity

CAT II

CCI(s)

• CCI-001095 - The information system manages excess capacity, bandwidth, or other redundancy to limit the effects of information flooding types of denial of service attacks.

Weight

10

Fix Recommendation

Configure the “PERSISTCONNECTIONLIMIT” statement with a value that is less than the “TCBPOOLSIZE”.

Check Contents

Examine the “TCP/IP” configuration file.

If there is no “PERSISTCONNECTIONLIMIT” statement, this is a finding.

Vulnerability Number

V-78899

Documentable

False

Rule Version

IBMZ-VM-000730

Severity Override Guidance

Examine the “TCP/IP” configuration file.

If there is no “PERSISTCONNECTIONLIMIT” statement, this is a finding.

Check Content Reference

M

Target Key

3211

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