STIGQter: STIG Summary: IBM zVM Using CA VM:Secure Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 27 Oct 2022:

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

DISA Rule

SV-237926r858986_rule

Vulnerability Number

V-237926

Group Title

SRG-OS-000142-GPOS-00071

Rule Version

IBMZ-VM-000730

Severity

CAT II

CCI(s)

• CCI-001095 - Manage 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-237926

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

5306