STIGQter: STIG Summary: Solaris 11 SPARC Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

The system must set maximum number of half-open TCP connections to 4096.

DISA Rule

SV-216378r603267_rule

Vulnerability Number

V-216378

Group Title

SRG-OS-000480

Rule Version

SOL-11.1-050110

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

The Network Management profile is required

Configure maximum TCP connections for IPv4 and IPv6.

# pfexec ipadm set-prop -p _conn_req_max_q0=4096 tcp

Check Contents

Determine if the number of half open TCP connections is set to 4096.

# ipadm show-prop -p _conn_req_max_q0 -co current tcp

If the value of "4096" is not returned, this is a finding.

Vulnerability Number

V-216378

Documentable

False

Rule Version

SOL-11.1-050110

Severity Override Guidance

Determine if the number of half open TCP connections is set to 4096.

# ipadm show-prop -p _conn_req_max_q0 -co current tcp

If the value of "4096" is not returned, this is a finding.

Check Content Reference

M

Target Key

4022

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