STIGQter: STIG Summary: Microsoft Exchange 2013 Mailbox Server Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 22 Jan 2021:

Exchange Mail quota settings must not restrict receiving mail.

DISA Rule

SV-207297r615936_rule

Vulnerability Number

V-207297

Group Title

SRG-APP-000246

Rule Version

EX13-MB-000155

Severity

CAT III

CCI(s)

• CCI-001094 - The information system restricts the ability of individuals to launch organization-defined denial of service attacks against other information systems.

Weight

10

Fix Recommendation

Open the Exchange Management Shell and enter the following command:

Set-MailboxDatabase -Identity <'IdentityName'> -ProhibitSendReceiveQuota Unlimited

Note: The <IdentityName> value must be in quotes.

or

The value as identified by the EDSP that has obtained a signoff with risk acceptance.

Check Contents

Open the Exchange Management Shell and enter the following command:

Get-MailboxDatabase | Select Name, Identity, ProhibitSendReceiveQuota

If the value of ProhibitSendReceiveQuota is not set to Unlimited, this is a finding.

or

If the value of ProhibitSendReceiveQuote is set to an alternate value and has signoff and risk acceptance in the EDSP, this is not a finding.

Vulnerability Number

V-207297

Documentable

False

Rule Version

EX13-MB-000155

Severity Override Guidance

Open the Exchange Management Shell and enter the following command:

Get-MailboxDatabase | Select Name, Identity, ProhibitSendReceiveQuota

If the value of ProhibitSendReceiveQuota is not set to Unlimited, this is a finding.

or

If the value of ProhibitSendReceiveQuote is set to an alternate value and has signoff and risk acceptance in the EDSP, this is not a finding.

Check Content Reference

M

Target Key

2923

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