STIGQter: STIG Summary: VMware vRealize Operations Manager 6.x SLES Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 28 Sep 2018:

The SMTP services SMTP greeting must not provide version information.

DISA Rule

SV-99197r1_rule

Vulnerability Number

V-88547

Group Title

SRG-OS-000096-GPOS-00050

Rule Version

VROM-SL-000595

Severity

CAT II

CCI(s)

• CCI-000382 - The organization configures the information system to prohibit or restrict the use of organization-defined functions, ports, protocols, and/or services.

Weight

10

Fix Recommendation

Change the "O SmtpGreetingMessage" line in the "/etc/sendmail.cf" file to:

O SmtpGreetingMessage= Mail Server Ready ; $b

Check Contents

To check for the sendmail version being displayed in the greeting:

# more /etc/sendmail.cf | grep SmtpGreetingMessage

If it returns:

O SmtpGreetingMessage=$j Sendmail $v/$Z; $b

Then sendmail is providing version information, this is a finding.

Vulnerability Number

V-88547

Documentable

False

Rule Version

VROM-SL-000595

Severity Override Guidance

To check for the sendmail version being displayed in the greeting:

# more /etc/sendmail.cf | grep SmtpGreetingMessage

If it returns:

O SmtpGreetingMessage=$j Sendmail $v/$Z; $b

Then sendmail is providing version information, this is a finding.

Check Content Reference

M

Target Key

3461

Comments