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The Solaris 10 X86 Security Technical Implementation Guide (V2 R4) has 513 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.
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New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.
Check for the Sendmail version being displayed in the greeting.
# telnet localhost 25
If a version number is displayed, this is a finding.
If telnet is unavailable for testing, check the value of the SmtpGreetingMessage parameter in the sendmail.cf file.
# grep SmtpGreetingMessage /etc/mail/sendmail.cf
If the value of the SmtpGreetingMessage parameter contains the $v or $Z macros, this is a finding.
Ensure Sendmail or its equivalent has been configured to mask the version information. If necessary, change the O SmtpGreetingMessage line in the /etc/mail/sendmail.cf file as noted below.
O SmtpGreetingMessage=$j Sendmail $v/$Z; $b
Change it to:
O SmtpGreetingMessage= Mail Server Ready ; $b