To deconfuse the poor readers of this list:
Port 137 is microsoft netbios name resolution - usually safe to ignore if found in logs
IMAP on the other hand is port 143.
"Christopher Adams, Sr." wrote:
>
> If my memory serves me correctly, 137 is the port for IMAP. Over the past two years
>especially, CERT and BUGTRAQ have been warning against increasing IMAP attacks. If
>you do not run IMAP, then you can ignore these probes. If you are supporting a
>bulletin board service, then you had better tighten up your security/rules.
>
--
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