Snort mailing list archives

pop: Unknown POP3 response/command


From: Matteo De Rosa <matteo.derosa () enea it>
Date: Tue, 12 Jan 2016 13:39:59 +0100

I have similar alerts for POP and IMAP :

[snort] pop: Unknown POP3 response      protocol-command-decode 523(0%) 1       1       30
[snort] pop: Unknown POP3 command       protocol-command-decode 941(0%) 1       45      1
[snort] imap: Unknown IMAP4 command     protocol-command-decode 450(0%) 1       19      1


Decodind method specified in short.conf are:

# POP preprocessor. For more information see README.pop
preprocessor pop: \
   ports { 110 } \
   b64_decode_depth 0 \
   qp_decode_depth 0 \
   bitenc_decode_depth 0 \
   uu_decode_depth 0

# IMAP preprocessor.  For more information see README.imap
preprocessor imap: \
   ports { 143 } \
   b64_decode_depth 0 \
   qp_decode_depth 0 \
   bitenc_decode_depth 0 \
   uu_decode_depth 0

All are related to the unic ENEA-mail-server and a lot of Enea-client .

How can I get the entire session in a pcap ? By BASE  ? And how ?

Many thank's for collaboration.



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