NORMAL_ATTACK and HAVY_ATTACK messages

[Dan Pomohaci <dan@dpc.usab.ro>]

Wich program send e-mail with this warnings in Subject field:
NORMAL_ATTACK from sandwich.math.unibuc.ro - target gw1.usab.ro
or 
HEAVY_ATTACK from sandwich.math.unibuc.ro - target gw1.usab.ro
and how can I get more information about this attack? 

On my server is a standard bo Debian distribution installed.

-- 
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| Dan N. Pomohaci                      | e-mail: dan@usab.ro       |
| Lecturer - Faculty of Biotechnology  |                           |  
| University of Agricultural Sciences  |                           |
| 59 Marasti Ave, code 71331,          | tel:  40-1-2223700/324    |
| Bucharest, Romania                   | fax:  40-1-22232693       |
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