[ubuntu-it] Analisi della porta 25 con Netstat

[Giuseppe Lantieri]

Ho effettuato il controllo della porta 25 con netstat è mi ha dato la
seguente risposta:

tcp        0      0 127.0.0.1:25            0.0.0.0:*              
LISTEN     5642/exim4         
unix  2      [ ACC ]     STREAM     LISTENING     19608   
6290/ssh-agent      /tmp/ssh-erdzhc6250/agent.6250
unix  2      [ ACC ]     STREAM     LISTENING     19839   
6250/x-session-mana /tmp/seahorse-E3GSlA/S.gpg-agent
unix  2      [ ACC ]     STREAM     LISTENING     19844   
6250/x-session-mana /tmp/ssh-erdzhc6250/agent.6250.seahorse
unix  2      [ ACC ]     STREAM     LISTENING     19857   
6250/x-session-mana /tmp/orbit-giuseppe/linc-186a-0-47bbd720d49dd
unix  2      [ ACC ]     STREAM     LISTENING     19883   
6250/x-session-mana /tmp/.ICE-unix/6250
unix  2      [ ACC ]     STREAM     LISTENING     20253   
6332/vino-session   /tmp/orbit-giuseppe/linc-18bc-0-2e14e9f98da92
unix  3      [ ]         STREAM     CONNECTED     33425   
20654/gnome-pty-hel
unix  3      [ ]         STREAM     CONNECTED     33386   
6250/x-session-mana /tmp/.ICE-unix/6250
unix  3      [ ]         STREAM     CONNECTED     22533   
6294/dbus-daemon    @/tmp/dbus-Wd81sRKNoH
unix  3      [ ]         STREAM     CONNECTED     22532   
6477/python        
unix  3      [ ]         STREAM     CONNECTED     22512   
6294/dbus-daemon    @/tmp/dbus-Wd81sRKNoH
unix  3      [ ]         STREAM     CONNECTED     22511   
6477/python        
unix  3      [ ]         STREAM     CONNECTED     22510   
6477/python         /tmp/orbit-giuseppe/linc-194d-0-bf9d6f8baa84
unix  3      [ ]         STREAM     CONNECTED     22509   
6507/evolution-data
unix  3      [ ]         STREAM     CONNECTED     22508   
6507/evolution-data /tmp/orbit-giuseppe/linc-196b-0-54874386e68cd
unix  3      [ ]         STREAM     CONNECTED     22507   
6477/python        
unix  3      [ ]         STREAM     CONNECTED     22504   
6507/evolution-data /tmp/orbit-giuseppe/linc-196b-0-54874386e68cd
unix  3      [ ]         STREAM     CONNECTED     22503   
6328/bonobo-activat
unix  3      [ ]         STREAM     CONNECTED     22502   
6328/bonobo-activat /tmp/orbit-giuseppe/linc-18b8-0-53f8e40c6c587
unix  3      [ ]         STREAM     CONNECTED     22501   
6507/evolution-data
unix  3      [ ]         STREAM     CONNECTED     22408   
6250/x-session-mana /tmp/.ICE-unix/6250
unix  3      [ ]         STREAM     CONNECTED     20298   
6250/x-session-mana /tmp/.ICE-unix/6250
unix  3      [ ]         STREAM     CONNECTED     20259   
6336/update-notifie
unix  3      [ ]         STREAM     CONNECTED     20256   
6332/vino-session   /tmp/orbit-giuseppe/linc-18bc-0-2e14e9f98da92
unix  3      [ ]         STREAM     CONNECTED     20255   
6296/gconfd-2      
unix  3      [ ]         STREAM     CONNECTED     20252   
6296/gconfd-2       /tmp/orbit-giuseppe/linc-1898-0-481d41f747ac3
unix  3      [ ]         STREAM     CONNECTED     20251   
6332/vino-session  
unix  3      [ ]         STREAM     CONNECTED     20249   
6250/x-session-mana /tmp/.ICE-unix/6250
unix  3      [ ]         STREAM     CONNECTED     20248   
6250/x-session-mana /tmp/.ICE-unix/6250
unix  3      [ ]         STREAM     CONNECTED     20082   
6250/x-session-mana /tmp/.ICE-unix/6250
unix  3      [ ]         STREAM     CONNECTED     20072   
6250/x-session-mana /tmp/.ICE-unix/6250
unix  3      [ ]         STREAM     CONNECTED     20028   
6250/x-session-mana /tmp/.ICE-unix/6250
unix  3      [ ]         STREAM     CONNECTED     20002   
6250/x-session-mana /tmp/.ICE-unix/6250
unix  3      [ ]         STREAM     CONNECTED     19893   
6250/x-session-mana
unix  3      [ ]         STREAM     CONNECTED     19860   
6250/x-session-mana /tmp/orbit-giuseppe/linc-186a-0-47bbd720d49dd
unix  3      [ ]         STREAM     CONNECTED     19855   
6250/x-session-mana
unix  3      [ ]         STREAM     CONNECTED     19850   
6250/x-session-mana

Qualcuno è in grado di spiegarmi cosa sta accadendo? Prima la porta 25
con nmap non risultava aperta.
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