VORHER***************
dude@Mickey-Netbook:~$ sudo netstat -tulpen
Aktive Internetverbindungen (Nur Server)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       User       Inode       PID/Program name
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN      0          7566        1055/cupsd      
tcp6       0      0 ::1:631                 :::*                    LISTEN      0          7565        1055/cupsd      
udp        0      0 0.0.0.0:50218           0.0.0.0:*                           104        6847        724/avahi-daemon: r
udp        0      0 0.0.0.0:68              0.0.0.0:*                           0          11533       1477/dhclient   
udp        0      0 0.0.0.0:5353            0.0.0.0:*                           104        6845        724/avahi-daemon: r
udp6       0      0 :::42215                :::*                                104        6848        724/avahi-daemon: r
udp6       0      0 :::5353                 :::*                                104        6846        724/avahi-daemon: r

NACHER***************
dude@Mickey-Netbook:~$ sudo netstat -tulpen
Aktive Internetverbindungen (Nur Server)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       User       Inode       PID/Program name
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN      0          7566        1055/cupsd      
tcp        0      0 127.0.0.1:1194          0.0.0.0:*               LISTEN      0          64938       2926/openvpn    
tcp6       0      0 ::1:631                 :::*                    LISTEN      0          7565        1055/cupsd      
udp        0      0 0.0.0.0:50218           0.0.0.0:*                           104        6847        724/avahi-daemon: r
udp        0      0 0.0.0.0:68              0.0.0.0:*                           0          11533       1477/dhclient   
udp        0      0 0.0.0.0:59610           0.0.0.0:*                           0          64942       2926/openvpn    
udp        0      0 0.0.0.0:5353            0.0.0.0:*                           104        6845        724/avahi-daemon: r
udp6       0      0 :::42215                :::*                                104        6848        724/avahi-daemon: r
udp6       0      0 :::5353                 :::*                                104        6846        724/avahi-daemon: r