Heb je ufw (Uncomplicated Firewall) soms aangezet?
http://computertip.googlepages.com/veiligheidinubuntu
Niet bewust?? Hoe kan ik dat checken??
bert@bert-laptop:~$ ps -e
PID TTY TIME CMD
1 ? 00:00:01 init
2 ? 00:00:00 kthreadd
3 ? 00:00:00 migration/0
4 ? 00:00:00 ksoftirqd/0
5 ? 00:00:00 watchdog/0
6 ? 00:00:00 events/0
7 ? 00:00:00 khelper
42 ? 00:00:00 kblockd/0
45 ? 00:00:00 kacpid
46 ? 00:00:00 kacpi_notify
127 ? 00:00:00 kseriod
158 ? 00:00:00 pdflush
159 ? 00:00:00 pdflush
160 ? 00:00:00 kswapd0
201 ? 00:00:00 aio/0
1470 ? 00:00:00 ksuspend_usbd
1474 ? 00:00:00 khubd
1502 ? 00:00:00 khpsbpkt
1521 ? 00:00:00 ata/0
1524 ? 00:00:00 ata_aux
1804 ? 00:00:00 knodemgrd_0
1806 ? 00:00:00 scsi_eh_0
1808 ? 00:00:00 scsi_eh_1
2458 ? 00:00:00 kjournald
2660 ? 00:00:00 udevd
3007 ? 00:00:00 kpsmoused
3113 ? 00:00:00 ipw2200/0
3134 ? 00:00:00 tifm
3885 ? 00:00:00 pccardd
4448 tty4 00:00:00 getty
4449 tty5 00:00:00 getty
4453 tty2 00:00:00 getty
4454 tty3 00:00:00 getty
4456 tty6 00:00:00 getty
4623 ? 00:00:00 acpid
4655 ? 00:00:02 kondemand/0
4731 ? 00:00:00 syslogd
4784 ? 00:00:00 dd
4787 ? 00:00:00 klogd
4809 ? 00:00:01 dbus-daemon
4826 ? 00:00:00 NetworkManager
4840 ? 00:00:00 NetworkManagerD
4853 ? 00:00:00 system-tools-ba
4910 ? 00:00:00 slmodemd
4963 ? 00:00:00 avahi-daemon
4966 ? 00:00:00 avahi-daemon
5071 ? 00:00:00 atieventsd
5161 ? 00:00:00 dhcdbd
5180 ? 00:00:01 hald
5183 ? 00:00:00 console-kit-dae
5245 ? 00:00:00 hald-runner
5258 ? 00:00:00 hald-addon-inpu
5273 ? 00:00:00 hald-addon-cpuf
5274 ? 00:00:00 hald-addon-acpi
5296 ? 00:00:00 hald-addon-stor
5322 ? 00:00:00 hcid
5362 ? 00:00:00 btaddconn
5363 ? 00:00:00 btdelconn
5372 ? 00:00:00 bluetoothd-serv
5377 ? 00:00:00 bluetoothd-serv
5383 ? 00:00:00 krfcommd
5420 ? 00:00:00 gdm
5423 ? 00:00:00 gdm
5427 tty7 00:00:14 Xorg
5466 ? 00:00:00 atd
5482 ? 00:00:00 cron
5596 tty1 00:00:00 getty
5601 tty7 00:00:00 Xorg
5633 ? 00:00:00 gconfd-2
5635 ? 00:00:00 gnome-keyring-d
5637 ? 00:00:00 x-session-manag
5694 ? 00:00:00 seahorse-agent
5702 ? 00:00:00 dbus-daemon
5703 ? 00:00:00 gnome-settings-
5714 ? 00:00:00 pulseaudio
5717 ? 00:00:00 gconf-helper
5734 ? 00:00:00 gnome-screensav
5735 ? 00:00:01 metacity
5736 ? 00:00:02 gnome-panel
5737 ? 00:00:00 nautilus
5739 ? 00:00:00 bonobo-activati
5741 ? 00:00:00 update-notifier
5746 ? 00:00:00 evolution-alarm
5748 ? 00:00:00 gvfsd
5750 ? 00:00:01 beagled
5751 ? 00:00:00 bluetooth-apple
5755 ? 00:00:00 beagle-search
5770 ? 00:00:00 python
5772 ? 00:00:00 gnome-volume-ma
5775 ? 00:00:00 nm-applet
5776 ? 00:00:00 gnome-power-man
5813 ? 00:00:00 wpa_supplicant
5821 ? 00:00:00 evolution-data-
5844 ? 00:00:00 gvfsd-burn
5854 ? 00:00:00 trashapplet
5858 ? 00:00:00 gvfsd-trash
5863 ? 00:00:00 dhclient
5865 ? 00:00:00 evolution-excha
5952 ? 00:00:00 mixer_applet2
5955 ? 00:00:00 fast-user-switc
6100 ? 00:00:01 beagled-helper
6193 ? 00:00:31 firefox
6816 ? 00:00:00 SystemToolsBack
6822 ? 00:00:00 SystemToolsBack
6843 ? 00:00:00 gnome-terminal
6845 ? 00:00:00 gnome-pty-helpe
6846 pts/1 00:00:00 bash
6867 pts/1 00:00:00 ps
bert@bert-laptop:~$
Dit is wat er momenteel draait. (volgens mij)