If you ever see connections you don't recognise you can telnet to your STB and run the command 'telnet -anp' which will give details of the current connections and the process they're associated too under the active internet connections section - for example:
Code:
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 440/dropbear
tcp 0 0 0.0.0.0:3001 0.0.0.0:* LISTEN 560/oscam-latest
tcp 0 0 192.168.0.240:39780 91.121.28.44:48729 ESTABLISHED 560/oscam-latest
tcp 0 0 192.168.0.240:54794 37.242.51.221:45509 ESTABLISHED 560/oscam-latest
tcp 0 0 192.168.0.240:50461 37.182.93.124:13009 ESTABLISHED 560/oscam-latest
tcp 0 0 :::8001 :::* LISTEN 501/enigma2
tcp 0 0 :::80 :::* LISTEN 501/enigma2
tcp 0 0 :::21 :::* LISTEN 476/vsftpd
tcp 0 0 :::22 :::* LISTEN 440/dropbear
tcp 0 0 :::23 :::* LISTEN 472/telnetd
tcp 0 643 ::ffff:192.168.0.240:23 ::ffff:192.168.0.235:51176 ESTABLISHED 472/telnetd
udp 0 0 0.0.0.0:38619 0.0.0.0:* 484/avahi-daemon: r
udp 0 0 0.0.0.0:5353 0.0.0.0:* 484/avahi-daemon: r
udp 0 0 0.0.0.0:5355 0.0.0.0:* 484/avahi-daemon: r
udp 0 0 :::59050 :::* 484/avahi-daemon: r
udp 0 0 :::5353 :::* 484/avahi-daemon: r
udp 0 0 :::5355 :::* 484/avahi-daemon: r
Active UNIX domain sockets (servers and established)
Proto RefCnt Flags Type State I-Node PID/Program name Path
unix 2 [ ACC ] STREAM LISTENING 522 484/avahi-daemon: r /var/run/avahi-daemon/socket
unix 2 [ ACC ] STREAM LISTENING 1608 436/dbus-daemon /var/run/dbus/system_bus_socket
unix 2 [ ACC ] STREAM LISTENING 849 560/oscam-latest /tmp/camd.socket
unix 6 [ ] DGRAM 1643 466/syslogd /dev/log
unix 2 [ ACC ] STREAM LISTENING 640 501/enigma2 /tmp/.listen.ciplus.socket
unix 2 [ ACC ] STREAM LISTENING 642 501/enigma2 /tmp/.listen.camd.socket
unix 2 [ ACC ] STREAM LISTENING 668 501/enigma2 /tmp/hotplug.socket
unix 3 [ ] STREAM CONNECTED 1000 501/enigma2
unix 3 [ ] STREAM CONNECTED 524 484/avahi-daemon: r
unix 3 [ ] STREAM CONNECTED 519 485/avahi-daemon: c
unix 2 [ ] DGRAM 515 484/avahi-daemon: r
unix 3 [ ] STREAM CONNECTED 835 560/oscam-latest
unix 3 [ ] STREAM CONNECTED 361 436/dbus-daemon
unix 3 [ ] STREAM CONNECTED 1001 560/oscam-latest /tmp/camd.socket
unix 3 [ ] STREAM CONNECTED 525 436/dbus-daemon /var/run/dbus/system_bus_socket
unix 3 [ ] STREAM CONNECTED 518 484/avahi-daemon: r
unix 2 [ ] DGRAM 682 450/automount
unix 2 [ ] DGRAM 1007 6440/login
unix 3 [ ] STREAM CONNECTED 836 560/oscam-latest
unix 3 [ ] STREAM CONNECTED 360 436/dbus-daemon
unix 2 [ ] DGRAM 487 469/klogd