FWIW:
Host:
dmesg
Code:
[33787.400487] usb 1-9: new high-speed USB device number 5 using xhci_hcd
[33787.538536] cdc_ether 1-9:1.0 usb0: register 'cdc_ether' at usb-0000:00:14.0-9, CDC Ethernet Device, ee:49:00:03:70:31
[33787.843570] cdc_ether 1-9:1.0 enp0s20f0u9: renamed from usb0
Code:
ifconfig enp0s20f0u9 192.168.2.1
ifconfig
Code:
enp0s20f0u9: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.2.1 netmask 255.255.255.0 broadcast 192.168.2.255
ether ee:49:00:03:70:31 txqueuelen 1000 (Ethernet)
RX packets 3234 bytes 1870022 (1.7 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3695 bytes 1626036 (1.5 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp0s31f6: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.42 netmask 255.255.255.0 broadcast 192.168.1.255
ether aa:bb:cc:dd:ee:ff txqueuelen 1000 (Ethernet)
RX packets 5122938 bytes 7671700702 (7.1 GiB)
RX errors 0 dropped 1 overruns 0 frame 0
TX packets 2658698 bytes 222992024 (212.6 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 16 memory 0xf7f00000-f7f20000
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
loop txqueuelen 1000 (Local Loopback)
RX packets 141631 bytes 78854242 (75.2 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 141631 bytes 78854242 (75.2 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Kobo (w/ both Wi-Fi & USB up):
Code:
ssh root@192.168.2.2
ifconfig
Code:
eth0 Link encap:Ethernet HWaddr FF:EE:DD:CC:BB:AA
inet addr:192.168.1.150 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:39 errors:0 dropped:0 overruns:0 frame:0
TX packets:30 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3801 (3.7 KiB) TX bytes:3098 (3.0 KiB)
usb0 Link encap:Ethernet HWaddr EE:19:00:03:70:31
inet addr:192.168.2.2 Bcast:192.168.2.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:32195 errors:0 dropped:0 overruns:0 frame:0
TX packets:41648 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:7026138 (6.7 MiB) TX bytes:13935004 (13.2 MiB)
netstat -lutp
Code:
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN 851/inetd
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 857/dropbear
tcp 0 0 0.0.0.0:23 0.0.0.0:* LISTEN 851/inetd
udp 0 0 0.0.0.0:68 0.0.0.0:* 20632/dhcpcd
Which confirms that both inetd & dropbear listen on *all* interfaces by default
.