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Purpose of all network interfaces? #21

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opened 2024-05-09 01:20:42 +02:00 by Benjamin_Loison · 0 comments
Benjamin_Loison commented 2024-05-09 01:20:42 +02:00
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  • localhost
  • ethernet
  • wireless
  • VirtualBox
  • docker
  • Waydroid
  • Proton VPN

Could use any of these services and consume a given quantity of network and try to notice it in one of these interfaces.

OC3K Debian 12

ifconfig

br-CENSORED: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet CENSORED  netmask 255.255.0.0  broadcast CENSORED
        inet6 CENSORED  prefixlen 64  scopeid 0x20<link>
        ether CENSORED  txqueuelen 0  (Ethernet)
        RX packets CENSORED  bytes CENSORED (CENSORED KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets CENSORED  bytes CENSORED (CENSORED KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

br-CENSORED: flags=CENSORED<UP,BROADCAST,MULTICAST>  mtu 1500
        inet CENSORED  netmask 255.255.0.0  broadcast CENSORED
        ether CENSORED  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

br-CENSORED: flags=CENSORED<UP,BROADCAST,MULTICAST>  mtu 1500
        inet CENSORED  netmask 255.255.0.0  broadcast CENSORED
        ether CENSORED  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

docker0: flags=CENSORED<UP,BROADCAST,MULTICAST>  mtu 1500
        inet CENSORED  netmask 255.255.0.0  broadcast CENSORED
        ether CENSORED  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

enp2s0: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet CENSORED  netmask 255.255.255.0  broadcast CENSORED
        inet6 CENSORED  prefixlen 64  scopeid 0x0<global>
        inet6 CENSORED  prefixlen 64  scopeid 0x20<link>
        ether CENSORED  txqueuelen 1000  (Ethernet)
        RX packets CENSORED  bytes CENSORED (CENSORED GiB)
        RX errors CENSORED  dropped 0  overruns 0  frame CENSORED
        TX packets CENSORED  bytes CENSORED (CENSORED GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 17  

lo: flags=CENSORED<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets CENSORED  bytes CENSORED (CENSORED GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets CENSORED  bytes CENSORED (CENSORED GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

vethCENSORED: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 CENSORED  prefixlen 64  scopeid 0x20<link>
        ether CENSORED  txqueuelen 0  (Ethernet)
        RX packets CENSORED  bytes CENSORED (CENSORED MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets CENSORED  bytes CENSORED (CENSORED MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

vethCENSORED: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 CENSORED  prefixlen 64  scopeid 0x20<link>
        ether CENSORED  txqueuelen 0  (Ethernet)
        RX packets CENSORED  bytes CENSORED (CENSORED MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets CENSORED  bytes CENSORED (CENSORED MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

vethCENSORED: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 CENSORED  prefixlen 64  scopeid 0x20<link>
        ether CENSORED  txqueuelen 0  (Ethernet)
        RX packets CENSORED  bytes CENSORED (CENSORED MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets CENSORED  bytes CENSORED (CENSORED MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

My Linux Mint Framework:

br-CENSORED: flags=CENSORED<UP,BROADCAST,MULTICAST>  mtu 1500
        inet CENSORED  netmask 255.255.0.0  broadcast CENSORED
        ether CENSORED  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

br-CENSORED: flags=CENSORED<UP,BROADCAST,MULTICAST>  mtu 1500
        inet CENSORED  netmask 255.255.0.0  broadcast CENSORED
        ether CENSORED  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

docker0: flags=CENSORED<UP,BROADCAST,MULTICAST>  mtu 1500
        inet CENSORED  netmask 255.255.0.0  broadcast CENSORED
        ether CENSORED  txqueuelen 0  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=CENSORED<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets CENSORED  bytes CENSORED (CENSORED MB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets CENSORED  bytes CENSORED (CENSORED MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lxcbr0: flags=CENSORED<UP,BROADCAST,MULTICAST>  mtu 1500
        inet CENSORED  netmask 255.255.255.0  broadcast CENSORED
        ether CENSORED  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlpCENSORED: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet CENSORED  netmask 255.255.255.0  broadcast CENSORED
        inet6 CENSORED  prefixlen 64  scopeid 0x0<global>
        inet6 CENSORED  prefixlen 64  scopeid 0x0<global>
        inet6 CENSORED  prefixlen 64  scopeid 0x20<link>
        ether CENSORED  txqueuelen 1000  (Ethernet)
        RX packets CENSORED  bytes CENSORED (CENSORED GB)
        RX errors 0  dropped CENSORED  overruns 0  frame 0
        TX packets CENSORED  bytes CENSORED (CENSORED GB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
- localhost - ethernet - wireless - VirtualBox - docker - Waydroid - Proton VPN Could use any of these services and consume a given quantity of network and try to notice it in one of these interfaces. OC3K Debian 12 ```bash ifconfig ``` ``` br-CENSORED: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet CENSORED netmask 255.255.0.0 broadcast CENSORED inet6 CENSORED prefixlen 64 scopeid 0x20<link> ether CENSORED txqueuelen 0 (Ethernet) RX packets CENSORED bytes CENSORED (CENSORED KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets CENSORED bytes CENSORED (CENSORED KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 br-CENSORED: flags=CENSORED<UP,BROADCAST,MULTICAST> mtu 1500 inet CENSORED netmask 255.255.0.0 broadcast CENSORED ether CENSORED txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 br-CENSORED: flags=CENSORED<UP,BROADCAST,MULTICAST> mtu 1500 inet CENSORED netmask 255.255.0.0 broadcast CENSORED ether CENSORED txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 docker0: flags=CENSORED<UP,BROADCAST,MULTICAST> mtu 1500 inet CENSORED netmask 255.255.0.0 broadcast CENSORED ether CENSORED txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 enp2s0: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet CENSORED netmask 255.255.255.0 broadcast CENSORED inet6 CENSORED prefixlen 64 scopeid 0x0<global> inet6 CENSORED prefixlen 64 scopeid 0x20<link> ether CENSORED txqueuelen 1000 (Ethernet) RX packets CENSORED bytes CENSORED (CENSORED GiB) RX errors CENSORED dropped 0 overruns 0 frame CENSORED TX packets CENSORED bytes CENSORED (CENSORED GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 device interrupt 17 lo: flags=CENSORED<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1000 (Local Loopback) RX packets CENSORED bytes CENSORED (CENSORED GiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets CENSORED bytes CENSORED (CENSORED GiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 vethCENSORED: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 CENSORED prefixlen 64 scopeid 0x20<link> ether CENSORED txqueuelen 0 (Ethernet) RX packets CENSORED bytes CENSORED (CENSORED MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets CENSORED bytes CENSORED (CENSORED MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 vethCENSORED: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 CENSORED prefixlen 64 scopeid 0x20<link> ether CENSORED txqueuelen 0 (Ethernet) RX packets CENSORED bytes CENSORED (CENSORED MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets CENSORED bytes CENSORED (CENSORED MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 vethCENSORED: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 CENSORED prefixlen 64 scopeid 0x20<link> ether CENSORED txqueuelen 0 (Ethernet) RX packets CENSORED bytes CENSORED (CENSORED MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets CENSORED bytes CENSORED (CENSORED MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ``` My Linux Mint Framework: ``` br-CENSORED: flags=CENSORED<UP,BROADCAST,MULTICAST> mtu 1500 inet CENSORED netmask 255.255.0.0 broadcast CENSORED ether CENSORED txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 br-CENSORED: flags=CENSORED<UP,BROADCAST,MULTICAST> mtu 1500 inet CENSORED netmask 255.255.0.0 broadcast CENSORED ether CENSORED txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 docker0: flags=CENSORED<UP,BROADCAST,MULTICAST> mtu 1500 inet CENSORED netmask 255.255.0.0 broadcast CENSORED ether CENSORED txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=CENSORED<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1000 (Local Loopback) RX packets CENSORED bytes CENSORED (CENSORED MB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets CENSORED bytes CENSORED (CENSORED MB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lxcbr0: flags=CENSORED<UP,BROADCAST,MULTICAST> mtu 1500 inet CENSORED netmask 255.255.255.0 broadcast CENSORED ether CENSORED txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 wlpCENSORED: flags=CENSORED<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet CENSORED netmask 255.255.255.0 broadcast CENSORED inet6 CENSORED prefixlen 64 scopeid 0x0<global> inet6 CENSORED prefixlen 64 scopeid 0x0<global> inet6 CENSORED prefixlen 64 scopeid 0x20<link> ether CENSORED txqueuelen 1000 (Ethernet) RX packets CENSORED bytes CENSORED (CENSORED GB) RX errors 0 dropped CENSORED overruns 0 frame 0 TX packets CENSORED bytes CENSORED (CENSORED GB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ```
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Reference: Benjamin_Loison/linux#21