Rebooted a Ubuntu 16.04 VM. My virtual ethernet card device is now “ens33”. Of course.
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Arrigo Triulzi Retweeted Arrigo Triulzi
I am pleased to report that, following a further package upgrade, the interface name is now “ens31”. Of course. Awaiting a change of disk UUIDs and mount points with baited breath.https://twitter.com/cynicalsecurity/status/1013170361733705734 …
Arrigo Triulzi added,
5 replies 2 retweets 10 likesShow this thread -
Replying to @cynicalsecurity
1) you can fix it per MAC address (RTFM ;) ) 2) not assigning static names automatically is actually a good security measure. Honestly not a systemd issue.
1 reply 0 retweets 1 like -
Replying to @AndreaBarisani
Why are random interface names a good security measure?
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Replying to @cynicalsecurity
To avoid firewall rules on like ethX to allow traffic on spurious interfaces plugged on locked systems and evaluated.
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Replying to @AndreaBarisani
Mmh, if interface names went with hardware like BSD you’d know when a USB interface is plugged in because the name is different? Consistency through hand-waving is a bit weird.
1 reply 0 retweets 3 likes
I want consistency only when I explicit assign driver *and* MAC address to an interface name, everything else should be a random throwaway. Systemd and udev behave like that and it’s fine by me.
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