When I start iptraf it can't detect any of my network interfaces. I have a suspicion that this is tied to Ubuntu's new naming scheme for network interfaces (mine is called wlp112s0 instead of wlan0). If I try to force with this:

sudo iptraf -i wlp112s0

I get this message in a red textbox:

Specified interface not supported

  • 2
    Did you try iptraf-ng? – Thomas Dec 19 '16 at 19:20
  • iptraf-ng works, so if you change your comment to an answer I can accept it – portforwardpodcast Dec 19 '16 at 19:28

As suggested by @Thomas, try iptraf-ng.

  • What's the difference between the two (other than one works and the other doesn't)? Is iptraf-ng a fork? Google results seem to use the names interchangably, and I can't find any info on who started iptraf-ng. – Cerin Aug 16 '18 at 21:08

After searching on some sites, I found the solution, type iptraf -u

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