Public bug reported: in 19.10, arp-scan (1.9.5) does not work as expected anymore.
It just returns an empty scan when run: $ sudo arp-scan -I enp1s0 -l -r 3 Interface: enp1s0, datalink type: EN10MB (Ethernet) Starting arp-scan 1.9.5 with 256 hosts (https://github.com/royhills/arp-scan) 24 packets received by filter, 0 packets dropped by kernel Ending arp-scan 1.9.5: 256 hosts scanned in 3.235 seconds (79.13 hosts/sec). 0 responded This is not expected. It was working fine in 19.04. Moreover, compiling an running arp-scan from https://github.com/royhills /arp-scan works as expected: $ sudo ./arp-scan -I enp1s0 -l Interface: enp1s0, type: EN10MB, MAC: xx:xx:xx:xx:xx:xx, IPv4: 192.168.44.115 Starting arp-scan 1.9.6 with 256 hosts (https://github.com/royhills/arp-scan) 192.168.44.1 xx:xx:xx:xx:xx:xx YYYYY 192.168.44.55 xx:xx:xx:xx:xx:xx YYYY 192.168.44.106 xx:xx:xx:xx:xx:xx GGGG 192.168.44.117 xx:xx:xx:xx:xx:xx HHHH 192.168.44.121 xx:xx:xx:xx:xx:xx HJJJJJ 192.168.44.103 xx:xx:xx:xx:xx:xx GGHJJ 192.168.44.110 xx:xx:xx:xx:xx:xx HHHH 192.168.44.230 xx:xx:xx:xx:xx:xx JJJJ 8 packets received by filter, 0 packets dropped by kernel Ending arp-scan 1.9.6: 256 hosts scanned in 2.105 seconds (121.62 hosts/sec). 8 responded scan has been redacted Please upgrade to 1.9.6 or even the upcoming 1.9.7 or apply any needed fix. thanks ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: arp-scan 1.9.5-1build1 ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1 Uname: Linux 5.3.0-19-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.11-0ubuntu8 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Oct 24 23:55:06 2019 InstallationDate: Installed on 2018-05-07 (535 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash SourcePackage: arp-scan UpgradeStatus: Upgraded to eoan on 2019-10-23 (1 days ago) ** Affects: arp-scan (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug eoan wayland-session -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849740 Title: arp-scan returns an empty scan To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/arp-scan/+bug/1849740/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
