Comments (1)
erjoalgo
commented on June 16, 2024
Looking at the logs on the host eluding discovery (192.168.0.106), I see some of the following UFW block logs:
2024-05-03T18:39:11.740403-04:00 bee kernel: [2070015.956759] [UFW BLOCK] IN=wlo1 OUT= MAC=01:00:5e:00:00:01:e4:fa:c4:e6:9a:3d:08:00 SRC=192.168.0.1 DST=224.0.0.1 LEN=36 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
2024-05-03T18:41:16.764399-04:00 bee kernel: [2070140.968665] [UFW BLOCK] IN=wlo1 OUT= MAC=01:00:5e:00:00:01:e4:fa:c4:e6:9a:3d:08:00 SRC=192.168.0.1 DST=224.0.0.1 LEN=36 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
After reading https://superuser.com/questions/739481/what-might-these-connection-attemps-mean, my guess would be that these PROTO=2 packets being blocked are related to nmap's attempts to discover the host.
Is there anything I can do from the nmap side to ensure discovering hosts like these?
Again, I can consistently arping and ping the host but somehow nmap fails to find it.
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