I know when I was doing some heavy scanning with nmap and macOS I came across an issue with the kernel limiting the ICMP rate and that causing it to skip ports. I tried fooling with net.inet.icmp.icmplim but ran into other problems. My ultimate conclusion was it was easier to run it in Docker using CentOS 7 :/
On Tue, Sep 4, 2018 at 9:11 PM James Linder <j...@tigger.ws> wrote: > > > > On 5 Sep 2018, at 4:45 am, Daniel J. Luke <dl...@geeklair.net> wrote: > > > > On Sep 4, 2018, at 4:39 PM, Ryan Schmidt <ryandes...@macports.org> > wrote: > >> It looks like he's showing us that nmap on his Linux machine found 11 > hosts while on his Mac it only found 6 hosts. > > > > maybe? and there a lots of reasons why that might be the case. > > Just to be more exact the linux machine is a vm on my mac with a bridged > network. > Daniel what can the ‘lots of reasons’ be? > > Thanks > James > >