hi.
background:
-----------
previously, i used to run it by this:
> arpwatch -i enp7s0 -m cave...@domain.com -s /usr/sbin/sendmail
but now, after some update, apparently this
doesn't work any more.
what seems to have changed is:
* "-m" is replaced by "-w" or "-W".
* "-s" doesn't specify sendmail path, but is
rather only a flag to suppress "reports sent
by email".
if i update the command into:
> arpwatch -i enp7s0 -w cave...@domain.com
then, it runs normally, but, it fails to send
emails, with this error:
> execl: sendmail: No such file or directory
`whereis sendmail`:
> sendmail: /usr/sbin/sendmail /usr/lib/sendmail /usr/lib64/sendmail
/usr/share/man/man1/sendmail.1.bz2
questions:
----------
Q1: what happened that caused this syntax change?
e.g. is it an update from upstream? or is it
a totally new app written by other devs? or
am i hallucinating (pretty sure it used to
work tho)?
Q2: is there any better tool to monitor arps and
to email me when interesting things happen?
thanks a lot for your time.
rgrds,
cm.
