18 May
2017
18 May
'17
10:29 a.m.
On Thu, May 18, 2017 at 10:25:05AM -0400, Craig Brauckmiller wrote:
I do that for security, but ok.
If you reply with port unreachable (if you reply at all) you've
given away as much as answering a ping would -- that there is
something there to try to break into. The only 'secure' way to
hide it is to blackhole the ping request, if hiding is what you're
trying to do.
- Brian