How to test whether a host is reachable?
Bart Ogryczak
B.Ogryczak at gmail.com
Thu Feb 22 11:22:45 EST 2007
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Thu Feb 22 11:22:45 EST 2007
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On Feb 22, 3:22 pm, Fabian Steiner <l... at fabis-site.net> wrote: > Now I am wondering if there isn't any better method which would be more > general. In fact, I think of something like a python version of ping > which only tries to send ICMP packets. Server or a firewall in between most probably will filter out any ICMP packets, so you'll get no pings at all from a machine which IS on- line. The only way is try the services that you know, that should be open on that machine. Do not try too many at a time, becouse that could be interpeted as portscan and you'll get blacklisted.
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