El 20/6/21 a les 19:38, Jean SUZINEAU via fpc-pascal ha escrit:
Ping uses ICMP protocol.
I don't have currently Indy installed on my machines, but I think you
can find pascal components for ICMP client and even ICMP server.
I think that this way you can do a single "ping", a single ICMP request.
It seems that Synapse has ping support too:
https://wiki.freepascal.org/Networking_libraries
Beware though: under raw socket access (needed for ICMP) is a privileged
operation.
In older systems the ping executable was setuid root, nowadays it has
the cap_net_raw capability.
Bye
--
Luca
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