The absence of a UDP POE::Component is weird because POE::Wheel::SocketFactory (used by POE::Component::Client::TCP) supports UDP.

As for your second problem, your sense of aesthetics might be satisfied by

sub Ignore () { sub{} }

...

        ServerInput    => Ignore,

[download]

In reply to Re: Building a simple service scanner with POE by ikegami
in thread Building a simple service scanner with POE by grinder

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