Am 5. Juli 2017 20:06:47 MESZ schrieb Steve Litt <slitt@???>:

>You still need the 2>/dev/null and you still need the -w2 for very
>rare hangs

I see... if the targeted hostname does not resolve, netcat returns an error message, also with the -z (zero i/o) option set. Thank you for the hint! Do you have an example for such a "rare hang" handy?

Libre Grüße,

Florian

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