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Add option to use nc (netcat) instead o bash /dev/tcp/ #111

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evandrocoan opened this issue Oct 3, 2021 · 1 comment · May be fixed by #112
Open

Add option to use nc (netcat) instead o bash /dev/tcp/ #111

evandrocoan opened this issue Oct 3, 2021 · 1 comment · May be fixed by #112

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@evandrocoan
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I was using to use this script (which used (echo -n > /dev/tcp/$WAITFORIT_HOST/$WAITFORIT_PORT) >/dev/null 2>&1 hack on a old operating system/bash 3.2.39), but it was not working, i.e., detecting the when the connection was open. When, I forced the script to use nc -z alternative and it started working.
@evandrocoan evandrocoan linked a pull request Oct 3, 2021 that will close this issue
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@le-shi
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le-shi commented Feb 16, 2022

I also encountered a similar problem. Some security products of public cloud platforms would identify (echo -n > /dev/tcp/$WAITFORIT_HOST/$WAITFORIT_PORT) >/dev/null 2>&1 as horizontal penetration, which resulted in my inability to use it. I could only complete the original work by using nc command.

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Add netcat support from command line evandroforks/wait-for-it
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@evandrocoan @le-shi