There are a whole heap of annoying gui network mismanagers bundled with all sorts of systems.
I am happy to reassure you that you will find none of these monstrosities foisted upon you in FreeBSD. Networking is neatly handled by /etc/rc.conf and the ifconfig utility.
If you really want one of these, seek psychiatric help. In the meantime, you may find something suitable in /usr/ports/net .
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The only dumb question is a question not asked.
The only dumb answer is an answer not given.
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