<https://man.freebsd.org/cgi/man.cgi?query=telnetd&sektion=8&manpath=freebsd-ports#SYNOPSIS> begins: /usr/libexec/telnetd [-46BUhlkn] [-D debugmode] [-S tos] [-X authtype] [-a authmode] [-edebug] [-p loginprog] [-u len] [-debug [port]] /usr/libexec/telnetd does not exist. Instead: grahamperrin:~ % pkg info --list freebsd-telnetd | grep libexec\/telnetd /usr/local/libexec/telnetd grahamperrin:~ %