make a nex server on a
BSD computer. fill a 
file with this code:
#!/bin/sh

BASE="/home/user/public/nexsite"

read -r req || exit 0

req=$(printf "%s" "$req" | tr -d '\r')
req=$(printf "%s" "$req" | tr -cd 'a-zA-Z0-9_')

[ -z "$req" ] && req="index"

file="$BASE/$req"

if [ -f "$file" ]; then
    printf "nexsocial\r\n"
    cat "$file"
else
    printf "51 Not found\r\n"
fi

exit 0
___________________________________
make it executable
and start it with:
ncat -l 1900 --keep-open --exec /home/user/sam0.sh