Maxisun derrière une box 4G

# Copy the url of the active ngrok connection to the clipboard -> https://gist.github.com/varenc/6addfa03b03b318fe32612f67027bb1c  
#!/usr/bin/env bash
# Copy the url of the active ngrok connection to the clipboard.  Updated for latest ngrok (Oct 2019)
#
# Usage:
#   ngrok-copy     # copies e.g. https://3cd67858.ngrok.io to clipboard.
# Modified from the original script at https://gist.github.com/mlsteele/f57adc1fab5c44656d6d
# Modified by lebritish to make file and send it to web page

sleep 20

if [[ "$1" == "-u" ]]; then
    NGROK_URL=`curl -s http://127.0.0.1:4040/api/tunnels | grep "http://\w*.ngrok.io"  -oh`
else
    NGROK_URL=`curl -s http://127.0.0.1:4040/api/tunnels | grep "https://\w*.ngrok.io"  -oh`
fi

if [[ $NGROK_URL != *"http"* ]]; then
    echo "No url found. Is ngrok running?"
    exit 1
fi

if [ "$(uname)" == "Darwin" ]; then
    # OSX
    echo $NGROK_URL | pbcopy
else
    # Linux
    echo $NGROK_URL | xclip -selection clipboard
fi
echo "Copied to clipboard: $NGROK_URL"
#echo "$NGROK_URL" > index.html
echo "<a href="$NGROK_URL">MON_MAXISUN</a>" > index.html

#send the file index.html with link to MAXISUN to page perso free
curl -u monsiteperso:motdepasse -T index.html ftp://ftpperso.free.fr

# grabs the PID for the current running ngrok
ngrok_pid=$(pgrep ngrok)
echo "Current ngrok PID = ${ngrok_pid}"

# kills ngrok
kill_ngrok_pid=$(kill -9 $ngrok_pid)

# get exit status code for last command
check=$?

# check if the exit status returned success
#if [ $check -eq 0 ]; then
    # re-start ngrok
    $(/home/pi/ngrok http 192.168.8.105:80 &)
    # do more checks below...
#else
#    echo "NO ngrok PID found"
#fi

Too Many Connections

Too many connections! The tunnel session '1WQdCXfv7GExaPsDi66xPe5agi1' has violated the rate-limit policy of 20 connections per minute by initiating 23 connections in the last 60 seconds. Please decrease your inbound connection volume or upgrade to a paid plan for additional capacity.

The error encountered was: ERR_NGROK_702