Add dehydrated/letsencrypt.sh to pfSense

gistfile1.txt

# Login
ssh root@pfsense

# Install tools
pkg install -y bash git

cd /usr/local
/usr/local/bin/git clone https://github.com/lukas2511/dehydrated.git

# Configure dehydrated/letsencrypt.sh
cd dehydrated
cp docs/examples/config .
cp docs/examples/domains.txt .

# if your hostname is not set to public resolution, add it by hand.
hostname > domains.txt

# Define wellknown location
echo "WELLKNOWN=/usr/local/www/.well-known/acme-challenge" >> config
mkdir -p /usr/local/www/.well-known/acme-challenge

# Get SSL
./dehydrated -c

# Extract