Openvas Webinterface Letsencrypt

Install

• apt-get install certbot
• systemctl stop greenbone-security-assistant

Get Certificate

• certbot certonly --standalone -d cain.txxn.de

Konfiguration

• vi /etc/systemd/system/greenbone-security-assistant.service

[Unit]
Description=Greenbone Security Assistant
Documentation=man:gsad(8) http://www.openvas.org/
Wants=openvas-manager.service

[Service]
Type=simple
PIDFile=/var/run/gsad.pid
ExecStart=/usr/sbin/gsad --foreground --listen=0.0.0.0 --port=9392 --mlisten=0.0.0.0 --mport=9390 --ssl-private-key=/etc/letsencrypt/live/cain.tuxmen.de/privkey.pem --ssl-certificate=/etc/letsencrypt/live/cain.tuxmen.de/cert.pem --allow-header-host "cain.tuxmen.de"

[Install]
WantedBy=multi-user.target

Renew Script

• cat /usr/local/sbin/cert-renew

#!/bin/bash
SERVICES="greenbone-security-assistant"
for SERVICE in $SERVICES
do
systemctl $1 $SERVICE
done

• chmod a+x /usr/local/sbin/cert-renew

Cronjob

• crontab -e

5 0 * * *	/usr/bin/certbot renew --quiet --pre-hook "/usr/local/sbin/cert-renew stop" --post-hook "/usr/local/sbin/cert-renew start"

Start greenbone-security-assistant

• systemctl start greenbone-security-assistant