Secunia Security Advisory – Astaro has issued an update for IPsec. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/79062/sa35740.txt
Source: https://packetstormsecurity.com/files/79062/Secunia-Security-Advisory-35740.html