Please keep in mind that enduser support is provided for exceptional cases only.
Please fill in this support form as complete as possible. You'll make our job easier if you include the error messages that you're getting as well as problem-related logfiles.
*Required information.
How can we get in touch with you?
Device information (see menu "My Account > Contact" in administration interface)
Optional attachments like logfiles (1 MB max. in total)


DEFENDO forces a collection of best-of-breed security modules like firewall, VPN, proxies, virus scanner and anti spam system to interact for one purpose:
To be protected from all online threats and unwanted contents like malicious code, spam and hacker attacks.


Each IT scenario is different. The DEFENDO product family will adapt precisely to your demands.
DEFENDO applies for simple Internet connections of small companies, for headquarters / branch office WANs, as well as for complex multi-tiered firewall systems.

More good reasons

  • No backdoors
  • More than 20 years of Internet security experience
  • Award-winning product
  • Support by our development engineers
  • Reseller loyalty
  • Made in Germany