This course follows this fine and very well-known book:
Linux firewalls by Michael Rash, publisher: No Starch Press
contactUnterrichteducationlanguagesconfiguration managementdatabaseseditors + IDEsLinux + sys. admin.LPI Linux CertificationEmbedded LinuxNagiosLinux Firewalls the web and authoringcloud computingtelecommunicationcareereconomy+societyproductsinvolvementsJochen Hayek