ZI-KNOCK - User Guide User quick guide Introduction From user account, there are to types of possible actions: set zimlet preferences: ports and IP activating configured port knocking action Configuration Configuration of the ZI-Knock zimlet can be evoked by double click on the ZI-Knock zimlet. After that the configuration window will be opened: In this window user can set ports and IP. This parameters must be the same as those in the /etc/knockd.conf on proxy server. Changes of the ZI-Knock zimlet parameters require mailbox restart. Zimlet usage To initiate port knocking sequence, user must click once on the ZI-Knock zimlet icon on the web panel of the ZCS Zimbra Web client. After this a  dialog window will appeare. After the knocking seqeunce will be finished, user will be able to select "Go to the admin panel" button.