Configure The Firewall For The Isy - Universal Devices ISY-994i User Manual

If possible, disable as many of the following options as possible. This will help reduce the
time required to load a page.
var loadVar1Defs = 1; // Set to 1 if some integer variable names are used in a
custom table, or if using generic var table. Set to 0 for better performance.
var loadVar2Defs = 1; // Set to 1 if some state variable names are used in a
custom table, or if using generic var table. Set to 0 for better performance.
var loadVar1Data = 1; // Set to 1 to load integer variable data and run
UDFvarDataLoaded.
var loadVar2Data = 1; // Set to 1 to load state variable data and run
UDFvarDataLoaded.
var loadPgms = 1; // Set to 1 if some program names are used in a custom
table, or if using generic pgm table. Set to 0 for better performance. (Will not
run UDFpgmLoaded)
21.4.3.4.3Note on HAD edition
Please note that HAD has 2 editions. The first one is called the firmware edition, and as it's
name suggests, it is the one supplied in the ISY firmware. It comes with UDAjax and a
redirector which allows the user to switch between these 2 UI's. In that version, index.htm
is actually a redirector that points to had.htm, or udajax.htm, based on a cookie. The
developer edition, which is available for download, does not come with UDAjax and the
home page is index.htm.

21.5 Configure the Firewall for the ISY

21.5.1 Description
ISY framework is based on publish/subscribe and, therefore, for the Admin Console
subscribes to ISY's events and ISY publishes events, in real-time, to the Admin Console. This
process requires the computer on which the Admin Console is running to allow traffic from
known ISYs. Some firewall software might consider this a threat and thus stop ISY from
publishing events to the Admin Console. In such cases:
• Admin Console might consider ISY offline and thus prompt for credentials in
perpetuity
• Status updates are not published to the Admin Console in real-time
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