Each iteration of updates to Java JRE consistently adds at least one new security tweak. The latest Java 8 causes a prompt when launching Ignition clients and Designer. (via JNLP files)
The latest prompt:
“The application has requested permission to establish connections to . Do you want to allow this?”
A manual tweak to the jnlp file allows this to be bypassed by commenting out the following “href” attribute:
Is this something that can be included in the next Ignition release?