Correcting use of httpsPort instead of secure.port

CHANGELOG.md

@@ -11,6 +11,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Update traffic_portal dependencies to mitigate `npm audit` issues.
 - Fixed a cdn-in-a-box build issue when using `RHEL_VERSION=7`
 - [#6549](https://github.com/apache/trafficcontrol/issues/6549) Fixed internal server error while deleting a delivery service created from a DSR (Traafic Ops).
+- [#6538](https://github.com/apache/trafficcontrol/pull/6538) Fixed the incorrect use of secure.port on TrafficRouter and corrected to the httpsPort value from the TR server configuration.
 
 ### Removed
 - Remove traffic_portal dependencies to mitigate `npm audit` issues, specifically `grunt-concurrent`, `grunt-contrib-concat`, `grunt-contrib-cssmin`, `grunt-contrib-jsmin`, `grunt-contrib-uglify`, `grunt-contrib-htmlmin`, `grunt-newer`, and `grunt-wiredep`

traffic_router/core/src/main/java/org/apache/traffic_control/traffic_router/core/util/LanguidState.java

@@ -83,8 +83,8 @@ private void initPorts(final JsonNode routerJson) {
 			trafficRouterManager.setApiPort(apiPort);
 		}
 
-		if (routerJson.has("secure.port")) {
-			setSecurePort(routerJson.get("secure.port").asInt());
+		if (routerJson.hasNonNull("httpsPort")) {
+			setSecurePort(routerJson.get("httpsPort").asInt());
 		}
 
 		if (routerJson.has("secure.api.port")) {