diff --git a/data/variables.py b/data/variables.py
index 99705c2..9c0e773 100644
--- a/data/variables.py
+++ b/data/variables.py
@@ -1,3 +1,30 @@
+import os
+
+'''
+  QEMU HTTPS variable:
+
+  By default lib/resource.txt AUTH URI construct is as
+  ${AUTH_URI}   https://${OPENBMC_HOST}${AUTH_SUFFIX}
+  ${AUTH_SUFFIX} is populated here by default EMPTY else
+  the port from the OS environment
+'''
+def get_port_https():
+    # defaulted to empty string
+    l_suffix = ''
+    try:
+        l_https_port = os.getenv('HTTPS_PORT')
+        if l_https_port:
+           l_suffix = ':' + l_https_port
+    except:
+        print "Environment variable HTTPS_PORT not set,using default HTTPS port"
+    return l_suffix
+
+AUTH_SUFFIX={
+    "https_port":[get_port_https()],
+}
+
+# Update the ':Port number' to this variable
+AUTH_SUFFIX = AUTH_SUFFIX['https_port'][0]
 
 # Here contains a list of valid Properties bases on fru_type after a boot.
 INVENTORY_ITEMS={
diff --git a/lib/resource.txt b/lib/resource.txt
index ecfea7a..37c3234 100755
--- a/lib/resource.txt
+++ b/lib/resource.txt
@@ -9,7 +9,8 @@
 ${OPENBMC_HOST}    9.3.164.161
 ${DBUS_PREFIX}    ${EMPTY}
 ${PORT}           ${EMPTY}
-${AUTH_URI}       https://${OPENBMC_HOST}
+# AUTH_SUFFIX here is derived from variables.py
+${AUTH_URI}       https://${OPENBMC_HOST}${AUTH_SUFFIX}
 ${OPENBMC_USERNAME}    root
 ${OPENBMC_PASSWORD}    0penBmc
 ${MACHINE_TYPE}    palmetto