Further tests show that I can't reliably reproduce a given behavior:
Details follow;
connect https://192.168.0.1/ Works
connect http://192.168.0.1/ Works
connect http://192.168.0.1:8181/ WORKS --> Even though its disabled in Router??
connect https://192.168.0.1:4433/ NOT WORK
Set HTTP port to : 8282
Set HTTPS port to: 4141
Saved settings and rebooted
1) On PC: Cable connected, Wifi off
https://192.168.0.1:4141 --> Worked. Firefox asked for certificate authentication and then proper webpage showed
http://192.168.0.1:8282 --> Worked
2) On ipad: wifi to 5Ghz dlink_white5 connection:
http://192.168.0.1:8282 --> Worked with Safari
https://192.168.0.1:4141 --> Worked with Safari, after it asked to confirm the identity of machine
3) On PC, disconnected cable, enabled Wifi link to router
https://192.168.0.1:4141/ ---> Worked
Download tests through browser
-------------------------------
1) through PC,
with IExplore,
connected to Shareport
a) using https://xxx:4141 can browse files but --> canNOT download files
b) using http://xxx:8282 can browse files and --> CAN download files
with Firefox,
connected to Shareport
a) using https://xxx:4141 can browse files but --> CAN download files
b) using http://xxx:8282 can browse files and --> CAN download files
2) Through Ipad, Safara, with https connection --> can download
Disabling insecure HTTP and tests:
---------------------------------------
- Logged in as admin, and disabled port HTTP://8282 for File sever, rebooted router
- tested through wifi: HTTP://192.168.0.1 -->
through PC: can connect (as expected)
through Ipad: can connect (as expected)
- tested through wifi: HTTP://8282
through PC:--> cannot connect (as expected)
- tested through wifi: HTTPS://4141
though PC --> cannot connect (NOT AS EXPECTED)
through IPAD --> cannot connect (NOT AS EXPECTED)
Renabled non-secure HTTP and testing:
-----------------------------------------
- Logged in as admin, and ENABLED port HTTP://8282 for File sever, rebooted router
- tested through wifi: HTTP://192.168.0.1 -->
through PC Browser : can
through Ipad Browser : can
- tested with Shareport app:
through PC: works
through Ipad: fails
- tested through wifi: HTTP://8282
through PC Browser : cannot (NOT AS EXPECTED)
through Ipad Browser : cannot (NOT AS EXPECTED)
- tested through wifi: HTTPS://4141
through PC Browser : cannot (NOT AS EXPECTED)
through Ipad Browser : cannot (NOT AS EXPECTED)