It's the http server
http server cannot be accessed:
- if Cobra / Mamba is disabled
- if boot_plugins.txt was deleted
- if you entered to Recovery Menu, which deletes boot_plugin.txt
- On HEN, if you have an empty boot_plugin.txt in root directory of USB device
- if the plugin crashed due a memory fault. e.g. if you are using an old version of webMAN on FW 4.90
- Hardware issues that prevent the plugin to create network socket to listen port 80