A heavyweight solutions: only MOOC web page can't open (can normal Internet access), test the DNS may be unavailable, manually set up a new DNS server address is good (before is automatically assigned, computer connect wifi), mobile phone could not get connected wi-fi MOOC website (MOOC couldn't display the content in the APP), use the traffic can be opened,
Night before use in the CMD "Telnet 80 www.icourse163.org" command, www.icourse163.org is MOOC website domain name, after the command to use single night can normal visit MOOC website, just can't get into this morning,
Just recently on the MOOC computer network video, want to know what is the inside of the specific logic, found a ring only solve tutorial on the Internet, but didn't explain the principle, was curious about the principle,
Thank you hope to glad, bosses,