Instead of random request, you can check the checksum of:
http://start.ubuntu.com/connectivity-check.html
Which is highly available connectivity check hosted for installer purposes currently and is used by ubiquity.
Instead of random request, you can check the checksum of:
http:// start.ubuntu. com/connectivit y-check. html
Which is highly available connectivity check hosted for installer purposes currently and is used by ubiquity.