We have sharepoint 2013 portal which suddenly showing
might be temporarily down or it may have moved permanently to a new web address.
I checked from within the server and I was a able to access portal site(but not from outside). All was fine until yesterday.
After 3 to 4 hours few of us now able to access the site from outside. In chrome I get
load resource: net::ERR_INVALID_HANDLE
MCTS Sharepoint 2010, MCAD dotnet, MCPDEA, SharePoint Lead