-2
votes
2answers
100 views

Why do home internet users cant communicate with their peers? [closed]

As a home internet users, why does my ISP block my communication with any other client on the same subnet as mine? It is done for security obviously, but what is the risk? Update: as clarified by ...
3
votes
1answer
535 views

IP address filtering vs web application security

We have a web application behind a firewall that requires no user authentication. If we open up access to this application via the firewall to a small list of IP addresses what is the risk of ...