GameKnot will often block such users until they pay for premium membership.

Users could block other users, or add them as friends.

In late May 2008, Lala.com blocked international users from accessing their already purchased content.

According to the developers, security is paramount including options to instantly block and report users, and to turn distance off.

Users are granted these rights and can also earn the right to block other users.

By blocking certain users, they defy transparency in media.

Users can block other users from being a member of their club.

These services generally block users outside of the UK.

You can also block specific users in the "options" menu.

Use allow/deny to block users by IP address or domain.