Texas State Law requires a paid subscription interactive computer service provider to place a link to filtering software conspicuously on the first accessible web page of the service provider. Internet service providers and not required to provide any support for filtering software nor are they responsible for its effectiveness.
Wiki TM “List of content-control software”
2009 Internet Software Product Comparisons
Google TM search results for “filtering software”
SkyWave Broadband Internet, LLC www.skywave-tx.com