On Thu, Jan 16, 2020 at 1:10 AM Joe Zeff <joe(a)zeff.us
<mailto:joe@zeff.us>> wrote:
If they're using their phones at home and using your WiFi, filters on
the router will work.
And as noted, any home-based filters will fail if they can connect
their phones to some other wi-fi than yours. School networks are
probably filtered, but of course coffee shops and other public hot
spots likely are not.
At work, we used to use OpenDNS to keep porn off our network. Since we
received US Govt. funds, we were required by an Act of Congress to
take steps to keep porn off our network. Obviously no one can check to
ensure there is no porn on every network that receives funds, there
were a few "approved" methods to comply, and OpenDNS was one of them.
I think it's pretty effective in general, as they do a good job of
keeping their list of porn sites up to date. They also block phishing
sites (web sites that mimic real-world sites in an attempt to convince
you to give up the private info they are trying to get), which is (to
me at least) far more valuable than blocking porn.
We of course had an enterprise account, but you can use the service
for free as long as the number of queries you generate is small enough
(probably most home sites would qualify). You can go to
opendns.com
<
http://opendns.com> for more info.
+1 to ^^ they are great. I used it with all my kids (really trying to
avoid accidental exposure). You can also, on android phones, set a DNS
server that is queried instead of the ISP / cell provider DNS. I have
not experimented with this for content blocking but I have used it with
wanting to use say google's DNS rather than letting whatever wifi i am
track me. It can cause some problems with things like captive portals
but generally works pretty well.
langdon
--Greg W.
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