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View Full Version : FF Disable Prefetching - who's right ?


CloneRanger
November 3rd, 2010, 07:33 PM
There appear to be some discrepancies, which i'd like to iron out one way or the other.

-{ Quote: "How to Disable Prefetching

To turn DNS prefetching off, type about:config in your address bar and change the value of network.dns.disablePrefetch to true. If you don't see this item, then you should create it.

https://www.requestpolicy.com/help/prefetch.html" }-

But here it says

-{ Quote: "disable dns prefetch of unvisited sites

* network.dns.disablePrefetch false (default true)
* network.dns.disablePrefetchFromHTTPS false (default true)

https://calomel.org/firefox_ssl_validation.html" }-

Which settings are actually correct ?

TIA

ABee
November 3rd, 2010, 08:31 PM
I think the Colomel site has those backwards.

Looks like what they're saying at the link is that any 'about:config' values you haven't already changed or made yourself, and that fall under Colomel's purview, will be changed/made by their add-on.

The values are to 'disable network DNS prefetching', so 'true' = 'disabled'.

I don't believe either of those values exist in Firefox's default 'about:config' list, btw.

CloneRanger
November 3rd, 2010, 11:58 PM
-{ Quote: "Originally Posted by ABee

I think the Colomel site has those backwards." }-

Yes that's what i thought, but wasn't sure ;)

-{ Quote: "I don't believe either of those values exist in Firefox's default 'about:config' list, btw." }-

I think at least one might be put in by the RequestPolicy Add On ?

Thanks :)

BoerenkoolMetWorst
November 4th, 2010, 02:31 AM
The only entry I have in about:config with prefetch in it's name is this one:
network.prefetch-next

ABee
November 4th, 2010, 01:16 PM
-{ Quote: "I think at least one might be put in by the RequestPolicy Add On ?" }-Maybe so. I don't use that add-on, nor the Calomel one.

Legitimate values that are not default values can still be added by the user manually.
It appears Calomel will create some of those values itself and set the parameters as it deems appropriate-- those you referenced apparently being two of them.

CloneRanger
November 4th, 2010, 02:23 PM
-{ Quote: "Originally Posted by BoerenkoolMetWorst

The only entry I have in about:config with prefetch in it's name is this one:
network.prefetch-next" }-

OK thanks :)

-{ Quote: "Originally Posted by ABee

Maybe so. I don't use that add-on, nor the Calomel one." }-

OK

-{ Quote: "Legitimate values that are not default values can still be added by the user manually." }-

Indeed :thumb:

-{ Quote: "It appears Calomel will create some of those values itself and set the parameters as it deems appropriate-- those you referenced apparently being two of them" }-

I believe they are Thanks :)