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Firefox - How to add exceptions to cookie purging on exit?



 
 
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  #16  
Old June 25th 19, 11:37 AM posted to alt.comp.os.windows-10
Howard
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Posts: 44
Default Firefox - How to add exceptions to cookie purging on exit?

On Mon, 24 Jun 2019 06:57:10 -0500, VanguardLH wrotG:

Howard wrote:

Go into Options/Privacy & Security/History/Exceptions to Accept
Cookies from Websites and add the sites you want to block accepting
cookies from.


That's just it: there is *no* Exceptions setting. How can I except some
cookies from the delete-on-exit options when there is no exception list?

Also, under menu - Options - Security & Privacy - Cookies and Site
Data - Manage Permissions, that is not a whitelist or exceptions list.
That is merely an enable list: what to do *if* a site wants to create a
cookie. It is not for deciding which cookies to /keep/, especially to
override the delete-on-exit settings that would get rid of cookies.

What version of Firefox are you using and under what OS?


Windows 10, Firefox 56.01 64 bit.
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  #17  
Old June 25th 19, 06:25 PM posted to alt.comp.os.windows-10
VanguardLH[_2_]
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Posts: 10,881
Default Firefox - How to add exceptions to cookie purging on exit?

Howard wrote:

VanguardLH wrote:

Howard wrote:

Go into Options/Privacy & Security/History/Exceptions to Accept
Cookies from Websites and add the sites you want to block
accepting cookies from.


That's just it: there is *no* Exceptions setting. How can I except
some cookies from the delete-on-exit options when there is no
exception list?

Also, under menu - Options - Security & Privacy - Cookies and
Site Data - Manage Permissions, that is not a whitelist or
exceptions list. That is merely an enable list: what to do *if* a
site wants to create a cookie. It is not for deciding which cookies
to /keep/, especially to override the delete-on-exit settings that
would get rid of cookies.


Looks like I was wrong, but it was based on Mozilla's wording when you
open the Manage Permissions dialog: "allow" is not the same as "keep".
This is the old Exceptions list you see in the old version of FF but
Mozilla has since renamed it to Manage Permissions. Some dev decided to
waste their time to rename what was properly named before.

In my other posts, I mention how other options will erase this
whitelist. To prevent erasing this whitelist, I would have to keep all
Site Preferences, but I'm only trying to keep specific cookies (which I
would prefer to do on a per-cookie basis but Mozilla changed that, so
users can now only keep cookies on an entire domain basis).

What version of Firefox are you using and under what OS?


Windows 10, Firefox 56.01 64 bit.


Yep, you'll notice in my starter post that I'm using a much later
version. You're not even past the Quantum release. You have chosen to
not update Firefox perhaps because you want to keep using legacy
extensions.

I haven't bothered to go through each release note for each update
(Firefox is not my primary web browser) since your old version, but
there have been many security updates since then. Since I didn't bother
to review all of them, I don't know which would be considered critical.
As you continue using the old version, it becomes progressively more
vulnerable. Malicious sources prefer users not to update.
  #18  
Old June 25th 19, 07:16 PM posted to alt.comp.os.windows-10
VanguardLH[_2_]
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Posts: 10,881
Default Firefox - How to add exceptions to cookie purging on exit?

Ralph Fox wrote:

VanguardLH wrote:

I go into menu - Settings - Privacy & Security - Cookies and Site
Data (yep, Mozilla has now merged management of both under the same
settings because they consider their users too stupid to understand
cookie management)


Site storage is, effectively, mega-sized cookies without the size limit of
traditional browser cookies.


DOM Storage does indeed allow much larger "cookies" to get stored
client-side; however, as I recall, although the size went up, storage is
still limited. Cookies are limited to 4096 bytes probably because they
were originally intended to bypass having to login again when you
revisited a site. To support most web browsers, a domain should not
create more than 50 cookie files, and their aggregate size should not
exceed 4096 bytes. In contrast, localStorage (permanent) and
sessionStorage (temporary per document) can consume up to 50 MB (total
for both) but with a max of 5MB/origin in Firefox and 10MB/origin in
Chrome and IE (https://en.wikipedia.org/wiki/Web_storage#Storage_size).
Rather than just for logins or very small data, DOM Storage allows for
much larger local storage of user data.

At one time, I had DOM Storage disabled in Firefox (dom.storage.enabled
in about:config). However, I hit too many sites that would not function
without it. For example, I do crossword puzzles, and many of those
sites would download the crossword data into DOM Storage to speed up the
response when playing that game. The page scripts could more quickly
get at the data in DOM Storage than have to query the server for the
same data. Those sites that rely on DOM Storage don't seem to bother to
check if it available (i.e., add some code for graceful recovery) and
fallback to getting the data from the server but which would be slower
and engender more on-demand network traffic which could make a game less
responsive (jerky, stuttered).

I have FF configured to delete-on-exit Offline Website Data (DOM
Storage). This does not affect the Manage Permissions whitelist; that
is, deleting DOM Storage still leaves the cookie whitelist (Manage
Permissions) intact.

Under the Cookies and Site Data section, the "Delete cookies and site
data on Firefox close" is excepted by the Manage Permissions whitelist
(which should've been kept named Exceptions). All non-excepted cookies
get deleted on exiting Firefox.

What took some testing was to find that under History/custom that
deleting cookies on exit would delete the cookies that were supposedly
whitelisted under Manage Permissions. I didn't expect a similar option
to not honor the whitelist that excepts another similar option. Under
History/custom, I had to disable deleting cookies on exit.

Then I found under History/custom for delete on exit, including Site
Preferences would wipe the Manage Permissions whitelist. So, then the
"Delete cookies and site data when Firefox closes" option under Cookies
and Site Data would delete the previously whitelisted cookies. Yes, I
could choose not to purge Site Preferences under History/custom on exit,
but that means keeping ALL site preferences for ALL sites. I want to
just keep a couple cookies, not all site preferences.

There is too much dependency or overstepping of the various options that
try to manage the same local data. In Firefox, I cannot accomplish
retention of just specific cookies (well, an entire domain's cookies
since Mozilla took away individual cookie management and now it is by
domain) unless I'm willing to keep all site preferences. No thanks.

Cookie management in Firefox is fragmented across multiple config
sections. Plus some cookie management options have disappeared, and
some have changed from per-cookie to per-domain management. Considering
the small marketplace for Firefox and that users must choose to install
Firefox (it's not bundled in the OS or with other software, it's not
pushed on users when visiting sites), I would expect the community of
users to be more proficient and expert at choosing, using, and
configuring Firefox -- and Mozilla would cater to that community, not to
the entire community of web surfers most of which don't use their
product. Instead it looks like Mozilla is dumbing down Firefox for the
entire community of web browsing (n\b)oobs.
  #19  
Old June 26th 19, 01:35 AM posted to alt.comp.os.windows-10
Mark Lloyd[_2_]
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Posts: 1,756
Default Firefox - How to add exceptions to cookie purging on exit?

On 6/25/19 12:25 PM, VanguardLH wrote:

[snip]

Yep, you'll notice in my starter post that I'm using a much later
version. You're not even past the Quantum release. You have chosen to
not update Firefox perhaps because you want to keep using legacy
extensions.


I'm using an extension called "Cookies Quick Manager"
(https://addons.mozilla.org/en-US/fir...quick-manager/)
that allows protecting individual cookies. Maybe that would help.

[snip]

--
Mark Lloyd
http://notstupid.us/

"Ignorance is the mother of devotion." -- Dean Henry Cole
 




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