You aren't giving me enough space to ask my question, so it's posted in the "Details" section below.
In Preferences I turn "Accept Cookies" on & off as needed. I check "Show Cookies" after I've gone to sites that need them and then click "Remove All Cookies". Till now "Show Cookies" would show the sites. Now that page always remains blank. What's happening? I know I'm going to sites that will not open without cookies.
Thanks.
John
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This happens if you run Firefox in Private Browsing mode.
- Firefox > Preferences > Privacy > Firefox will: "Use custom settings for history"
- Deselect: [ ] "Always use private browsing mode"
If you run Firefox in PB mode then all cookies are session cookies anyway and nver stored to cookies.sqlite on the hard drive, so there is usually no need to remove them manually.
Current Firefox version have a setting to enable third-party cookies as session cookies.
You can set the Boolean pref network.cookie.thirdparty.sessionOnly to true on the about:config page.
I have been doing some more experimenting. I leave Privacy set at Custom Settings/Private Browsing Mode. When I know a site demands cookies I check "Accept cookies", but leave "Accept third-party cookies" unchecked. In the past at the end of a session when I've gone to "Show cookies" all cookies have been there - for example Facebook's. But recently that list is always empty. I've now checked to see what happens when I also check "Accept third-party cookies" Now things like the Facebook cookie are there when I click "Show cookies". So something seems to have changed. Now cookies only show when I also check "Accept third-party...". I'm just wondering if they are actually there but not visible when only "Accept cookies" is checked? Seems they must be, as I know Facebook will not connect without the ability to store a cookie.