For the paranoid, the pornsurfer, as well as anyone with a not-undue concern about online tracking, it is useful to be able to automatically delete all cookies when quitting one’s browser.
For most of the history of Safari, although the browser did not provide a way of erasing all cookies at shutdown, the facility could be emulated by setting one’s ~/Library » Cookies » cookies.plist file to “read only” (see this hint). Since cookies are stored in memory until the browser shuts down, the result was a perfectly normal browser session with no cookies carried to the next session.
This ability went away with 10.5, as a read-only cookie file caused random issues at most sites requiring a login cookie. There was no option but to reset the cookie.plist file to read/write, and delete them by hand every now and then.
The problem has been resolved in 10.5.6, but the tec…
