What to purge

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When the cache directory gets to the set size limit, WinGate can initiate a purge, deleting unwanted or less used files.

Qbik recommend reading the advanced Appendix topic on Logic and Caching. To explain how the Purging works we have to understand AND OR, and NOT and how they are used in the rules logic in WinGate.

AND: If things are AND’ed then they must all apply.

OR: If things are OR’ed then any may (but at least one must) apply

NOT: If a criterion is subjected to a NOT, then that criterion applies if it is NOT met

The logic in the Purging works like this, filters are OR’ed, criteria are AND’ed.

So if a cached file matches all the criteria of any of the filters then it will be purged. Otherwise it will be left alone.

You can think of these filters as a profile for a file that will be deleted. By adding filters, you are adding types of files that you want to purge. By adding criteria to a filter, you are further specifying the conditions under which this profile applies.

Note:

Negative rules (i.e. purging depending on something not being met) become complex. An entry may be denied in one filter, but allowed (either explicitly, or implicitly by not being denied) in another. If you want multiple filters, but disallow some specific criterion, make sure you include this disallowed criterion in each filter.