Michael Lefevre wrote:My understanding is that this allows the PSM module to be used by other things than just Mozilla/Firebird. If PSM was coded into Mozilla/Firebird, then it would have to be coded into Mozilla Mail/Thunderbird separately. Also, every security instance would require a launching of the PSM code for that individual process. By having it launch as a process listening to a local port, then any instance of Firebird and Thunderbird can talk to that same process.Firebird (and Mozilla) communicate with the PSM (the module that handles encryption and such like) by using network ports in this way.
The only problem is that the devellopers reported some time ago, that each instance of Mozilla/Firebird has it's own PSM, which open the PSM data file separately, which is a problem when you run them concurently and there seemed to be no way to centralize the access to PSM inside only one process.
So there seems to be a contradiction here ...
Or maybe not. The first version of PSM, the one that was pluggable on Netscape 4.7 used such interapp communication. May be the opening of the network ports stays from this period, even if the functionnality is not used at all.
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