[stunnel-users] stunnel 5.20 released
Michal Trojnara
Michal.Trojnara at mirt.net
Wed Jul 15 16:47:10 CEST 2015
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On 15.07.2015 16:35, Philippe Anctil wrote:
> Yes I compile with fork.
>
> We have been using that for a very long time. In the 7-8 years
> range if not a few years more. In the past we decided to use fork
> to sidestep leaks. We process astronomical numbers of transactions
> each year on a 24/7 basis and never had any problems.
>
> Can you expand a bit on why it is a bad idea?
A few reasons out of the top of my head:
1. Posix/windows threads are required for session cache, which is a
major performance improvement. With fork, stunnel needs to negotiate
a new TLS session on each TCP connection with the same peer.
2. Posix/windows threads are required for DH parameter regenerations.
3. Fork not the default compilation option and it doesn't get nearly
as much testing as posix/windows threads.
Mike
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