Mail Archives: cygwin/2007/06/04/12:10:39
On 2007-06-04 10:08Z, Nenad Antic (KI/EAB) wrote:
[...]
> Kerio
> used to be an excellent firewall. It is is even somewhat recommended in
> the Cygwin FAQ.
I don't do much with cygwin except compile C++ in a shell, so
YMMV--but I've used KPF for years, and it never caused me any
problem until last Friday, when I let it "upgrade" itself to
sunbelt (version 4.5.916, the latest).
I'm running ms windows xp on a five-year-old pentium 4, so the
sunbelt problems aren't specific to some new cpu.
> I contacted Sunbelt support
> (the new owners) and after some extra data gathering nothing happened.
> Since then I have updated the firewall twice, currently I have the
> latest release. I things have been worse than ever.
>
> Anyway, today I removed the Sunbelt Personal Firewall (as it's called
> now)
[...]
> My computer is snappy again!
Here are the data I gathered before reverting the "upgrade".
These are timings for one makefile target that does a lot of
text processing, mostly with 'sed', and should take about
one minute...but started taking seven:
With sunbelt personal firewall installed and enabled:
Elapsed time: 411478 milliseconds
With sunbelt personal firewall installed and disabled:
Elapsed time: 413927 milliseconds
With sunbelt personal firewall installed, but terminated:
Elapsed time: 390237 milliseconds exited
It's not enough to disable it temporarily, or even to terminate
all its processes--it has to be uninstalled.
Reverting to Kerio version 4.0.13 :
Elapsed time: 61417 milliseconds
Same setup for both firewalls. BTW, I've always disabled the
"system security" facility--the one that asks
is it ok for 'sh' to run 'sed'?
is it ok for 'sh' to run 'g++'?
which you can answer just once, and
is it ok for 'sh' to run the program you just built?
which you have to keep answering all the time AFAICT.
> Conclusion: It would seem that Sunbelt have majorly screwed up the old
> Kerio Personal Firewall. It does not seem fit to be used with Cygwin
> anymore. I even question its usefulness altogether because I suddenly
> lately have had a *lot* of minor strange things happening on my
> computer. It's too early to tell if they are completely gone now though.
My experience strongly supports your conclusion.
And this isn't even specific to cygwin. I saw similar results
running the same makefile in a native shell with all native
tools, with no part of cygwin on the path.
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