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Re: Mail server slowdown
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Re: Mail server slowdown



At 10:14 AM -0400 8/28/05, David Muszynski wrote:
Content-Type: multipart/signed; micalg=sha1; boundary=Apple-Mail-2-902372155;
	protocol="application/pkcs7-signature"


On Aug 27, 2005, at 11:00 PM, Dan Shoop wrote:

At 6:13 PM -0400 8/27/05, David Muszynski wrote:


Okay, so I've been trying to get a cert signed by a CA I made according the the article found here.
http://www.afp548.com/article.php?story=20050813004038282



This article describes how to use SELF SIGNED certificates, that is be your own CA. If you're using your cert signed by a publicly trusted CA then this is plainly the wrong way to go about it.


You say say you've been trying to get a certificate signed, but you're vague as to whether the cert or the CA is what you've "made". (It could be both.)

Sorry, thought I was being clear, since the article is for making your own CA and then signing your own certs with it I thought you'd understand that this is the process I'm trying to accomplish.

I've seen ppl try to do some rather silly things...

Like trying to use two SSL certs on the same IP:Port, for instance ;)

Anyway, I've created my own CA and then I created a cert with it and successfully imported it into SA to SSLify one of my websites. I followed the same procedure with another cert and SA will not let me import it. I don't know what the problem is since I'm doing the exact same thing.

Well, there obviously have to be differences, it's a different cert and needs to be using different IPs or ports or something in order for SSL to work, so perhaps you might consider describing these differences and your procedure for implementing this.


For instance, since the SSL operations you're doing are at the socket level, how have you separated the two "sites" and their certs during a connect??? How do you differentiate between which you should be using?

Now it's taking a very long time, like 3-4 minutes to send a mail out.


Have you tried watching this using tcpdump, et al? Where's the hangup?


I definitely should have been more specific here, I apologize. The hangup is with my client connecting to my host in the first place. It takes many minutes to make the connection. Once it gets to the server it goes out immediately.

Again, what does sniffing show? I'll suspect it's not 'taking minutes to connect' but NOT connecting and timing out and falling back to something else. But hey, we're not mind readers and that's why getting actual facts is required.


Okay. Anyway, I think I figured out the problem. In adding and deleting the cert for my mail server several times while trying to get my CA signed cert imported, the use cert foo popup in the mail admin got confused and went to 'Custom configuration'. Once I made another cert with SA and put it in the pop up it seems to be connecting quickly again.

That just leaves the question of why won't SA take anymore certs from my CA besides the one.

Ah... Because that's how SSL works?

It occurs in the SESSION, and when you connect you can't identify which cert you need to use because that info is encrypted.

So I ask again, since you MUST be doing something different between using the two certs, what is it that you're doing? How are you differentiating the two for the connection?
--


-dhan

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Dan Shoop                                                   AIM: iWiring
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References: 
 >Mail server slowdown (From: David Muszynski <email@hidden>)
 >Re: Mail server slowdown (From: Dan Shoop <email@hidden>)
 >Re: Mail server slowdown (From: David Muszynski <email@hidden>)



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