Re: Open SSL via dyndns.org

2009-04-15 Thread Steffen DETTMER
* tobias.sem...@diemer-ing.de wrote on Tue, Apr 14, 2009 at 15:04 +0200:
 Is there a chance to create a certification on the intern server called by 
 the extern https://name.dyndns.org adress ?

It depends on the software you are using and on the setup...
If you use some non-routable IP for your LAN (internally SRV02)
and another IP on this server for the dyndns.org name, I think
this should be possible. With Apache, you could create two
instances based on IPs. One instance could be bound to the
internal IP using the SRV02 certificate, another default one
with the other certificate.

Of course it is possible to use name.dyndns.org also internally
(for instance, by adding this to the internal DNS pointing to the
 internal IP, which usually has restrictions and limitations).

oki,

Steffen









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Open SSL via dyndns.org

2009-04-14 Thread Tobias . Semmet
Hi,

we tried to create a ssl certification via openssl. Our problem is that we 
have in intern server called SVR02. This server could be reached via 
name.dyndns.org:443. If we create a certification with the CO SVR02 the 
server accept this and install the certification. But if we try it from 
www the reaction is that there is a non-trusting certification course we 
called by name.dyndns.org. If we change the CO to name.dyndns.org the 
certification is non-trusting by the server at all.

Is there a chance to create a certification on the intern server called by 
the extern https://name.dyndns.org adress ?

Greetings
Tobias Semmet

RE: Open SSL via dyndns.org

2009-04-14 Thread David Schwartz

 we tried to create a ssl certification via openssl.
 Our problem is that we have in intern server called SVR02. This server
 could be reached via name.dyndns.org:443. If we create a certification
 with the CO SVR02 the server accept this and install the certification.
 But if we try it from www the reaction is that there is a non-trusting
 certification course we called by name.dyndns.org. If we change the CO
 to name.dyndns.org the certification is non-trusting by the server at all.

 Is there a chance to create a certification on the intern server called
 by the extern https://name.dyndns.org adress ?

 Tobias Semmet

You have a lot of choices, but no particularly good ones. In my opinion,
your best option is to register your own domain name, CNAME it to your
dyndns.org address, and obtain your own certificate in the name of your own
domain.

You could also ask the dyndns provider if they offer certificates. Since
they own the name (as far as the certification authorities are concerned),
they'd have to work with the CA to obtain the certificate. You can't do it
because you can't prove to the CA that you own the host name you are using.

Other options include creating your own certificate not issued by a CA and
having people add an exception or providing them your own CA cert to install
by other means. These are more difficult to get right and still keep the
same level of security, so I don't recommend them.

DS




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