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DNAT to multiple Hosts but with the same port

hi!

Is it possible with Astaro to DNAT different Target-Domain-Names (1 IP) to different LAN-Hosts? i.e. I have a domain called example.com.

now I'd like to DNAT:
one.example.com:80 to LAN-Host A
two.example.com:80 to LAN-Host B
three.example.com:80 to LAN-Host C
.....

is this situation possible??

thanks a lot
XandY

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0 drees over 17 years ago

No, that's not possible, Astaro does not have a reverse proxy which is needed for this type of setup.

Look into the following: Squid reverse proxy, HAProxy, Pound.

Otherwise you'll have to look into a hardware load balancer like the ones from loadbalancer.org.

Now, if Astaro could integrate something like HAProxy into Astaro, that would really be awesome and could offer most of the features that a hardware loadbalancer offers at a fraction of the cost.
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0 xandy over 17 years ago in reply to drees

hi!

How can I relaize a HTTPS-Reverse Proxy?
I know about apache's reverse proxy, but I think it cannot handle multiple https-reverse-hosts....

thx
XandY
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0 BarryG over 17 years ago in reply to xandy

A proxy can handle multiple HTTPS hosts IF it is doing the SSL itself.

Barry
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0 drees over 17 years ago in reply to BarryG

And don't forget, you always need a dedicated IP address for every SSL host. You can not "Virtual Host" SSL websites.
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0 xandy over 17 years ago in reply to drees

Hi!

And this is exactly what I do not have :-(

I just got one dynamic IP Adress (DSL). So there's no possibility to get multpile SSL-Hosts (all :443) running behind this single IP with multpile DNS-Names...???

Annoying...[:S]
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0 xandy over 17 years ago in reply to drees

Hi!

And this is exactly what I do not have :-(

I just got one dynamic IP Adress (DSL). So there's no possibility to get multpile SSL-Hosts (all :443) running behind this single IP with multpile DNS-Names...???

Annoying...[:S]
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0 drees over 17 years ago in reply to xandy

I just got one dynamic IP Adress (DSL). So there's no possibility to get multpile SSL-Hosts (all :443) running behind this single IP with multpile DNS-Names...???

Absolute none - EXCEPT if they are all subdomains of a common domain and you have a wildcard SSL certificate.
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0 xandy over 17 years ago in reply to drees

Yes, I got several Subdomains...

i.e.:
root-Domain: domain.gotdns.com
sub-domain A: a.domain.gotdns.com
sub-domain B: b.domain.gotdns.com

Is it possible with apache?

I got already http-vhosts (:80) realized with apache...

Big THX!!!
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0 drees over 17 years ago in reply to xandy

I haven't actually tried it myself, but you may be able to get it to work with a wildcard SSL certificate.

You could test it with a normal certificate and see if you get sent to the proper site, just note that you will get certificate domain name mismatch errors.
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