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RE: LVS problem with SSLProxy

To: "'LinuxVirtualServer.org users mailing list.'" <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: RE: LVS problem with SSLProxy
From: "Longhua Li" <zyllh@xxxxxxxxxxxx>
Date: Fri, 14 Oct 2005 10:39:36 -0600
I posted another question "load balance on load balancer" in the group. 
And Joseph Mack NA3T gave me this link 
http://www.austintek.com/LVS/LVS-HOWTO/mini-HOWTO/LVS-mini-HOWTO.html#gotcha
s
Locally generated requests are not processed by load balancer. 

-----Original Message-----
From: lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx
[mailto:lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Mark
Sent: Friday, October 14, 2005 10:30 AM
To: 'LinuxVirtualServer.org users mailing list.'
Subject: RE: LVS problem with SSLProxy

Yeah, that's what I was afraid of - that the load balancer only picks up
external traffic coming over one of the real eth's...
I had some indications of that when I set up my system, but didn't look
further into how to fix that because I didn't need to (yet).
I guess the reason is that the machine figures out that it owns both IP
addresses and therefore uses the LO local loopback interface
rather than then real NICs. What happens when you loadbalance 127.0.0.1 as
well?
Otherwise, try switching them around - load balancer first, then SSLProxy.
Maybe that works...

MARK


> -----Original Message-----
> From: lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx 
> [mailto:lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx] On Behalf 
> Of Longhua Li
> Sent: Friday, October 14, 2005 8:04 AM
> To: 'LinuxVirtualServer.org users mailing list.'
> Subject: RE: LVS problem with SSLProxy
> 
> 
> I use lynx. 
> lynx http://192.168.0.233 or 234 are just working fine. I got 
> the test page. Everything looks normal. Only if I lynx <vip> 
> on load balancer machine, I only gets the load balancer's 
> test page, meaning it is not load balanced. Don't know why. 
> Maybe the load balancer is not supposed to process local 
> generated requests. 
> You see, if I put sslproxy and load balancer on different 
> machine, the sslproxy works just fine and I got load balanced 
> pages too. But the problem is if I put them together on one 
> machine, it gets problem. 
> Theoretically, the first setup should be correct, because 
> sslproxy is supposed to switch the port from 443 to 80. Only 
> if the load balancer intercepts the packets first. Any idea?
> 
> Thanks again
> 
> Longhua
> 
> -----Original Message-----
> From: lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx
> [mailto:lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Mark
> Sent: Wednesday, October 12, 2005 4:48 PM
> To: 'LinuxVirtualServer.org users mailing list.'
> Subject: RE: LVS problem with SSLProxy
> 
> Your first setup seems correct to me.
> Do you have lynx or curl or some other text-based web-browser 
> on the loadbalancer machine? What do you get when you load 
> http://192.168.0.233/index.html into that browser (e.g. "lynx 
> http://192.168.0.233";)? You can also just "telnet 
> 192.168.0.233 80" and enter: GET /index.html<ENTER><ENTER>
> 
> The response needs to have the string "Test Page" somewhere 
> in the HTML source.
> 
> What do you see in the ldirectord log files? It should say 
> something like:
>       Deleted fallback server: 127.0.0.1:80
>       Added real server: 192.168.0.233:80
> 
> MARK
> 
> 
> 
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