Does rspirep work with tcp? Does it not need to be using HTTP mode?

David


On May 29, 2013, at 4:28 PM, [email protected] wrote:

> Hi Cyril ,
> 
> Sorry for the brevity .
> 
> Haproxy IP = 172.17.25.100 ( fiction IP for clarity)
> Application server hostname = openamHost
> Application server IP = 172.17.25.101
> Url for ssl offload access https://192.168.0.1/sso/Login
> 
> Configured haproxy to ssl offload a tomcat based application running on port 
> 8080 (OpenAm specifically).
> 
> SSL offload happens , traffic is sent to port 8080 but the application sends 
> a redirect URL in return as the following 
> 
> Problematic URL : http://172.17.25.99:80/sso/Login 
> 
> 
> I used the following directive in the frontend of the haproxy configuration
> 
> 
> rspirep ^Location:\ http://(.*):80(.*)  Location:\ 
> http://172.17.25.100:8080\2 if { ssl_fc }
> 
> 
> Generic problem : Haproxy would capture i assumed the problematic URL and 
> replace it with whatever happens to be "my custom URL"?
> 
> 
>  Specific requirement: The application is wrongly sending the redirect URL , 
> I would ideally want to capture any HTTP url and convert into    
> HTTPS so that haproxy can again re-route it to port 8080 after decryption 
> each time.
> 
> Finally my simple requirement is to be able to control rewriting URLs at 
> haproxy .
> 
> 
> haproxy.cfg
> 
> frontend  secured *:443
>    mode  tcp
>    SSL CERT BLAH BLAH
>    
> rspirep ^Location:\ http://(.*):80(.*)  Location:\ 
> http://172.17.25.100:8080\2 if { ssl_fc }
> 
>  default_backend      app
> 
> #---------------------------------------------------------------------
> # round robin balancing between the various backends
> #---------------------------------------------------------------------
> backend app
>     mode  tcp
>     balance roundrobin
>     server  app1 172.17.25.101:8080 check
> 
> 
> Hope i haven't complicated the problem this time :-)
> 
> 
> Regards
> Syed 
> 
> 
> 
> 
> 
> 
> From: Cyril Bonté <[email protected]>
> Sent: Thu, 30 May 2013 01:15:45 
> To: "[email protected]" <[email protected]>
> Cc: "[email protected]" <[email protected]>
> Subject: Re: Haproxy issues with rspirep
> Hi Syed,
> 
> Le 29/05/2013 21:12, [email protected] a æcopy;crit :
> > Hello,
> >
> > rspirep ^Location:\ http://(.*):80(.*) Location:\ https://\1:443\2 if { 
> > ssl_fc }
> >
> > The above works but the following doesn't (Location URL is unchanged ) why ?
> >
> > rspirep ^Location:\ http://(.*):80(.*)  Location:\ 
> > http://172.17.25.100:8080\2 if { ssl_fc }
> 
> There's a lack of details. One configuration line is not enough to 
> understand what you want to achieve. It will be hard to help you.
> 
> Can you explain your needs and provide your whole configuration (please 
> remove any sensitive data, such as passwords, IPs, ...) ?
> 
> Are you sure you really want the "ssl_fc" condition here ?
> 
> >
> >
> > Reference :
> > http://blog.exceliance.fr/2013/02/26/ssl-offloading-impact-on-web-applications/
> >
> >
> > Regards
> > Syed
> 
> 
> -- 
> Cyril Bontæcopy;

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