Re: [Zenloadbalancer-support] Does ZENLB support URL rewriting on HTTP/HTTPS farms?

Jose Manuel Blanco Fri, 31 May 2013 03:17:44 -0700

Hi. I don't understand what you want to say (no se si por tener el inglés o por el "concepto" en si)... Anyway... I think the "REDIRECT" option doesn't have the meaning I've expected cause when I introduce some value, ZENLB FORCES me to indicate http or https, that is: the value begins with "http://" o "https://", so apparently requires a complete URL with the HOST component. In other words: it appears to function more as a redirection to one EXTERNAL service than a rewrite of the context part of the URL to be send to the backend servers of the defined service. An about the configuration...I paste the content of the PRUEBA_pound.cfg. Some notes: * Obviously I've "obfuscated" the IP address used * ZENLB "offloads" the backends of the SSL layer, so the backends don't use https but http * Expected behavior: When client access: https://SERVICE_PUBLIC_IP/PUBLIC_CONTEXT* ZENLB should send to one of the backend the URL: http://BACKEND/PRIVATE_CONTEXT* ###################################################################### ##GLOBAL OPTIONS User "root" Group "root" ## allow PUT and DELETE also (by default only GET, POST and HEAD)?: #ExtendedHTTP 0 ## Logging: (goes to syslog by default) ## 0 no logging ## 1 normal ## 2 extended ## 3 Apache-style (common log format) #LogFacility local5 LogLevel 0 ## check backend: Timeout 45 Alive 10 Client 30 Control "/tmp/PRUEBA_pound.socket" #HTTP(S) LISTENERS ListenHTTPS Err414 "/usr/local/zenloadbalancer/config/PRUEBA_Err414.html" Err500 "/usr/local/zenloadbalancer/config/PRUEBA_Err500.html" Err501 "/usr/local/zenloadbalancer/config/PRUEBA_Err501.html" Err503 "/usr/local/zenloadbalancer/config/PRUEBA_Err503.html" Address SERVICE_PUBLIC_IP Port 443 xHTTP 1 RewriteLocation 0 #Ciphers "TLSv1+SSLv3+HIGH:-MEDIUM:-LOW*:-ADH*" Cert "/usr/local/zenloadbalancer/config/MICERTIFICADO.pem" #ZWACL-INI Service "tramitador" #HeadRequire "Host: " Url "/PUBLIC_CONTEXT" Redirect "http://PRIVATE_CONTEXT" Session Type IP TTL 120 # #ID "sessionname"" End #BackEnd BackEnd Address BACKEND1_IP Port 8080 End BackEnd Address BACKEND2_IP Port 8080 End #End End #ZWACL-END #Service "PRUEBA" #HeadRequire "Host: " #Url "" #Redirect "" #Session #Type nothing #TTL 120 #ID "sessionname" #End #BackEnd #End #End End###################################################################### Regards.

Jose Manuel Blanco Cortiñas
Analista de Sistemas - Servicio de las Tecnologias de la Informacion y Comunicaciones (STIC)
Universidad de Valladolid
Edificio Alfonso VIII, C/Real de Burgos s/n. 47011, Valladolid - ESPAÑA
Telefono: 983 18-6410, Fax: 983 423271
E-mail: [email protected]

El 31/05/13 09:39, Emilio Campos escribió:

paste your configuration here

THe service order has to be from more to less restrictive, it is said , your redirect and url pattern should be first than the default conf

2013/5/31 Jose Manuel Blanco <[email protected]>

Hi. We are trying to define some balanced services with the following specifications: PUBLIC URL: https://example.es:443/public_context BACKEND SERVERS: http://ip.backend.1:8080 http://ip.backend.2:8080 URL REWRITING: public_context -> different/private/context Behaviour: When a client access the url: https://example/public_context ZENLB must 1) manage the SSL layer to free the backend servers of that task ---> OK 2) send the petition to one of the two backend servers ---> OK 3) rewrite the URL so the backend servers don't receive *****/public_context but *****/different/private/context ---> ????? Although tasks 1 and 2 are OK, apparently the last task don't. In the configuration I've used the service's options "URL PATTERN" and "REDIRECT", but they seem to not function as expected (at least the "REDIRECT" option). If ZENLB supports this...How can I configure it? If not...there is some plan to add ZENLB that feature? Regards.
--

Jose Manuel Blanco Cortiñas
Analista de Sistemas - Servicio de las Tecnologias de la Informacion y Comunicaciones (STIC)
Universidad de Valladolid
Edificio Alfonso VIII, C/Real de Burgos s/n. 47011, Valladolid - ESPAÑA
Telefono: 983 18-6410, Fax: 983 423271
E-mail: [email protected]

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Re: [Zenloadbalancer-support] Does ZENLB support URL rewriting on HTTP/HTTPS farms?

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