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help with replacing chars "_" to "." in a $variable

January 13, 2012 08:44AM
I would appreciate your help

I have to do the following request


Where .domain.com must be deleted and subdomain_domain_extension_tdl must be converted to subdomain.domain.extension.tdl

I did this:

set $subdomain "";

if ($host ~* "^(.+)\.domain\.com$") {
set $subdomain $1;

proxy_pass http://$subdomain;
proxy_set_header X-Real-IP $remote_addr;

Then i get $subdomain as: subdomain_domain_extension_tdl but i need to transform it into subdomain.domain.extension.tdl

Could you please help me determining how could i do this? i would like to serve as proxy in this way:

If you want to get inside any blocked website like www.facebook.com be able to do it throug www_facebook_com.domain.com

Also i know that perhaps sometimes subdomain_domain_extension_tdl could be domain_extension_tdl,

Thanks in advance!
Subject Author Posted

help with replacing chars "_" to "." in a $variable

andres-m77 January 13, 2012 08:44AM

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