Will very much appreciate if someone can help on it.

On Sun, May 12, 2019 at 5:33 PM shahzaib mushtaq <shahzaib.cb@gmail.com>
wrote:

> Hi,
>
> I am able to achieve this by writing the following rule which creates a
> new variable with domain mydomain-com.
>
> if ($host ~* "(\w+)[-.](\w+)") {
> set $host_new "$1-$2";
> }
>
> However, its not working for any subdomain like work.mydomain.com , i
> tried following configs to cover subdomains e.g work-mydomain-com but it
> didn't worked:
>
> if ($host ~* "(\w+)[-.](\w+)[-.](\w+)") {
> set $host_new "$1-$2-$3";
> }
>
> ======================================================
> Any clue where am i wrong?
>
> On Sun, May 12, 2019 at 3:01 PM shahzaib mushtaq <shahzaib.cb@gmail.com>
> wrote:
>
>> Hi,
>>
>> We've running nginx as reverse proxy for backend domain named "
>> mydomain.com". On proxy server we've setup vhost that covers domain and
>> all subdomains *.mydomain.com.
>>
>> What we need is that if user request to any subdomain like
>> work.mydomain.com, he should be proxied to single backend mydomain.com
>> but all underline links e.g css/js should be changed to *work-mydomain-com.newdomain.com
>> http://work-mydomain-com.newdomain.com* . If second user requests
>> nginx.mydomain.com, he should be proxied back to single backend *mydomain.com
>> http://mydomain.com* while underline links css/js should be changed to *nginx-mydomain-com.newdomain.com
>> http://nginx-mydomain-com.newdomain.com.*
>>
>> As you can see we want all dots in domain/subdomain to be changed to
>> hyphen (-).
>>
>> I am able to change css/js links using sub_filter to
>> work.mydomain.com.newdomain.com by making use of $host param but i am
>> struggling on changing it to hyphens.
>>
>> Please check this nginx config and advise on how to change hostname from
>> dots to hyphen in sub_filter e.g:
>>
>> mydomain.com ==> mydomain-com.newdomain.com
>> work.mydomain.com ==> work-mydomain-com.newdomain.com
>> nginx.mydomain.com ==> nginx-mydomain-com.newdomain.com
>>
>> ====================================================
>>
>> upstream server {
>> server 10.10.10.10:443;
>>
>> }
>> server {
>> listen 80;
>> listen 443 ssl http2;
>> ssl_certificate /etc/ssl/certs/mydomain/mydomain.crt;
>> ssl_certificate_key /etc/ssl/certs/mydomain/privkey1.pem;
>> ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
>> ssl_ciphers
>> 'ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4';
>> ssl_prefer_server_ciphers on;
>> server_name mydomain.com *.mydomain.com;
>>
>>
>>
>> location / {
>>
>> proxy_set_header Accept-Encoding "";
>> #subs_filter_types text/css text/xml text/css;
>> sub_filter "https://mydomain.com" "https://$host.newdomain.com";
>>
>> sub_filter_once off;
>> proxy_pass https://server;
>> proxy_set_header HOST mydomain.com;
>> }
>> }
>>
>>
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