This webpage has a redirect loop (ERR_TOO_MANY_REDIRECTS)

Hi,

My set up is as below:

NGINX (reverse proxy) IBM WebSeal (redirects to a common login page,
after
authentication forwards to internal proxy along with the redirected url)

Internal Proxy (IBM http Server)  WebSphere Portal.

I am trying to access
https://<host_name>/wps/seedlist/myserver?Source=com.ibm.lotus.search.plugins.seedlist.retriever.portal.PortalRetrieverFactory&Action=GetDocuments&Range=100&locale=en

Host_name is the server_name on NGINX and the url is in the Portal
server.
When I am accessing it directly, replacing the host_name with Portal
server
IP/port, it works.

With the host_name, I am getting the message as in the subject line, on
the
browser.

My nginx config is below:-

#Security
server_tokens off; #Turn off version number
add_header X-Frame-Options “SAMEORIGIN”; #Turn off click jacking; so
no
frames
add_header X-XSS-Protection “1; mode=block”;
add_header X-Content-Type-Options nosniff;

Redirect all insecure requests to the secure port

server {
listen <IP_address>:80 ;
server_name ;
return 301 https://<server_name>$request_uri;
}

Serve SSL encrypted data

server {
listen <IP_address>:443 default_server ssl;
add_header Strict-Transport-Security max-age=15768000;
server_name <server_name>;

access_log /web/nginx/servers/name/logs/access.log;
error_log /web/nginx/servers/name/logs/ error.log;

Security

ssl on;
ssl_prefer_server_ciphers on;
ssl_session_cache shared:SSL:10m;
ssl_dhparam /etc/ssl/certs/dhparam.pem;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;

ssl_ciphers
‘EECDH+AESGCM:EDH+AESGCM:ECDHE-RSA-AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-GCM-SHA256:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4’;

Specify the certificate and key

ssl_certificate /etc/nginx/ssl/name/server.name.com.crt;
ssl_certificate_key /etc/nginx/ssl/name/server.name.com.key;

location /download/ {
rewrite
^/download/vadxeval$
“https:///mybrocade/secure/navigate?nid=n32&prodCode=VIRTUAL_ADX&pname=VADX_DOWNLOAD&completePath=downloads/Virtual
ADX/Virtual ADX_Eval” break;
rewrite
^/download/apitoolkit$ “https:// /mybrocade/secure/navigate?nid=n30&prodCode=BRD_API_SUPPORT&prodCatCode=API&pname=VYATTA_DOWNLOAD&completePath=Brocade
API Toolkit” break;
}

location / {
rewrite ^/$ https:// /wps/myportal/ break;
rewrite ^/wps/portal$ http:// /wps/myportal/ break;

    index index.html;
    root /web/nginx/servers/name/conf;
proxy_set_header        Host $server_name;
proxy_set_header        X-Real-IP $remote_addr;
proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header        X-Forwarded-Proto $scheme;

proxy_pass http://<webseal_hostname>/;
proxy_read_timeout 90;

}
}

Please help.

Thanks,
Krishna

Posted at Nginx Forum:
https://forum.nginx.org/read.php?2,265136,265136#msg-265136

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