[CentOS] redirecting web requests from localhost

[diegors at gmail.com]

Could be hardcoded in your java app, by hostname or ip?

Just open your java (its a zip renamed) and see file contents (some of files inside, are text plain). 

Also, you can find a debuger

Diego Sanchez

Sent from my mobile

-----Original Message-----
From: Miguel González <miguel_3_gonzalez at yahoo.es>
Sender: centos-bounces at centos.org
Date: Wed, 28 Aug 2013 21:49:31 
To: <centos at centos.org>
Reply-To: CentOS mailing list <centos at centos.org>
Subject: [CentOS] redirecting web requests from localhost

Dear all,

    I´m testing a server and try to simulate a server in production. We 
have a SSL certificate and I have configured the test server with the 
same servername as it is in production. To access it, I change the hosts 
file in my laptop to reach the test server.

    However, the Java application running in the server tries to access 
some local web content. I have changed the hosts file and some 
applications (ping, wget) they get the local IP address. However 
nslookup and maybe our Java application (I didn´t have the programmer 
available to debug it) are getting the production server IP.

    So, how can I redirect for instance 443 traffic to a specific IP to 
the local IP address of the local server? I have tried this:

     iptables -t nat -A PREROUTING -d XXX.XXX.XXX.XXX -p tcp --dport 80 
-j DNAT --to YYY.YYY.YYY.YYY

   XXX.XXX.XXX.XXX - IP of production server

   YYY.YYY.YYY.YYY - local IP of the test server

   Thanks

   Miguel




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