How to generate SSL certificate on subdomain? - java

I actually have a hosting service who has a subdomain, that subdomain function is to redirect to my local server where I have my services, for example:
My domain: example.com
Subdomain: guaymas.example.com // His function is to redirect to my server (firewall)
Redirect to a port : guaymas.example.com:8080 // where I have my services
And through a port I have a web service, in order to make the data transfer more secure I wanted to implement a SSL certificate but because of my configuration I’ḿ not able to generate the certificate with letś encrypt (because buying one is not an option), I can’t verify with http or dns method, Is there any other method that I can use to generate the SSL certificate?
PD: I'm using GlassFish and Soap web services on JAVA, those are running on Linux Server and my distro is deepin
Thanks a lot

Related

ERR_CERT_AUTHORITY_INVALID when accessing same hostname with different port

We have a splunk instance which is exposed to internet via say https://splunk.mycompany.com
When we access the above URL browser says connection is secure meaning all certificates are ok.
Now splunk REST API service is running on port 8089. So to access splunk REST API we have to hit
https://splunk.mycompany.com:8089
Whenever we are hitting the above URL we are getting certificate issues and browser is saying "your connection is not private"
Error is: NET::ERR_CERT_AUTHORITY_INVALID
As I am still accessing the same hostname via https (and a new port) it should establish a secure connection. But why it's failing to validate certificate authority?
Edit: I have been told by the splunk team to take ther certificate of https://splunk.mycompany.com and install in the java keystore in the machine from where the REST API call is being made. They also told this is working for otheres. My question why it is even needed?
You should enable SSL on port 8089 via server.conf file.
Have a look at the Splunk Documentation here: https://docs.splunk.com/Documentation/Splunk/9.0.0/Security/ConfigTLSCertsS2S

2 way SSL authentication failure when calling External web service from java WS client

I need to create a Java based XML web service client which is deployed in IBM WAS server which calls web service hosted by external system. Here 2 way ssl authentication mechanism should be there.
Configuration team has already set up the below things in quality environment of client and web service appservers:
At WAS server in which my web service client exists:
server certificate in the trustStore
client certificate is available in the keystore
At App server in which actual WebService exists:
server certificate in the keyStore
client certificate is available in the trust store
Coding:
we Auto generated classes using WSDL file provided by WS provider.
called the WS method normally like there is no 2 way ssl authentication mechanism in place.
problem: we are getting a connection exception when calling web service method from WS Client.Seems we have trouble with the 2 way ssl mechanism.
Full StackTrace Image as requested:
Assumptions:
we assumed that the entire handshake process of 2 way SSL process happens automatically when the web service call is done normally from the client.
Queries:
Is our assumption correct that entire handshake process happens
automatically here especially client sending its certificate ?
Do we need to specify at code level in java any details of path of
trust Store or KeyStore before calling the web service method to enable client to send its certificate ?
If Yes for Qn 2 do we need to set below properties in code as mentioned in some reference links
before calling WS method in client:
System.setProperty("javax.net.ssl.keyStore", "path/to/your/key");
System.setProperty("javax.net.ssl.keyStorePassword", "your-keystore- password");
System.setProperty("javax.net.ssl.trustStore","path/to/your/trust/keystore");
System.setProperty("javax.net.ssl.trustStorePassword", "your-truststore-password");
Any suggestions/advice are highly welcome as we are stuck with this since few days.Its the first time we are working on web services which need 2 way SSL.

Apache httpd ssl reverse proxy

I have the following scenario:
Web application (currently running in Eclipse)
Apache httpd proxy
5 backend servers (tomcat) all listening on HTTPS
I have valid certificates for all backend servers and also have the cert chain imported in the keystore. Can anyone explain to me or give me a sample config for the proxy? I am getting different errors when trying to establish trust between the proxy and backend servers like (downstream server wanted client certificate but none are configured).

Servlet and TLS

I'm developing a simple web services using Java EE Servlets.
My clients are a simple java apps (no browsers), so I need to secure my communication using TLS (or SSL v3). About Application server, I'm using Glassfish v3.
For example, I need to transfer some data from client to server within a HTTP Post Request into a secure connection.
There are some external libraries, server configurations or tutorial that can I use?
On the server side you must somehow expose your servlets via HTTPS. If you are using tomcat, check out SSL Configuration HOW-TO. If you have an Apache web server in front, see: Apache SSL/TLS Encryption.
On the client side ssl and https support is built into JDK, just call any https://... address using URLConnection. However remember that the certificate your server uses must be trusted - either confirmed by some authority or added manually on the client. Self-signed certificates by default won't be accepted.

How to enable optional client certificate requests in GlassFish?

The Blog site (Client-Auth REQUESTED in GlassFish) reads:
In domain.xml, please add the following property to http-listener element
<property name="com.sun.grizzly.ssl.auth" value="want"/>
However, when adding this to my GlassFish v3 domain.xml, the existing browser client certificate is not requested. The GlassFish server is properly set up, i.e., requires client certificates with the option "client-auth-enabled" set to true.
The GlassFish bugtracker (1) mentions a different version:
* client-auth: want/need/<blank>
However, this property doesn't get accepted either.
Others have the same problem (2).
How can I enable an optional client certificate request in GlassFish? Are there alternatives?
(1) http://java.net/jira/browse/GLASSFISH-6935
(2) https://stackoverflow.com/questions/3634129/configure-glassfish-v3-client-auth-requested-to-want
Probably because it doesn't exist.
*When you deal with client certificates in HTTPS, keep in mind your HTTPS listener configurations. The SSLv3/TLS protocol allows three modes for an HTTPS socket.
* The traditional mode requires a single server certificate. An HTTPS client (typically a web browser) validates the server identity by matching the certificate to a list, or truststore, of Certificate Authorities. You probably use this mode every day during typical log-in activity.
* Another mode requires both client and server certificates. The client certificate is validated by the server side, and the server certificate is validated by the client side.
* The third mode requires a server certificate, but the client certificate is optional.
*In the real world, you want to use the same HTTPS URL whether a user is authenticated by password or certificate. This approach requires a server that supports the third, optional client certificate mode. At this writing, the GlassFish application server does not support this mode. Fortunately, the Apache Tomcat web server, supported by OpenSSO, is available as an alternative. For Reference

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