C Localhost Lsapp Dev

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  1. @RequestMapping('/auth')
  2. @RequestMapping(value = '/login', method = RequestMethod.GET)
  3. public String getLoginPage(@RequestParam(value='error', required=false) boolean error,
  4. return 'login2.xhtnml';
  5. <servlet-name>spring</servlet-name>
  6. <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  7. <param-name>contextConfigLocation</param-name>
  8. classpath:META-INF/spring-servlet.xml
  9. </init-param>
  10. </servlet>
  11. <servlet-mapping>
  12. <url-pattern>/*</url-pattern>
  13. WARN org.springframework.web.servlet.PageNotFound - No mapping found for HTTP request with URI [/app/login2.xhtml] in DispatcherServlet with name 'spring'
  14. <servlet-mapping>
  15. <url-pattern>/app/*</url-pattern>
  16. <servlet-name>spring</servlet-name>
  17. </servlet-mapping>

Typically, development and debugging is performed on a local web server, while the production environment is located on a remote web server. Setting up a remote web server is described in + Deploying a PHP Application on a Remote Web Server Using the NetBeans IDE+.This tutorial has you set up a local web server. May 31, 2007  From my mailbag: Adblock detected 😱 My website is made possible by displaying online advertisements to my visitors. Ads are annoying but they help keep this website running. It is hard to keep the site running and producing new content when so many people block ads. Please consider donating money to the Continue reading 'Howto: Connect MySQL server using C program API under. Localhost content on DEV. How to view a web page on a mobile device from a server running locally on my computer. The most concise screencasts for the working developer, updated daily. There's no shortage of content at Laracasts. In fact, you could watch nonstop for days upon days, and still not see everything!

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Almost any website you visit today is protected by HTTPS. If yours isn’t yet, it should be. Securing your server with HTTPS also means that you can’t send requests to this server from one that isn’t protected by HTTPS. This poses a problem for developers who use a local development environment because all of them run on http://localhost out-of-the-box.

C Localhost Lsapp Development

At the startup I’m a part of, we decided to secure our AWS Elastic Load Balancer endpoints with HTTPS as part of a move to enhance security. I ran into a situation where my local development environment’s requests to the server started getting rejected.

A quick Google search later, I found several articles like this, this or this one with detailed instructions on how I could implement HTTPS on localhost. None of these instructions seemed to work even after I followed them religiously. Chrome always threw a NET::ERR_CERT_COMMON_NAME_INVALID error at me.

The problem

All the detailed instructions I had found were correct for the time they were written. Not anymore.

After a ton of Googling, I discovered that the reason for my local certificate getting rejected was that Chrome had deprecated support for commonName matching in certificates, in effect, requiring a subjectAltName since January 2017.

The solution

We’ll be using OpenSSL to generate all of our certificates.

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Step 1: Root SSL certificate

The first step is to create a Root Secure Sockets Layer (SSL) certificate. This root certificate can then be used to sign any number of certificates you might generate for individual domains. If you aren’t familiar with the SSL ecosystem, this article from DNSimple does a good job of introducing Root SSL certificates.

Generate a RSA-2048 key and save it to a file rootCA.key. This file will be used as the key to generate the Root SSL certificate. You will be prompted for a pass phrase which you’ll need to enter each time you use this particular key to generate a certificate.

You can use the key you generated to create a new Root SSL certificate. Save it to a file namedrootCA.pem. This certificate will have a validity of 1,024 days. Feel free to change it to any number of days you want. You’ll also be prompted for other optional information.

Step 2: Trust the root SSL certificate

Before you can use the newly created Root SSL certificate to start issuing domain certificates, there’s one more step. You need to to tell your Mac to trust your root certificate so all individual certificates issued by it are also trusted.

Open Keychain Access on your Mac and go to the Certificates category in your System keychain. Once there, import the rootCA.pem using File > Import Items. Double click the imported certificate and change the “When using this certificate:” dropdown to Always Trust in the Trust section.

Your certificate should look something like this inside Keychain Access if you’ve correctly followed the instructions till now.

Step 2: Domain SSL certificate

The root SSL certificate can now be used to issue a certificate specifically for your local development environment located at localhost.

Create a new OpenSSL configuration file server.csr.cnf so you can import these settings when creating a certificate instead of entering them on the command line.

Create a v3.ext file in order to create a X509 v3 certificate. Notice how we’re specifying subjectAltName here.

Create a certificate key for localhost using the configuration settings stored in server.csr.cnf. This key is stored in server.key.

A certificate signing request is issued via the root SSL certificate we created earlier to create a domain certificate for localhost. The output is a certificate file called server.crt.

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Use your new SSL certificate

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You’re now ready to secure your localhost with HTTPS. Move the server.key and server.crt files to an accessible location on your server and include them when starting your server.

In an Express app written in Node.js, here’s how you would do it. Make sure you do this only for your local environment. Do not use this in production.

I hope you found this tutorial useful. If you’re not comfortable with running the commands given here by yourself, I’ve created a set of handy scripts you can run quickly to generate the certificates for you. More details can be found on the GitHub repo.

I love helping fellow web developers. Follow me on Twitter and let me know if you have any suggestions or feedback. If you’d like to show your appreciation towards any of the work I’ve done, be it a blog post, an open source project or just a funny tweet, you can buy me a cup of coffee.