self-signed

Spring 5 WebClient using ssl

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Looks like Spring 5.1.1 (Spring boot 2.1.0) removed HttpClientOptions from ReactorClientHttpConnector, so you can not configure options while creating instance of ReactorClientHttpConnector One option that works now is: val sslContext = SslContextBuilder .forClient() .trustManager(InsecureTrustManagerFactory.INSTANCE) .build() val httpClient = HttpClient.create().secure { t -> t.sslContext(sslContext) } val webClient = WebClient.builder().clientConnector(ReactorClientHttpConnector(httpClient)).build() Basically while creating the HttpClient, we are … Read more

Self-signed SSL Cert or CA? [closed]

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There’s a common misconception that self-signed certificates are inherently less secure than those sold by commercial CA’s like GoDaddy and Verisign, and that you have to live with browser warnings/exceptions if you use them; this is incorrect. If you securely distribute a self-signed certificate (or CA cert, as bobince suggested) and install it in the … Read more

Self-signed SSL acceptance on Android

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I have this functionality in exchangeIt, which connects to Microsoft exchange via WebDav. Here’s some code to create an HttpClient which will connect to self signed cert’s via SSL: SchemeRegistry schemeRegistry = new SchemeRegistry(); // http scheme schemeRegistry.register(new Scheme(“http”, PlainSocketFactory.getSocketFactory(), 80)); // https scheme schemeRegistry.register(new Scheme(“https”, new EasySSLSocketFactory(), 443)); HttpParams params = new BasicHttpParams(); params.setParameter(ConnManagerPNames.MAX_TOTAL_CONNECTIONS, … Read more

SSL Localhost Privacy error

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Allow Insecure SSL (localhost) In Chrome (including Version 111), enable allow insecure localhost: chrome://flags/#allow-insecure-localhost Refer to this Stack Overflow for more information. Allow Insecure SSL (other) See “Your connection is not private. blah-bla-blah“… Type thisisunsafe (key listeners pick it up). Notes If you are just curious if this works, browse this site which has a … Read more

unsigned APK can not be installed

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I did not know that even with the “Allow Installation of non-Marked application”, I still needed to sign the application. I self-signed my application, following this link self-sign and release application, It only took 5 minutes, then I emailed the signed-APK file to myself and downloaded it to SD-card and then installed it without any … Read more

How can I create a self-signed certificate using C#?

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Since .NET 4.7.2 you can create self-signed certs using System.Security.Cryptography.X509Certificates.CertificateRequest. For example: using System; using System.IO; using System.Security.Cryptography; using System.Security.Cryptography.X509Certificates; public class CertificateUtil { static void MakeCert() { var ecdsa = ECDsa.Create(); // generate asymmetric key pair var req = new CertificateRequest(“cn=foobar”, ecdsa, HashAlgorithmName.SHA256); var cert = req.CreateSelfSigned(DateTimeOffset.Now, DateTimeOffset.Now.AddYears(5)); // Create PFX (PKCS #12) with … Read more

Can you use a service worker with a self-signed certificate?

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As an alternative to using self-signed certificates, you can launch Chrome or Firefox such that it pretends certain domains are secure. For example, using Chrome on a Mac, you can launch it using: /Applications/Google\ Chrome\ Canary.app/Contents/MacOS/Google\ Chrome\ –user-data-dir=/tmp/foo –unsafely-treat-insecure-origin-as-secure=http://www.your.site Service workers should then work from http://www.your.site. More info can be found here: Options for testing … Read more

How to create a self-signed certificate for a domain name for development on Windows 10 and below?

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Using PowerShell From Windows 8.1 and Windows Server 2012 R2 (Windows PowerShell 4.0) and upwards, you can create a self-signed certificate using the new New-SelfSignedCertificate cmdlet: Examples: New-SelfSignedCertificate -DnsName www.mydomain.example -CertStoreLocation cert:\LocalMachine\My New-SelfSignedCertificate -DnsName subdomain.mydomain.example -CertStoreLocation cert:\LocalMachine\My New-SelfSignedCertificate -DnsName *.mydomain.example -CertStoreLocation cert:\LocalMachine\My Using the IIS Manager Launch the IIS Manager At the server level, under … Read more

Failed to load resource: net::ERR_INSECURE_RESPONSE

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Your resource probably use a self-signed SSL certificate over HTTPS protocol. Chromium, so Google Chrome block by default this kind of resource considered unsecure. You can bypass this this way : Assuming your frame’s URL is https://www.domain.com, open a new tab in chrome and go to https://www.domain.com. Chrome will ask you to accept the SSL … Read more

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