![]() ![]() Microsoft implementations do not use TLS close-notify alert and thus they "TIMEOUTclose = 0" is a workaround for a design flaw in Microsoft SChannel Otherwise the following configuration creates an open relay. ![]() authentication when relaying emails originated from loopback. Either only expose this service to trusted networks, or require cert = pkcs11:token=MyToken object=M圜ert located in the Windows certificate store Encrypted HTTP proxy authenticated with a client certificate * Service definitions (at least one service has to be defined) * * Include all configuration file fragments from the specified folder * These options provide additional security at some performance degradation Enable support for the insecure SSLv3 protocol * Service defaults may also be specified in individual service sections * engineCtrl = MODULE_PATH:softhsm2-圆4.dll Each section using this feature also needs the "engineId = pkcs11" option IMPORTANT: A 64-bit stunnel requires 64-bit PKCS#11 modules such as softhsm2-圆4.dll or opensc-pkcs11.dll MODULE_PATH specifies the path to the pkcs11 module shared library, keys isolated in a hardware or software token The pkcs11 engine allows for authentication with cryptographic ![]() TLSv1.1 requires security level 0 when compiled OpenSSL 3.0 and later You also need to disable TLS 1.2 or later, because the CryptoAPI engine Each section using this feature also needs the "engineId = capi" option Microsoft CryptoAPI engine allows for authentication with private keys Enable FIPS 140-2 mode if needed for compliance Debugging stuff (may be useful for troubleshooting) Please consult the manual for detailed description of available options This sample file does *not* represent nf defaults Some options used here may be inadequate for your particular configuration Sample stunnel configuration file for Win64 by Michal Trojnara 2002-2022 The configuration for stunnel is stated below: We're running Amazon Linux 2 (Kernel version 4.14.318-241.531) with stunnel version 5.6.4. This results in the nfs server timeout (We're using EFS). We're facing an issue where the stunnel process running on our AWS Ec2 enters a zombie state. ![]()
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