Kumar's view on Information - தகவல்கள் பகிர்வின் மீதான உங்கள் குமாரின் தாக்கம்

What is CA Certificate A Certificate Authority (CA) is an entity responsible for issuing digital certificates to verify identities on the internet.  Types of CA Certificate  Public CAs Public CAs are a popular choice for verifying the identity of websites and other services that are provided to the public. Private CAs Building a private Certificate Authority will enable you to configure, test, and run programs that require encrypted connections between a client and a server. With a private CA, you can issue certificates for users, servers, or individual programs and services within your infrastructure. Create Private root-CA in Linux: Step 1: Create folders in required path  root@CentOS8 ~] \ [# mkdir - pv / etc / pki / CA /{ certs , crl , newcerts , private } mkdir : created directory '/etc/pki/CA' mkdir : created directory '/etc/pki/CA/certs' mkdir : created directory '/etc/pki/CA/crl' mkdir : created directory '/etc/pki/CA/newcerts' mkdir : ...

OpenSSL Update First, install or check latest version of OpenSSL software package. Also check any vulnerability remarked on websites for the particular version.   When I am writing this article, OpenSSL Stable version released as 1.1.1L (code pronounced as LIMA). Prior versions having some vulnerabilities as CVE-2021-3711 and CVE-2021-3712   The first bug is caused by a heap-based buffer overflow in the SM2 cryptographic algorithm, which generally leads to crashes but can also be abused by attackers for arbitrary code execution. The second flaw is a read buffer overrun while processing ASN.1 strings that can be exploited to crash vulnerable apps in DoS attacks or gain access to private memory contents such as private keys or other sensitive info.   Above-mentioned vulnerabilities may allow remote attackers to conduct denial-of-service attack or execute arbitrary code.   I recommend update your server systems or network related IoT devices for vulnerable free.   ...