Linux, Windows, Security, Programming, Network Tutorials
Anonymity and Privacy are important topics of this decade. A lot of states, companies or persons try to crack or censorship peoples anonymity and privacy. There are different ways to protect us from these attacks. Tail OS is a Linux based distribution which provides these protections as a Live operating system. Download Tail OS can … Read more
Security is an important part of today’s IT operations. There are a lot of tools that provide some part of the security operations. GNU Privacy Guard or simply GPG is one of them. It provides encryption, decryption, digital signatures, and signing. Install GPG To Ubuntu, Debian, Mint and Kali For deb or apt based distributions … Read more
Security is important part of the today IT and gains more respect from IT world. Hashing is a security measure to protect and check our data. In this tutorial we will look how to use hash with tables and strings. What is Hash Hash is a function where provided data will be converted into another … Read more
OpenSSL provides different features and tools for SSL/TLS related operations. s_lient is a tool used to connect, check, list HTTPS, TLS/SSL related information. Simply we can check remote TLS/SSL connection with s_client . In these tutorials, we will look at different use cases of s_client . Check TLS/SSL Of Website The basic and most popular use … Read more
OpenSSL is very popular security library and tool. OpenSSL provides a lot of security algorithms, standards, protocols as library and tool. OpenSSL mainly developed in the Free software and Linux community but this doesn’t mean Windows do not use OpenSSL library and tools. In this tutorial we will learn how to install and configure OpenSSL … Read more
Trusted Platform Module or TPM is an international standard for a secure cryptoprocessor. This standard is developed by Trusted Computing Group and standardized by International Organizational Standardization (ISO) and International Electrotechnical Commission (IEC) with number ISO/IEC 11889 in 2009. Versions TCG continues to revise the TPM specification. Latest version is released at October 2014 with … Read more
Virtual Private Network simply VPN is one of the most known IT terms between people. What is a VPN? Virtual means the network or tunnel we will create is virtual not a physical network. This virtual network is isolated from existing public networks. Private means this network traffic will not know, seen from parts we … Read more
GnuPG is an opensource and popular alternative to the PGP. PGP provides encryption-related function. PGP provides a hash function like standard Linux packages. We will look ow to verify files downloaded from the internet with their PGP signatures to verify. Find PGP Information In this example, we will use the Apache source code. Apache PGP … Read more
Hi, x509 certificates are used widely by a lot of applications. Generating x509 certificates seem to be hard and rocket science, but it is not. We will generate a key named t1.key and then create a signing request from this key. After that, to sign our request we will generate a self-signed CA key and … Read more
Generating random numbers can seem odd. But it is very important for security. Insecurity field whatever best cipher or algorithm you use if you can’t generate random numbers it is useless from point of view of security. So how can we generate random numbers in a Linux environment? Generate With urandom File urandom is a device … Read more