Hash algorithms are the heart of the cryptography and security. SHA-256 is a Secure Hash Algorithm which will generate an output hash value in 256 bit. SHA-256 is designed by the National Security Agency (NSA)....
Privacy is an important topic of today IT. We as a human being needs privacy to protect our life private from others and companies. We use browsers in our daily life and put a lot...
Today Firewall is depicted as the main component of the security and networks. Firewalls provide a lot of different operations and features. In the old days, the firewall was simply used to block or allow...
Wireshark is a tool used to capture and analyze network traffic. Wireshark mainly used by network administrators and security professionals in order to inspect networks and find security vulnerabilities or malware behaviors. Live Capture Wireshark...
Microfocus (formerly HP) Loadrunner is a Load, Stress and DoS Testing tools used to test applications. Loadrunner also provides benchmark results for the given target. In this tutorial, we will learn how to download, register,...
exiftool is a platform independent command line and GUI application for reading, writing and editing meta information of images and media files. Metadata information can be GPS coordinates, tags, creation time, edit time, device name...
umask command is used to set default file and folder permission in Linux operating system. File and folder permissions are important because the permission enables or deny different users, groups and others to access, read, write and...
Lightweight Directory Access Protocol or LDAP is used to authenticate and authorize users. LDAP is used in different infrastructures like Windows Domain, Linux, Network etc. LDAP uses different port numbers like 389 and 636. TCP 389...
pscp command is an SCP protocol implementation where we can transfer and copy files and folders securely over a network with the SSH connection. In this tutorial, we will learn how to install and use...
C and C++ programming languages provide rand() and srand() functions in order to create random numbers. Random numbers can be used for security, lottery etc. In this tutorial we will learn how to use a random...
