PHP programming language standard library supports the cURL library named libcurl. libcurl is a library implementation of the cURL tool which is used to communicate with servers and clients by using popular protocols like HTTP,...
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...
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...
Certificates like SSL, X.509 are used to secure network traffic. But every certificate has its own life cycle in a distributed environment like the internet we should manage them. Online Certificate Status Protocol aka OCSP is...
Common Name or CN is generally used in SSL Certificates. CN is used to define the server name which will be used for secure SSL connection. Generally this SSL certificate used to secure connection between...
OpenPGP is a email encryption standard used by a lot of people. This standard is defined by OpenPGP Working Group of the Internet Engineering Task Force (IETF). The standard is proposed with RFC 4880 ....
SFTP is a secure version of the FTP. SFTP provides an encrypted channel with the remote server. This makes authentication and data transfer more secure than FTP. SFTP protocol is generally provided by SSH servers...
OpenSSL is most popular open source cryptography library which provides a lot of tools, libraries, algorithms about cryptography. It is mostly known with Secure Socket Layers (SSL) and Transport Layer Security (TLS) protocols. Supported Encryption...
Lftp is a powerful command line tool which supports FTP, HTTP, SFTP, FISH, TORRENT protocols for file and data transfer. As we can see it supports popular data and file transfer protocols. It uses GNU...
OpenSSL provides read different type of certificate and encoding formats. OpenSSL supports certificate formats like RSA, X509, PCKS12 etc. We will look how to read these certificate formats with OpenSSL. Read RSA Private Key RSA...
