Like any secure protocol, vulnerabilities will continue to be discovered, and it is important to keep software that utilises TLS up-to-date so that the latest security patches are applied.
The Secure Sockets Layer (SSL) is a cryptographic protocol designed to secure communications over TCP/IP networks. SSL was developed by Netscape during the early 1990's, but various security flaws meant …
The previous post in this series about SSL/TLS described the handshake - the process that establishes an SSL/TLS session between client and server. The session includes agreed-upon encryption keys. Now, …
As part one explained, SSL/TLS is intended to provide secure network connections between a client (e.g. a web browser), and a server (e.g. a web server) by encrypting all data …
Public key encryption is briefly explained in the first post of this series, here, but it is of such importance in SSL/TLS and SSH that a more detailed explanation is …
This blog series will explain how secure network protocols work. It will explain what encryption is, what cryptographic hashes are, and how they are both used to secure data transmission. …
The first tip in this series on How to secure your SFTP server is a basic one that is very often neglected, and yet it is probably the most important thing you can do.
The first tip in this series on securing your SFTP (and FTP) server was to keep your operating system and server software up-to-date with the latest security patches. Next, make …
The previous tip in our series on securing your SFTP server involved utilizing the resources of the corporate network to bar intruders, primarily via the corporate firewall. Now that we've …
Tips 1, 2, and 3 of this series described techniques to prevent attackers from getting access to your SFTP server's machine, and features such as IP filtering and auto-banning that …