Active and Passive FTP Simplified - Understanding FTP Ports File transfer protocol (FTP) is a popular application-layer protocol that is used for file transfers across TCP networks. FTP supports two modes: active and passive. These modes use different connection mechanisms, and each require different firewall configurations to allow access. This article discusses the differences between these modes. Networking Security
ProFTPd Server with virtual users and in SFTP mode How to configure proftpd server with virtual users and with sftp mode. Debian Linux Networking Security
How To Configure vsftpd to Use SSL/TLS and virtual users In this guide, we will configure vsftpd to use SSL/TLS certificates and virtual users. Debian Linux Networking Security
Understanding Key Differences Between FTP, FTPS and SFTP Perhaps the most common protocols used in file transfer today are FTP, FTPS and SFTP. While the acronyms for these protocols are similar, there are some key differences among them, in particular how data are exchanged, the level of security provided and firewall considerations. Learning these key differences can help you when choosing a file transfer protocol or troubleshooting common connection issues. Networking Security
