Understanding the Basics of SSL Certificates As our online presence grows, ensuring the security of your website becomes increasingly crucial. For many, the idea of securing a site might seem daunting, especially with various SSL certificates available. You might...
A Basic Overview of SMTP Ports SMTP stands for Simple Mail Transfer Protocol, the standard protocol for sending email across the Internet. To send mail via SMTP, an email client or server connects to an SMTP server on a remote domain, often the email provider's mail...
What Does "RPC server is unavailable" Error Mean? The "RPC server is unavailable" error is a common issue that can prevent you from accessing shared folders and printers on your network. This error occurs when the Remote Procedure Call (RPC) service is not running...
RC4 Encryption Algorithm Definition The RC4 encryption algorithm, also known as ARC4 or ARCFOUR, meaning Alleged RC4, was designed by Ron Rivest of RSA Security in 1987. RC4 is a symmetric key stream cipher and variable key-size stream cipher. It is used in popular...
What is Port 995? Port 995 is a TCP network port reserved for communication between email clients and mail servers for the purpose of retrieving email securely. It is used for POP3 email transmissions over Transport Layer Security (TLS) or Secure Sockets Layer (SSL)...
Know the Difference Between Port 389 and 636 When it comes to Lightweight Directory Access Protocol (LDAP), two commonly used ports are 389 and 636. The distinction between Port 389 vs 636 is an important consideration for organizations managing their directory...
What is Port 5060? A port is a logical connection point used by various protocols and applications to exchange data over a network. Port numbers allow different applications on the same server to utilize network resources without any conflicts. Port 5060 is the...
What is Port 1521? Port 1521 is commonly known as the Oracle database listener port. It provides the essential capability for remote clients to be able to communicate with the Oracle database server. The listener process on the database server monitors this port and...
What are Ports 20 and 21? Ports 20 and 21 are well-known ports commonly used for FTP (File Transfer Protocol) services. Port 20 is used for FTP data transfer, while port 21 is used for FTP command and control. Understanding the purpose and function of these ports is...
What is Port 69? Port 69 is officially registered with the Internet Assigned Numbers Authority (IANA) for the Trivial File Transfer Protocol or TFTP. TFTP uses UDP as its transport protocol and is designed to be a very simple file transfer protocol with minimal...
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