The Secure Shell (SSH) protocol is a cryptographic network protocol designed to provide secure communication over an unsecured network. It is widely used for securely accessing…
Cisco
The Cisco category on howtokh.com is your go-to resource for mastering Cisco networking technologies, tools, and certifications. Whether you’re a beginner or an IT professional, this section offers practical guides to help you understand and work with Cisco systems. Start with Cisco basics, including routers, switches, and small network setups. Learn to configure Cisco devices with step-by-step tutorials covering VLANs, firewalls, and advanced routing protocols. Dive into Cisco network security, featuring tools like Firepower, ASA, and Umbrella, plus VPN and access control setups. Explore Cisco certifications, from CCNA to CCIE, with study resources and exam tips. For advanced users, our guides on SD-WAN, Cisco DNA, and network automation offer deeper insights into modern enterprise networking. Regularly updated with tutorials and tech trends, this category helps you gain hands-on skills, stay current with Cisco innovations, and grow your networking expertise.
The Secure File Transfer Protocol (SFTP) is a secure version of the File Transfer Protocol (FTP) designed to encrypt and protect data during file transfers. Built…
Here’s a detailed definition for each Application Layer Protocol and how they are used: HTTP (Hypertext Transfer Protocol) HTTPS (HTTP Secure) FTP (File Transfer Protocol) SFTP…
Here’s a comprehensive list of network protocols along with their commonly associated port numbers and what they stand for: Learn more… Application Layer Protocols ProtocolPort NumberPurposeHTTP80Hypertext…
The file format considered the predecessor to PDF (Portable Document Format) is PostScript (PS). When asked which file format is regarded as the predecessor to PDF,…
Encountering the “Login failed: Cisco Packet Tracer is shutting down” error can disrupt your workflow and hinder access to this essential networking tool. The first step…
To solve this error with step 2, Firstly, you have to create Sign up an account and Sign in with Cisco Packet Tracer. We solve by…
If you encounter the “Login failed: Cisco Packet Tracer is shutting down” error, it typically happens due to login issues, outdated software, or connectivity problems. Here…
Cisco Packet Tracer is a powerful network simulation tool for networking practice, education, and training. Here’s a step-by-step guide for installing Cisco Packet Tracer on Windows…
Cisco Packet Tracer is an essential network simulation tool used by students, educators, and professionals to design and simulate network configurations. The latest version, 8.2.2, brings…