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What is a TCP Port: Different Between TCP and UDP Ports

NW Kings

Understanding TCP ports is essential for managing network traffic and ensuring effective communication. But what is a TCP port? This blog will delve into what a TCP port is, how it works, its significance in networking, and the different types of ports, including well-known and dynamic ports.

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How to find applications with NetFlow

Kentik

You can also learn about the protocols in use, the ports being used, the top interfaces, etc. Source port for UDP or TCP, 0 for other protocols. Destination port for UDP or TCP, type and code for ICMP, or 0 for other protocols. Don’t rely on ports. Source IP address. Destination IP address. IP protocol.

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Protocols of Transport Layer Explained

NW Kings

This blog will explore the key protocols within the transport layer, focusing on TCP ( Transmission Control Protocol ) and UDP (User Datagram Protocol) in detail. This layer operates on two primary protocols: TCP and UDP , each serving different purposes in data transmission. What is the Transport Layer?

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Protect Your Systems Now from the Critical Windows SMBv3 RCE Vulnerability

CATO Networks

A hacker could attack systems from outside the enterprise network directly if a systems SMB port has been left open to the Internet. By default, Windows Firewall blocks external connections to the SMB port, however. The malware would then exploit the new SMBv3 vulnerability to spread across other Windows systems on the network.

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Detecting Hidden Spambots

Kentik

Here’s how these types of schemes work: The spammer sends a SYN from a spoofed source IP address to TCP port 25 (SMTP) on the target mail server. First, we’ll write a query to get a list of all the hosts in the network that are receiving traffic from remote source port TCP/25 (the traffic described in Step 2 above).

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API Monitoring with Kentik

Kentik

To expose Docker’s API to the world , use: sudo dockerd -H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375 2375 Connect to your server at its IP address over port 2375. Kentik can alert you via various channels, including email, JSON, Slack, Microsoft Teams, custom webhooks, and more. Sign up with Kentik and log in.