Remove DNS Remove Email Remove TCP
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EP145: Infrastructure as Code Landscape

ByteByteGo

DNS lookup begins (think of it as looking up a phone number). The request goes through different DNS servers (root, TLD, and authoritative). Next, your browser initiates a TCP connection like a handshake. the client and server perform a TCP three-way handshake with SYN, SYN-ACK, and ACK messages.

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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. What is a TCP Port?

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How to find applications with NetFlow

Kentik

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. Lots of applications use these ports today, including DNS lookups and email. NetFlow application monitoring: Use DNS logs. Source IP address. Destination IP address. IP protocol.

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NPM, encryption, and the challenges ahead: Part 1 of 2

Kentik

Once you saw a person’s password to any given application, you knew they were generally using the same one for all of their other applications — email, the ticketing system, the FTP and Novell servers, etc. Getting all the DNS logs is often impractical. Is Google hijacking DNS with DoH? HTTP is the new TCP.

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Consolidated Tools Improve Network Management

Kentik

Host or sensor-based network performance metrics such as latency, TCP retransmits, errors, out-of-order packets, etc. DNS log data. And if you’d like to see for yourself what Kentik Detect can do for your network management operations, start a free trial or email us at info@kentik.com to schedule a demo. HTTP data such as URLs.

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Cloudflare 2024 Year in Review

CloudFaire

In this years review, we have added several new traffic, adoption, connectivity, and email security metrics, as well as the ability to do year-over-year and geographic comparisons for selected metrics. of TCP connections are unexpectedly terminated before any useful data can be exchanged. Email Security An average of 4.3%