Remove Email Remove Server Remove TCP
article thumbnail

EP145: Infrastructure as Code Landscape

ByteByteGo

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. DNS lookup begins (think of it as looking up a phone number).

article thumbnail

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?

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

EP140: HTTP/1 -> HTTP/2 -> HTTP/3

ByteByteGo

When you want to send the JWT to a server, you put the header, payload, and signature inside the box. Then you send it over to the server. The server can easily read the header and payload to understand who you are and what you want to do. However, it still used TCP as the underlying protocol.

TCP 100
article thumbnail

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. If you are thinking that those represent HTTP and HTTPS, you would be largely correct, but that doesn’t mean it’s traffic involving web servers. Source IP address. Destination IP address.

article thumbnail

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. HTTP is the new TCP. Today, many downloads are done over HTTPS and the same holds true for checking email.

article thumbnail

How Can Organizations Improve Network Performance?

CATO Networks

Email, CRM (customer relationship management) software, and collaboration tools may all come from different cloud service providers. Proxy TCP Connections Fundamentally, TCP (Transmission Control Protocol) connections inherently add more overhead than their UDP (User Datagram Protocol) counterparts.

Network 52
article thumbnail

Protect Your Systems Now from the Critical Windows SMBv3 RCE Vulnerability

CATO Networks

At the beginning of the month, Microsoft released an advisory and security patch for a serious Windows Server Message Block (SMB) vulnerability called the Windows SMBv3 Client/Server Remote Code Execution Vulnerability (AKA Windows SMBv3 RCE or CVE-2020-0796). This would solve the problem for SMB servers but not SMB clients.

SMB 52