What is IP Packet?

Map Of Internet 1973


ip packet is the name of a data unit for the network layer (level 3 of the OSI model) (ie IP).

packet is a general term that depends on the context (ie the OSI layer). See the packet page: What is a Network Packet?


TCP/IP sends a TCP packet known as segment:


Packets can be forged / dynamically created (including source IP addresses).


Example of a DNS query packet 1)

Packet Structure Dns Query

where you can see:


Flow of network packets in an operating system. There are two distinct layers in the packet path:




Network - nping (benchmark)



Discover More
Map Of Internet 1973
Ethernet - Frame

A frame or packet frame is the data unit of ethernet that is transmitted between network points with: addressing and necessary protocol control information. A frame is usually transmitted serial...
Firewalld - Target (Rich Rule Action)

A target is the action taken if the configuration options match a IP packet. It's used: as the last word in a rich rule as the default action in a zone. It's a iptables concept. Name Rejection...
Firewalld - Zone

A zone is a grouping of rule configurations known as zone option. A firewall zone is defined for: a connection, an interface or source address binding (range of source addresses) This is a one-to-many...
HTTP - Proxy

An HTTP proxy is a proxy that re-routes the HTTP message (request and response). It sits between the client and the origin server. There is two kinds of proxy but they are just the same application,...
Chrome Site Cant Be Reached
How to allow only the HTTP traffic from a subnet such as Cloudflare with Firewalld?

This article is a step by step that shows you how to configure the firewall Firewalld to allow the network packet traffic from a subnet such as Cloudflare
Map Of Internet 1973
Net Client

This page is clients that send packet to a socket. You can talk directly to a server that implements a protocol where the packet body is made of text such as: SMTP. HTTP This client can also...
Map Of Internet 1973

Maps of the Internet in 1973 This section groups all articles over networking. In the internet age, all networks may be considered as subnet. To transmit data between two hosts in one network,...
Map Of Internet 1973
Network - Address Resolution Protocol (ARP)

The ARP protocol is a layer 3 protocol used to translate: IP addresses (ex: to physical network card addresses or MAC addresses (ex:0fe1.2ab6.2398) (same things ?) When a device tries...
Map Of Internet 1973
Network - Data unit

A buffer in Networking is called a data unit. When data is sent across a network, it is sent as thousands of small chunks called data unit, so that many different users can download the same data at the...
Ethernet Cables
Network - Ethernet

Ethernet is a LAN technology part of the Data link layer (OSI level 2) that creates ethernet packet known as frame that are carried out physically by ethernet cables. TCP/IP sends a TCP packet known...

Share this page:
Follow us:
Task Runner