Network

LinkedIn ads: B2B marketing in the business network

LinkedIn ads: Marketing geared toward the target group

LinkedIn is the first port of call for global B2B marketing. Contrary to Facebook, Instagram, or Pinterest, you can reach the community in your business network on a professional level instead of through funny videos. LinkedIn ads give you multiple formats to choose from to address your target group. From content marketing to classic banner adverts: We explain what the various options are good for...

Server failure – what to do?

Server failure: risks, consequences, countermeasures

Server failures can be devastating for businesses, especially if central business areas are controlled by IT systems since the longer the server is down, the costlier is it for the company. This can result in loss of sales and in the worst case, the loss of business or customer data. Here we demonstrate the internal and external sources of danger that can lead to server failure, explain the...

Subnetting: How do subnets work?

Use subnetting to get the most out of your network

Dividing a corporate network into smaller subnets has some advantages in terms of speed, security, and logical organisation. However, many people find it difficult to set up. Binary computational operations and long series of numbers are frightening, but the principle itself is not so complicated. We explain what subnetting is, how to calculate a subnetmask, and what you need subnets for, so that...

SCTP

SCTP (Stream Control Transmission Protocol) – the reliable, message-orientated transport protocol

If two computer systems are to exchange data, they must agree on a common protocol basis. For example, the selected transport protocol determines how the information is to be transferred. One of the more recent representatives of this protocol division is the Stream Control Transmission Protocol (SCTP), which the IETF (Internet Engineering Task Force) published in 2000 as an alternative to known...

DHCP Snooping

DHCP Snooping: More Security for Your Network

DHCP snooping makes a network more secure. There are no two ways about it: DHCP makes network configuration so much easier. This is especially the case in large networks, where devices are constantly changing and the manual assignment of IP addresses is a never-ending task. Yet by using DHCP to simplify the process, you do relinquish controls, and criminals can take advantage of this. By using...

MAMP: the practical software stack for Mac OS X

MAMP: the local development environment for Mac OS X

If you’re developing a website, it’s important to regularly ensure that all the elements function as intended. Although there are no specific tools required for creating a basic info page with static content, it’s not possible to preview a project containing dynamic elements without some additional tools. The simplest solution is to use an all-in-one development environment like MAMP.

Bonjour: Software for zero configuration networking

Bonjour: What’s behind the zeroconf implementation

Manually organising a large local network can be a nerve-wracking and very complicated matter. Without your own DHCP and DNS servers to support you in the distribution of addresses and name resolution, all IPs would have to be entered manually and also updated independently if changes are made in the network. Zeroconf implementations like Bonjour, which connect network components almost without...

What is ARP? – Address resolution in networks

What is ARP (Address Resolution Protocol)?

When computer information is sent in TCP/IP networks, it is first decompressed into individual data frames. In this way, you can transfer data of nearly unlimited size. The frames also contain the target system’s MAC address, without which a transmission would not be possible. If the physical address is not known, the sender must first be determined using the ARP Address Resolution Protocol. Here,...

Provide Raspberry Pi with a static IP address

Equip Raspberry Pi with a static IP address

Both the private Raspberry Pi IP address and the public IP address of the internet connection are constantly changing for most users. Such dynamic IP addresses aren’t practical for the use of a minicomputer. But if you want to use server software effectively on your Raspberry Pi, you need a static IP address for the computer in the local network. The internet access used to make the server...

DHCP: An overview of the Client/Server protocol

DHCP: What’s behind the Dynamic Host Configuration Protocol

If you’re connected to an internet router and power on your computer, it automatically obtains the necessary network parameters, such as the IP address, subnet mask, or DNS server. This is made possible by the Dynamic Host Configuration Protocol (DHCP), which simplifies address assignment when connecting to the internet and makes setting up local networks easy as pie.


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