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Public Wi-Fi Role & Importance for the development of Smart Cities
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In the future, a lot of thin... View More
Public Wi-Fi Role & Importance For The Development Of Smart Cities - EZELINK
In the future, a lot of things in smart cities will happen automatically: the application of the clinic, based on the data from the fitness bracelet, will sign up for a medical examination, and the ci
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Smart DDI (DNS, DHCP, IPAM) Solution
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Smart DDI (DNS, DHCP, IPAM) Solution - EZELINK
Today we start our journey by discussing IP addresses, what they are and why we use them. We will then introduce the DHCP system, how it works and what are
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Dailygram ... The Business Network
Dailygram is the one and only business network, where thousands of new products and services are listed everyday. Share files, photos, and videos. Connect with potential new customers and suppliers. B
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Sophia Taylor
posted a blog.
Wi-Fi in the office is convenient, but not always secure Office Wi-Fi can be a weak point in your security system. Almost every office has its own Guest wifi solutions, and sometimes there is more than one. In the modern world, it is difficult to do without wireless Internet: few people want to connect laptops using a cable, and with smartphones and tablets this is often completely impossible. However, a wireless network can be a weak point in your IT infrastructure.
Password Guessing
Not all companies come up with a complex and unique password for their wireless network. Disable the broadcast of the network name – and even less. And only those who limit the signal power in order to exclude the possibility of connecting to the network from the outside are generally few. Thus, nothing prevents an attacker from locating near the office and trying to penetrate the corporate network via Enterprise wifi solutions. After all, it can take only a few seconds to brute force simple passwords. Hacking complex combinations will take more time, but if you do not change your password for a long time, then the attacker has nowhere to rush. However, this is not always necessary – in the case of some routers, an attacker can also take advantage of “holes†in the firmware.
Enterprise WiFi Solution
Vulnerabilities are constantly discovered in network equipment that allow attackers to attack the network bypassing passwords and other protective mechanisms of your Wifi6 wireless solutions router. In some cases, thanks to this, they can obtain superuser rights on the device and then dispose of them at their discretion. Patches for such vulnerabilities are released regularly enough. The only trouble is that many organizations are in no hurry to install them in a timely manner.
Office WiFi Solutions
Many companies use different Outdoor wifi solutions networks for employees and guests. This is a reasonable measure: on the one hand, clients and other visitors to the office can connect to the Internet, on the other hand, they will not have access to the corporate network and internal resources of the company. However, guest Wi-Fi can also work against you.
Getting a password for a guest Wi-Fi is easy enough – that’s his idea. At the same time, in some cases – with incorrect configuration of network policies – through the guest network, you can get access to individual elements of the corporate infrastructure. For example, attackers can often get to printers in this way.
Even with proper configuration of guest Wi-Fi, your employees can unwittingly put you in jeopardy. Let’s say one of them wanted to go to a site that is denied access by corporate policies. Without thinking twice, he connects a laptop or smartphone with work data to a visitor hotspot. If attackers connect to the network at this moment, they will be able to launch a MitM attack and infect the employee’s computer.
WiFi Vulnerabilities
How to make office Wi-Fi less vulnerable?
Ditching Wifi solution for safety reasons is like ditching your car because you risk getting into an accident. We believe it is better to be smart about organizing and configuring your network:
Update the firmware of access points: manufacturers are constantly patching existing vulnerabilities in them.
Set a unique, long, complex, and non-obvious password for Hotel wifi solution access. It will be enough for your employees to enter it once on each device, and for cybercriminals, network hacking will become much more difficult.
Limit signal strength so that your network is not available outside the office. Better to hide the name of the network altogether – this will make it harder to find. By the way, it is better to use an unobvious name too (at least without the name of the router model): otherwise, it will be easier for attackers to find a suitable vulnerability.
Office Cloud Managed WiFi
Do not give users of the guest network access to internal Cloud managed wifi solutions company resources. You may have to deny your visitors some conveniences (like the ability to print a document on your printer), but you will significantly reduce the risk of data leakage.
Use reliable Office wifi security solutions. In this case, attackers, even if they get into your network, will not be able to do significant harm to workstations and servers.
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Sophia Taylor
posted a blog.
https://ezelink.com/i/blog/wifi-solution-temporary-rental-events-festivals/
Today wi-fi has become an integral part of any mass event. The bulk of the participants are business people who must constantly be in touch, have access to corporate resources and the Internet. Therefore, Wi-Fi should not only “shineâ€, but also “workâ€.
Some of the major aspects you need to consider for any event wi-fi solution:
Event WiFi Solutions
A large number of users (up to several thousand) are concentrated in a limited area. Often, such events have a main conference room, which brings together almost all participants (plus speakers, organizers) who need Internet access. You also need to organize Wi-Fi in other rooms with a lower density of users.
Connecting to the network should be simple. Those. to connect to a wireless network, the participant does not have to perform any settings on his mobile device (setting the type of authentication / encryption).
Festival WiFi Solution
Festival Wi-Fi Solution users should be divided into groups (participant, presenter, organizer). Each group has corresponding connection policies (speed limits, services, directions).
Wi-Fi users should be divided into groups (participant, presenter, organizer). Each group has corresponding connection policies (speed limits, services, directions).
The system should keep statistics about users: the total number of associated users, their distribution by AP, the average user traffic. It is also useful for a wireless network administrator to have the operation logs of the radio environment monitoring system (for the presence of “alien†APs and wireless attacks).
Outdoor WiFi Solutions
To meet the above requirements, as well as to fulfill the main task of event organizers (Wi-Fi must “workâ€), wireless installers must adhere to some recommendations. These rules are not a dogma and are not described in any international standards for organizing Outdoor Wi-Fi Solution networks at public events. Variations are also possible depending on the configuration of the premises (area, type of partitions: open space, light partitions, brick walls, etc.), the total number of participants, their distribution in the halls, requirements for access speed. Everything described below is based on the experience of installing such systems by the specialists of EZELINK.
A little about our experience. In all projects we use the inhouse manufactured equipment. Since 2004, we have been participating in the Wi-Fi installation at the annual events and exhibitions in Dubai. More than 20, 000 people gather at the conference and actively use Wi-Fi.
Dubai Outdoor Events
EZELINK also organized Wi-Fi at the Rugby7 (event WiFi Rental), Interpol, KISS, Dua Lipa events in Dubai. Let’s describe the basic principles of Wi-Fi network installation using the example of the Emirates Rugby Sevens Annual Sports event.
Before the start of the event, our specialists went to the site. According to the requirements of the organizers, the total number of simultaneous connections is 3,000. All users during the event were spreader over 3 sq km area including, retail outlets, recreation areas, commentary box, contractors, staff and guests. For normal operation of the AP (and the speed per client was slightly less than 3 Mbps), we believe that each AP radio should have no more than 35 simultaneously working clients. From the experience of past installations, it can be seen that about 30% of clients work at 5 GHz and 70% at 2.4 GHz, we get 210 g / n Wi-Fi clients and 90 a / n Wi-Fi clients.
Multiple SSIDs were organized for all participants: broadcasted in the 2.4 GHz band and 5 GHz band. Dedicated SSIDs were allocated for presenters, staff and hosts. The role (policy) was assigned to the client based on the results of his authentication.
When registering each Wi-Fi participant, he was given a PIN-code. The participant connected to the open SSID, then, when the Internet browser was opened, he was redirected to the registration WEB page, where he entered his PIN-code. For all PIN-codes in the system, users were created who were assigned the corresponding role. Thus, all participants connected to any of SSID (depending on the selected range) and received a role according to the requirements of the organizers.
Wi-Fi Access Points were located according to preliminary survey at a height of no more than 3 m above the floor. This was done to increase the coverage area of ​​the AP (due to the radio signal conflict of mobile devices of the conference participants). Wi-Fi clients who were in the coverage area of ​​one AP saw neighboring APs with a noticeably lower signal level (by 10-15 dB) and do not try to “jump†on them, which increases the speed of their work by reducing service traffic. In addition, local coverage areas allow channel reuse in the 2.4 GHz band.
Event WiFi Access Points
By placing the AP on the ceiling (high on the walls) and without limiting the radiation power, we got large coverage areas that was overlap. In the case when there was more than three APs operating at a frequency of 2.4 GHz in the room (as in our case, there were many of them in the stadiums), using the same frequency channels, we got a strong mutual influence and, as a result, an increase in bandwidth.
Since there were only three non-overlapping channels in the 2.4 GHz band, and in the stadium alone, 39 APs were used, the level of the radiated power of the APs in this range was manually underestimated. In a practical way, it was determined that the optimal level is 13 dBm (20%).
In the 5 GHz range, the number of non-overlapping channels were 12. 8 and allowed to be used indoors without obtaining frequency permission (channels 36 – 64). In our configuration, only two channels were reused, so the transmit power was left at 100%.
AP operating modes settings system has a Minimum Transmit Rate (MTR) parameter. On all APs, it was set to 24 Mbps. The 802.11 standard contains a procedure for switching a Wi-Fi client to a lower speed when receiving conditions deteriorate – Dynamic Rate Shifting (DRS). The client reduces the modulation rate, which decreases the operating speed, and increases the sensitivity threshold. In our case, this could have been lead to serious problems. Since each client makes the decision on roaming individually, many (mobile wifi for festivals )mobile devices would try with their last bit of strength to cling to the AP with which they were originally associated. In this case, the speed could drop to a minimum (1 Mbps) and there was a large number of retransmits.
Event WiFi Advantages
MTR does not allow the Wi-Fi clients to slow down below the specified speed. Therefore, it cannot reduce the modulation rate below a certain value, and accordingly increase the sensitivity threshold. MTR 24 Mbps limits modulation to 16 QAM. Due to this, clients will not “see†distant APs and try to associate with them, and when switching to another AP, they will make the decision about roaming faster.
We disabled 802.11b support for all APs operating in the 2.4 GHz band. Accordingly, only 802.11g / n clients were supported. This restricted our network from “slow†and “overly sensitive†clients that could create the problems described above.
Festival wifi solutions
Event wifi solutions
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WiFi Solution for High Density, Temporary & Short Term Events
Today wi-fi has become an integral part of any mass event. The bulk of the participants are business people who must constantly be in tou... View More
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