Category Archive Tech Blog

ECSE 4-Day Classroom Training Course

Become a master at deploying & troubleshooting Wi-Fi

Date – Monday 24th of September to Thursday 27th of September inclusive

Location The Cliff @ Lyons www.cliffatlyons.ie

Cost €2,295 per person

Trainer Keith Parsons from www.wlanpros.com

This 4-day course consists of classroom lectures and labs taught by Wi-Fi experts. Learn how to design, optimize, and troubleshoot better Wi-Fi using Ekahau products.

  • Designed for Wi-Fi systems engineers, IT administrators, and other wireless professionals.
  • Dive into all aspects of Wi-Fi life-cycle management including RF fundamentals, predictive designs, spectrum analysis, and much more
  • Receive a highly regarded Ekahau Certified Survey Engineer (ECSE) certification after passing the certification exam
  • Maximum of 12 people per class

Audience

This course and certification are designed for Wi-Fi systems engineers, IT administrators, and others working with Wi-Fi, who require an in-depth knowledge on how to deploy and maintain Wi-Fi networks using Ekahau Wi-Fi tools.

Content

Wireless LAN and RF fundamentals

  • The life cycle of a Wi-Fi network
  • How to design and deploy robust Wi-Fi networks
  • Product installation & activation, basics
  • Pre- and post deployment Wi-Fi site surveys
  • Troubleshooting Wi-Fi issues
  • Spectrum Analysis
  • Reporting
  • ECSE Certification Exam

Prerequisites

Students are expected to have the following skills & knowledge before attending this course:

  • Basics of networking
  • Strong general computer skills
  • CWNA recommended (Not required)
  • Windows laptop with Admin rights for installing software

Course Objectives

At the end of this course the student will hold expert knowledge in designing, deploying and troubleshooting Wi-Fi networks, using Ekahau Wi-Fi tools. The knowledge applies to all Wi-Fi network brands. A certification exam will be held at the end of the course.

Download ECSE training datasheet

Call us now on +353 (1) 4011064 or email training@ethos.ie to book your place.

LANCOM releases LCOS 10.20 Release Candidate 1

LANCOM Systems have recently released a preview of LCOS 10.20 and upcoming free firmware package for LANCOM APs, Routers, Central Site VPN Gateways and Wireless LAN Controllers. LCOS 1020 is currently offered as Release Candidate 1 and is not intended yet for production environments.

Feature-Highlight for the LCOS 10.20 RC1

  • More Wi-Fi control – Individual Wi-Fi passwords for clients with LEPS-U and LEPS-MAC
  • Best Wi-Fi – Top quality in the wireless network due to Client Management
  • Always up to date – Automatic LCOS updates thanks to the Auto Updater
  • More flexibility – Easy use of NAT in firewall rule

LEPS-U & LEPS-MAC

Keep control of who is in your Wi-Fi. With LEPS-U (LANCOM Enhanced Passphrase Security – User), individual clients or entire groups each receive a unique Wi-Fi password for an SSID. Using LEPS-MAC, you additionally authenticate the clients by their MAC address—ideal for secure corporate networks.

Client Management – for best-ever Wi-Fi

Client Management steers Wi-Fi clients to the best available access point and frequency band. This feature improves the quality of wireless networks of all sizes—whether they operate stand-alone or orchestrated by the LANCOM Management Cloud. The popular Band Steering and Client Steering, which so far were separate features, have now been combined and even operate without a WLAN controller.

Auto Updater – always up-to-date (Coming in LCOS 10.20 RC2)

The Auto Updater keeps your installations up-to-date automatically: If desired, LANCOM devices can search for new software updates, and download and install them without any user interaction. You can choose whether to install only security updates, release updates, or all updates automatically. If automatic updates are not desired, the feature can still be used to check for new updates, which can then be installed with a single click.

WAN Policy-Based NAT

WAN Policy-Based NAT allows an easy assignment of static WAN IPv4 addresses to desired services. Due to a NAT action in the firewall rules internal addresses are masked behind a WAN address from the Internet access provider. Ideal for scenarios e.g. for the operation of mail servers and web servers with different WAN addresses.

More Features

DSL bridge mode
VDSL routers now operate optionally in DSL bridge mode. This allows a device to work purely as a DSL modem. Ideal for scenarios where multiple DSL connections are operated on one router.

Even more flexibility for the LANCOM vRouter
The LANCOM vRouter now supports the Microsoft Hyper-V virtualization platform. Furthermore: Managing the vRouters is now even easier, because firmware updates are easy to import as a UPX file.

Layer-3 tunneling with the LMC
Entire Wi-Fi scenarios with overlay tunnels securely isolating the different networks can now be implemented with the LANCOM Management Cloud. As an alternative to the WLAN controller, layer-3 tunnels can now be established from the access point to a router also for LMC-based scenarios (based on L2TPv3). This allows traffic to be directed through an existing infrastructure (routers, switches) without the use of complex VLANs.

OCSP responder – more power for Smart Certificate
Maximum security with VPN access: Smart Certificate is the easy way to create digital certificates with your LANCOM device—without any need for an external certificate authority. This feature has now been extended to include the OCSP (Online Certificate Status Protocol) network protocol, which enables clients to automatically and efficiently query the integrated CA for the status of X.509 certificates.

LISP (Locator / ID Separation Protocol) support
The Locator / ID Separation Protocol (LISP) is a new routing architecture. LISP allows the implementation of highly scalable networks with an integrated routing protocol, tunneling, and overlays. Ideal for service providers or enterprise networks.

Public Spot CSV import
Public Spot management is now even easier: Hotspot users are easily imported and exported by text file (CSV).

Download

For more information and to download LCOS 10.20 RC1 to test please follow the link below.

https://www.lancom-systems.com/produkte/firmware/lcos-1020-rc1/

Ekahau Site Survey Version 9.1 – What’s New ???

Feature Summary

  • macOS version is out of beta!
  • Support for Ekahau Sidekick™
  • Real-Time Frequency Monitor 2.0
  • Improved UI look & feel

macOS version is out of beta!

ESS is now officially available for macOS, including simultaneous passive and active / throughput testing as well as spectrum analysis. Sidekick is the only supported external “adapter” for macOS, and GPS assisted surveys is still missing.

It’s been long, long, LONG time coming but it’s finally here! Ekahau Site Survey for macOS is now finally out of beta. “Out of beta” in this case means that macOS version is now feature complete and up to par* with its Windows counterpart. This in turn means that survey parts on macOS have been beefed up considerably and endless number of creases and wrinkles have been ironed out by our dev team.

The most worthwhile new features on the macOS version are the ability to do comprehensive passive surveys with the new Ekahau Sidekick™ and active surveys with the internal Wi-Fi adapter. No longer you need to attempt to do passive surveys with only the internal adapter and squint your eyes at the results while thinking “Maybe this’ll do?”.

Active surveying is also another critical growth spurt ESS macOS version had to take to measure up to its Windows version big brother. This covers both methods of active surveying: Ping and iPerf**. These features work exactly the same way as on Windows with all the usual functionalities and settings. However, we don’t have our iPerf server component (Ekahau Edition) yet properly converted to macOS version, so you might still want to set up the iPerf server on a Windows computer (at least if you’re using our Ekahau solution).

While Ekahau Sidekick™ is fully supported on macOS, unfortunately you cannot use the other external adapters (NIC-300 or SA-1) for passive surveys on that platform.

If you wish to experience the wonders of the macOS version for yourself, you can find it here: www.ekahau.com/download/ess

*”Remember when I said ‘up to par’ – I lied!” – GPS Survey is not supported on macOS

**Iperf support on macOS is this month’s bonus feature for you, our friends! However, the iperf implementation isn’t yet completely fine-tuned and doesn’t necessarily work on all macOS setups. We’ll be sure to work on it some more in the future releases!

Support for Ekahau Sidekick™

Ekahau Sidekick is the first ever Wi-Fi site survey device, and houses 2x enterprise-grade Wi-Fi adapters and an outstanding spectrum analyzer. It’s what we highly recommend for site surveys and troubleshooting – whether on macOS or Windows.

Ekahau Sidekick™ is our brand spanking new device for all your site survey and troubleshooting needs and a perfect companion for ESS. This lovely rectangle of a device boasts two high-quality 802.11ac Wi-Fi adapters, which allows you to perform high-quality passive surveys. This square-shaped powerhouse also houses a state-of-the-art dual-band spectrum analyzer, which offers spectrum results with unparalleled speed and resolution.

Ekahau Sidekick™ packs all these capabilities into one conveniently sized and easy-to-carry solution. You no longer need to turn your computer into a sci-fi movie prop with multiple different adapters and dongles sticking out of it, but instead you can just plug in one single device with all the needed functionalities. This is Plug & Play at its simplest and most refined form.

Ekahau Sidekick™ also finally allows you to do full passive and spectrum surveys on Mac as well, if that would be your platform of choice.

If this piqued your interest, you can find more about Ekahau Sidekick™ and its features from here: https://www.ekahau.com/products/sidekick/overview/

Real-Time Frequency Monitor 2.0

With the launch of Sidekick, we also wanted to beef up our Real-Time Frequency Monitor feature, so we added zooming, better customizability and more.

In addition to other heavy hitters, we’ve also given our Real-Time Frequency Monitor a substantial upgrade. Part of upgrades are about making this feature optimized for the AWESOME POWER of Ekahau Sidekick™ – all the awesomeness does take its toll on the computer. However, some of the upgrades are readily visible for the users.

Frequency Spectrum view has been now equipped with various new settings to let you decide what you want to see in this view and how you want to see it. Want to see spectrum in all its glory without Wi-Fi lines scribbled all over it. Done. Spectrum sweep averages with point density? Can do.

With the introduction of Ekahau Sidekick™, the spectrum scans are now much more detailed and higher resolution. This means that the finer details of results can get lost when viewed across the entire Wi-Fi spectrum. That’s why we have now also implemented zooming for Frequency Spectrum view, so you can drill down to finer details more easily. 2.4Ghz band has two zoom levels and 5Ghz band has three zoom levels.

If you’re using multiple screens with ESS or you are just tired of RTFM hogging half of the space on your main window, you’ve probably already discovered detaching RTFM into its own window. If this is a new feature for you, just click the odd icon next to the black arrows on the right side of the screen to make it happen.

In ESS 9.1.0 we have given this separate RTFM window a complete overhaul and added a fistful of customizability into the mix! You can now freely select which views you want to use on the detached RTFM window – just click the dots in the corner of the view to start!

Improved UI look & feel

Minor facelift.

Last but not least – well, maybe in this tough crowd – we’ve also given ESS user interface a proper dusting and a new paint job. As part of our changes, we also aimed to modernize and streamline the UI look and feel. Additionally, we’ve also made an effort to make Windows and Mac versions feel and look as similar as possible for consistent experience.

Don’t worry, we’ve not maimed ESS so it’s unrecognizable or anything. You’ll be able to find all the features in more or less in their familiar places, but the presentation is now less 2004 and more 2018.

That wraps up the new stuff in ESS 9.1.0! You can find more details in our release notes, if you wish to delve deeper in what we’ve been up to.

We’re always eager to hear more from you, folks! The easiest way to give us a shout are the following: @ekahauin Twitter or through our Support portal

Have fun!

Hannu Saarinen

The New Product Guy

Disabling SSLv3 & early TLS for PCI DSS compliance

PCI Compliance – SSL the time to migrate is now.

For over 20 years Secure Sockets Layer (SSL) has been in the market as one of the most widely-used encryption protocols ever released, and remains in widespread use today despite various security vulnerabilities exposed in the protocol. SSL/early TLS was removed as an example of strong cryptography in PCI DSS v3.1 (April 2015).

SSL v3.0 was superseded in 1999 by TLS v1.0, which has since been superseded by TLS v1.1 and v1.2. Now SSL & early TLS no longer meet minimum security standards due to security vulnerabilities in the protocol for which there are no fixes. It is critically important that entities upgrade to a secure alternative as soon as possible, and disable any fallback to both SSL and early TLS.

PCI Compliance – How should businesses respond.

The best response is to disable SSL entirely and migrate to a more modern encryption protocol, which at the time of publication is a minimum of TLS v1.1, although entities are strongly encouraged to consider TLS v1.2 as not all implementations of TLS v1.1 are considered secure.

PCI Compliance – How do I ensure SSLv3.0 is disabled on my LANCOM router.

SSL v3.0 is already disabled by default in LANCOM routers beginning from LCOS 8.84RU4 and LCOS 9.00RU3 or later, however this is only true for devices that are factory defaulted with this LCOS version. For devices that have been running with prior versions of LCOS SSL v3.0 is likely still enabled and resellers have two options to remedy.
  1. If the router has a minimal configuration, upgrade the router to at least LCOS 8.84RU4 or 9.00RU3 (we recommend latest LCOS 10.12RU2 if router is capable), then factory default the router and configure from scratch.
  2. If the router has an extensive configuration we again recommend to update to the latest firmware possible and then apply the appropriate script found on LANCOM knowledge-base here.

PCI Compliance – Will disabling SSLv3.0 mean LANCOM routers pass PCI DSS compliance scans?

Yes but PCI DSS compliance scans from Approved Scanning Vendors check more than just SSLv3. After June 30, 2018, all entities MUST have stopped use of SSL & early TLS as a security control, and use only secure versions of the protocol.  Failure to comply with this instruction will impact ASV scan results and will ultimately negatively impact on PCI compliance. A document on the PCI DSS requirements regarding SSL & early TLS can be read here.

For the convenience of LANCOM resellers looking to future proof their customer’s SSL/TLS settings, as well as pass PCI DSS testing now and into the future, we have formulated a script that will disable every instance of SSL v3.0, TLS v1.0 and TLS v1.1 leaving only the latest TLS v1.2 enabled. This script also locks down other security algorithm settings to ensure LANCOM routers will pass PCI DSS compliance scans.

Note this script requires LCOS 10.x or greater and carries out the following actions.
  • Disables SSLv3.0,
  • Disables TLSv1.0
  • Disables TLSv1.1
  • Disables RC4-40, 56, & 128 Crypto-Algorithms
  • Disables DES, DES40 & 3DES Crypto-Algorithms
  • Disables 3des-cbc & 3des-ctr Cipher Algorithms
  • Disables Arcfour, Arcfour 128 & Arcfour 256 Cipher Algorithms
  • Disables Blowfish-cbc & Blowfish ctr Cipher Algorithms
  • Disables hmac-md5 & hmac sha1 MAC Algorithms
  • Disables DH Group 1 & 14 Key Exchange Algorithms
  • Disables Diffie Hellman Groups 1 & 5
  • Disables *ALL WAN remote access except for SSH

*Note HTTPS WAN remote access can be enabled if a valid SSL certificate from a trusted Certificate Authority is loaded into the router. Even with HTTPS disabled you can still fully manage a LANCOM router over SSH Port 22 using the latest version of LANconfig and the CLI.

 
With special thanks to Gabriel McEvoy of Sysnet Global Solutions for his help & patience testing this script.

How to resume Windows 10 initial setup (OOBE) after a power interruption.

When a new PC running Windows 10 is going through its initial setup routine, also known as the Out Of Box Experience (OOBE), it is susceptible to to corruption of the routine it the unlikely event of a power interruption.

If a power interruption does occur during OOBE then there is a likelihood of the following on screen message being displayed during the next boot. Pressing OK at this state causes the PC reboot but it will show the same error message and so on in a loop.

The problem can be easily fixed by making a small change to a registry key.

The procedure is as follows.

  1. When the error above appears please press “Shift + F10” to start the Command Prompt.
  2. At the command prompt type “Regedit” and press ENTER.
  3. Navigate to “HKEY_LOCAL_MACHINE\SYSTEM\Setup\Status\ChildCompletion”
  4. In the right hand pane Right Click “setup.exe” and click “Modify”.
  5. Change the “Value Data” field to 3 and Click “OK”.
  6. Close the registry editor, close the Command Prompt and Click “OK” on the error message.
  7. The PC should restart and then commence OOBE again.

 

Are LANCOM devices affected by the “KRACK” attack on WPA2?

The security loophole named KRACK is a vulnerability in the WPA2-key handshake used for secure communication in Wi-Fi networks. This vulnerability is a man-in-the-middle attack, whereby the key negotiation between a client and an access point is manipulated in such a way that an attacker can intercept the data communication.

There are three possible attack scenarios:

  1. A vulnerability in the key handshake is exploited at the client end of the connection. In this case, the manufacturer of your client must provide a fix.
  2. A LANCOM device operated in client mode is also vulnerable to the key-handshake exploit. This scenario is currently being clarified.
  3. A LANCOM access point is operated as a base station and offers fast roaming (802.11r). In this scenario, LANCOM devices with Wi-Fi are also affected. The default settings for this feature are disabled, which means there is no risk on the LANCOM device side.

LANCOM are currently working on a security update for fast roaming (802.11r) and it will be released as soon as possible. The following describes where you can check to see if you are using fast roaming (802.11r) and, if applicable, how you disable it.

To deactivate fast roaming (802.11r) on a Wi-Fi enabled router or access point, activate the standard settings for “WPA2 key management” for all of the affected SSIDs.

You can adjust this setting in LANconfig under:
“Wireless LAN -> Encryption -> WLAN encryption settings -> Wireless network X”
on the tab “Advanced -> WPA2 key management”

To deactivate fast roaming (802.11r) on a network managed by a WLAN controller, activate the standard settings for “WPA2 key management” for all of the affected SSIDs.

You can adjust this setting in LANconfig under:
“WLAN controller -> Profiles -> Logical WLAN networks (SSIDs)… -> Name of the SSID -> WPA2 key management”.

For more information on the KRACK attack please see the website related to the discovery below.

https://www.krackattacks.com/