ACS Aviation Solutions is a leading global professional services organisation that specialises in compliance, safety, and operational excellence in the aviation industry. It is one of only eight companies worldwide – and the only organisation in the southern hemisphere – authorised by the International Air Transport Association (IATA) to conduct safety audits on airlines. Other services include operational reviews, specialist aviation training, recruitment, finance and leasing. For more than a decade, the company, which maintains offices in Melbourne, Dublin and Tokyo, has successfully completed hundreds of projects around the world, working with large international carriers and small local charter operations.
Jorge Silveira, IT Manager of ACS Aviation Solutions, describes the organisation as a small business with a considerably large network management requirement. "We run an enterprise-grade infrastructure with virtual machines, thin clients, physical computers, high availability servers, Windows services, backups and more," Silveira explains.
From an IT perspective, ACS has approximately 20 power users working across the three offices, plus another 50 auditors and field workers who require remote access. Given the nature of ACS' work, all data is highly confidential and security is paramount.
To protect the network, Silveira deployed a WatchGuard XTM 330 unified threat management (UTM) appliance in the Melbourne office. The XTM 330 is designed for small enterprises that require the next-generation of network security. It combines firewall functionality and a suite of security options with fast throughput and advanced networking features, including state-of-the-art management and reporting tools.
"I was looking to increase security and had worked with WatchGuard products before," says Silveira. I like the fact they [WatchGuard appliances] are easy to use, have an excellent user interface, and they offer enterprise-grade features at low cost. In terms of traffic monitoring, I can log into the system and monitor what comes in and out of the network. I can see what traffic has been blocked and can determine whether it should be allowed or not."
Shortly after deploying the XTM appliance, ACS upgraded its internet to fibre. "With that [fibre], we got a range of IP addresses and WatchGuard has been able to handle all those addresses correctly, exactly the way I want them handled within the network," explains Silveira. "For example, one address is used for remote users, another is for Internet traffic, another is for telephony traffic, and so on."
When ACS relocated its Dublin office, Silveira used the opportunity to deploy a second WatchGuard XTM 330, which he then connected to the XTM in Melbourne, creating a secure site-to-site connection and a highly reliable virtual private network (VPN) tunnel. Next, using the tunnel and Windows 2012 Server replication capabilities, Silveira set the system up so that all activity on the Dublin server would be replicated in Melbourne in real time, and so that all Melbourne activity would be replicated in Dublin.
The result-- a secure network that hosts the company intranet, supports collaboration due to ease of document sharing, and provides reliable, robust disaster recovery capability.
"It allows people to view our infrastructure as one single network," notes Silveira. "If anything happens to users in one site, they can still securely access their files from the other."
The infrastructure was tested earlier this year when the domain controller in Dublin went down due to a hardware interruption. Because the server was not available, Dublin traffic was rerouted through Melbourne, enabling all staff to log on and operate as normal.
"The WatchGuard XTM 330 is not just a firewall. Yes, we use the firewall component, but we also use the gateway to create a branch-to-branch VPN tunnel," Silveira adds.
In the next few months, Silveira plans to begin using the XTM appliance to manage VPN connections for remote users. This will ensure validation of connections occurs at the firewall, rather than in the server. Silveira likens the approach to a doorman who asks visitors to wait outside while he checks their credentials, rather than first inviting the stranger in. The upshot is that traffic is validated between the firewall and the server, rather than between the server and the user. It's an important distinction as it provides yet another layer of protection for the network.
Silveira admits that there's a great deal of functionality on the XTM 330 that he has yet to tap. He hopes to use the devices to establish a fully redundant internet connection for both the Melbourne and Dublin sites before the end of the year, and is interested in pursuing Application Control further down the line.
"WatchGuard products are very attractive for the price they charge and their support is among the best I've ever had. The company's response times are unbelievable. WatchGuard has definitely enabled ACS to take the next step in expanding the business internationally by providing office-to-office communication and a pretty bulletproof disaster recovery system," Silveira assesses.
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WatchGuard has definitely enabled ACS to take the next step in expanding the business internationally by providing office-to-office communication and a pretty bulletproof disaster recovery system.
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