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Networking/Remote Access

Whether you need to connect a couple of computers or multiple states, Ability IT has the expertise required to meet your connectivity requirements. We are specialists in Office Connectivity, Virtual Private Networks and Remote Access Solutions. We can provide best of breed solutions or budget systems to suit.

VPN/ Remote Access

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or individual users with secure access to their organisation's network. A virtual private network can be contrasted with an expensive system of owned or leased lines that can only be used by one organization. The goal of a VPN is to provide the organization with the same capabilities, but at a much lower cost.

A VPN works by using the shared public infrastructure while maintaining privacy through security procedures and tunnelling protocols such as the Layer Two Tunnelling Protocol (L2TP). In effect, the protocols, by encrypting data at the sending end and decrypting it at the receiving end, send the data through a "tunnel" that cannot be "entered" by data that is not properly encrypted. An additional level of security involves encrypting not only the data, but also the originating and receiving network addresses.

In some cases you can setup a VPN without the use of any additional hardware.

If you are a business on the move and you require access to you business data then a VPN solution is what you are after. It provides highly secure access over the internet to your business information including files and emails. It can allow you to pick up files that you left at work retrieve and send emails from a centralised source so that when you are back in the office emails that you have sent and received are available to you and not left on a laptop or pocket PC. If you are considering contracting employees to your business that might work from home or if you have offices across the city or even country this is a cost effective solution that allows everyone to have centralised access to your business information.


With the rapid popularisation of the internet, the term firewall is commonly used in computer networking. Like the firewalls used in homes and buildings, computer firewalls act as a barrier between computers on a network. For companies with a computer network or for individuals with a permanent connection to the internet (such as through ADSL or cable), a firewall is critical. Without a firewall, intruders on the network would likely be able to destroy, tamper with or gain access to the files on your computer.

Firewalls can come in the form of hardware or software. Without getting into the complex details of how firewalls work, suffice it to say that function with a set of filters that are constantly monitoring traffic on the network. Whenever a packet of information triggers one of the filters, the firewall prevents it from passing through in the attempt to prevent damage. Of course, firewalls sometimes block wanted traffic, and through a continual process of refinement, the filters can be customised to improve their efficacy.

Many computer users who access the internet via a broadband router, may already be benefiting from a firewall. The router itself may be configured to serve as a firewall; any nefarious attacks from the network, are halted at the router thereby sparing any ill effects to the computer. Such a hardware firewall can be further bolstered with a secondary line of defense in the form of a software firewall; you can never be too safe when using the internet!

Wide Area Networks

If you need to connect sites over wide areas such as different suburbs, states or even countries there are a number of options available.