Firewalls / Access Management
Just about every business needs to use the Internet
whether it is for web research, email, remote working or VOIP. But introducing a
gateway from your internal LAN to the Internet also creates a potential gateway
into to your network for any mischief maker or malcontent. This is particularly
true for the increasingly popular “always on” connection services like ADSL and
leased lines.
Without a firewall to protect the gateway your network is a sitting
duck. Firewall solutions sit at the boundary of the network in line with the Internet
gateway connection. All traffic to and from the Internet must go through the firewall
and be “inspected” and checked against the set of rules that define what traffic
flows are allowed or disallowed and what activity logging should be carried out
for reporting purposes. As such the firewall has to carry out a rapid assessment
of the type and purpose of the traffic, its source and destination and its conformance
with the security policy and the rules that define that policy. It is vital that
the firewall is able to handle traffic at a fast rate so that the security system
does not become a bottleneck that limits the service.
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