Security appliances keep mail stream clean | gcn (government computer news) reprint from proofpoint
4.4.05The TechnologyPublication for Government
Security applianceskeep mail stream clean
SHORT STACK: Network appliances such as those from Panda Software, Proofpoint Inc. and CipherTrust
(top to bottom) are playing a growing role in keeping malware out of e-mail.
siders, is to simply unplug your router.
world, they have instead relied on a cen-
Appliances act as sleepless guards, scan-
learned to exploit holes that exist in the
firewall to let in valid traffic. And a gate-
selves or sit directly behind the firewall.
before they can get a foot in the door.
way to a client system—before challeng-
to make sure every single client is up to
Reprinted from Government Computer News April 4, 2005.Copyright Post Newsweek Tech Media. All Rights reserved.
is flagged as spam or virus-laden, it can
affect productivity and cause a networkmanager to lose confidence in his secu-
only five were incorrectly quarantined. That is less than one percent of the total
on real-time blackhole lists to help iden-
connection to check the lists, which itdoes for each message. This created a
work to have between 10 and 60 userssending or receiving e-mail at the same
Helping keep spam in the
on the Barracuda. By the time our testended, an incoming message had to
delivery. That’s a significant lag time.
At first glance, the Barracuda seems like
test its effectiveness. We also sent what
Firewall 300 is less than half the size of
filled. But waiting that long for e-mail is
It does not have the ability to scan out-
that charge by the seat. It also is the only
let through 3.5 percent of the viruses we
does require users to log in using a con-
box in this review that is almost ready to
sole interface, at least initially. The con-
sole interface is simple and easy to con-
figure. All you need to do is set the IP of
interface for further configuration.
you’re able to discover and deliver them
Barracuda Networks Inc., Cupertino,
mail traffic for both spam and viruses. Calif., 408-342-5400, www.barracud-
viruses, but it also tended to filter out
cent accuracy rate. In the virus test, we
like set of queues, each one scrutinizing
such as viruses, spam or illegal content.
STRONG POINTS: Proofpoint offers an especially well-
a unique way. First they are put into the
If you are willing to invest a bit of extra
did not generate any false positives. CipherTrus, Inc., Alpharetta, Ga., 678-
ance’s antivirus protection is probably
the “join” queue and passed on to the
most users, but it proved a bit of a stum-
the lab to try and tweak their settings, it
maintained without special training.
work, for a 96.5 percent accuracy rate.
client, or you can restrict access to a cer-
review to achieve full 100-percent effec-
might not want it as your only virus pro-
Panda Software Inc., Glendale, Calif.,
plug-and-play, but it’s pretty close. 818-543-6901, http://us.pandasoft-
tive in killing spam. It was able to catch
effective. What’s more, it did not gener-
ate any false positives, although we tried
sent it, for a 99.54-percent effectiveness
set rules and work the various settings.
very high level, but it also lets you drill
load file of best practices, which we used
for our test setup. But if you go with the
ning engine itself by altering how differ-
ent factors—and even certain words—in
training time to get it up and running—
THE GRADES enter 112 in the Quickfind box.
Protects outbound/inbound mail at same time
These guards stop malware at the gate
sender against further spam scanning.
it, tries to leave the network via e-mail
require approval for user whitelisting or
cies that need to protect their data at all
costs, but it adds $12,915 to the cost of
ly to maintain. The appliance itself costs
is passed on, deleted or quarantined.
for a 99.97 percent effectiveness rating.
data. Still, that’s less than the IronMail
control over the various scores, so some-
Proofpoint Inc., Cupertino, Calif.,408-517-4710, www.proofpoint.com ■
words such as merger, confidential or
secret to ensure such documents can’t go
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