North American Network Operators Group
Date Prev | Date Next |
Date Index |
Thread Index |
Author Index |
Historical
Re: Barracuda Networks Spam Firewall
- From: Matthew Crocker
- Date: Mon May 17 15:36:00 2004
On May 17, 2004, at 2:35 PM, Claydon, Tom wrote:
Doing evaluations on anti-spam, anti-virus solutions, and ran across
this:
http://www.barracudanetworks.com/
Looks like a good box -- even won an Editor's Choice award from Network
Computing recently.
Does anyone on list have any experience with these boxes? If so, how
are
they with false positives, quarantine capabilities, etc?
Tom,
I have a Barracuda Spam Firewall 400, We handle about 9k users and
the thing is AMAZING!
My old setup was 4 dual-PIII 550Mhz, 1 GIg RAM running
Qmail/Qmail-ldap/spamassasin/F-Secure AV. My inbox would get 300+
spams/day, many of them not tagged at all
This setup would melt on a regular basis when spam floods would come in
My current setup is a Barracuda 400 and 1 inbound mail server (dual
P-III 550Mhz...). My inbox now gets 5 untagged spams/day and about 10
quarantined.
This setup has been able to handle everything thrown at it so far with
no noticeable performance hit
My customers love it, I love it, best thing I have purchased in the
last 12 months. Very low false positives and high hit rate. The
quarantine box is very easy to handle for users, they will get an
e-mail once per day with a list of messages and links to whitelist,
deliver or delete. When they click on a link they will connect/log
into the Barracuda. They can manage their own Bayesian filters from
the quarantine interface.
It really has had a dramatic effect on my spam, I'm wondering what
I'll be doing with all my spare time now that I don't have to manage my
mail server.
I was watching the message log one day and noticed a spam flood in
action.
10 messages came in and went to customers tagged about 0.5 or so
10 messages came in and went to customers tagged as ::SPAM:: with a
score of 3.7 or so
10 messages came in and went to quarantine with a score of 5.5 or so
a bazillion messages were blocked with a score > 20
It learned very fast.
My Barracuda is currently blocking 500k+ messages/day
current stats (installed 13 days)
Blocked (SPAM) :7453215
Blocked (Virus) : 24600
Quarantined : 82170
Tagged : 31552
Allowed : 580876
Average Queue latency : 4 seconds
Unique Recipients : 8245
I just signed up as a reseller and I'm building a managed mail solution
around it.
If you are an ISP I recommend you get a 400 series or higher. You can
customize the web interface a bit and it handles multiple domains
better (per domain spam settings)
-Matt
|
