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Questions tagged [barracuda]

Questions related to products from Barracuda Networks, Inc., a company providing security, networking and storage products based on network appliances and cloud services.

59 questions
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What to do with an out-of-warranty Barracuda Spam/Web filter?

I'm working with an organization that would like to start using a old Barracuda Spam Filter 300 unit. I've sold and configured plenty of these, but was surprised to see that this unit's warranty lapsed by 6 months. The company was acquired and this…
ewwhite
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Can a Barracuda Spam Filter 300 reject mail based on DNS?

Can a Barracuda SF 300 reject mail based on DNS? Specifically can it respond with a 4XX code for mail claiming to be from a domain without a valid MX or A record (similar to postfix's smtpd_sender_restrictions = reject_unknown_sender_domain). If…
84104
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Barracuda tagging email with 'date grossly in the future.'

I have a Barracuda 300. Granted it's running on some old firmware and the Energize updates are quite outdated. I'd like to update them, but, not my financial decision to do so. Starting around the first of the year, our Barracuda began tagging a…
Jasoomian
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Message Queue building on Barracuda Spam Firewall

I have just installed our new Spam Firewall, and all seemed well. But the Spam Firewall has now decided to put all mail in a message queue and I have no idea how to force it on or anything as there doesn't appear to be anything on the GUI to manage…
stead1984
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Why would an MX record have an associated IP Address of localhost?

We are having issues talking to another company. There mails are bouncing back with the error: #< #5.0.0 X-Spam-Firewall; mail for airinuit.ca loops back to myself> #SMTP# I have seen this message in relation to configuration issues with PostFix.…
Matt
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How do I find out what a Spam Custom Rule is?

We use a Barracuda Spam Filter at work, and we also provide a mass emailing program to some of clients that send out newsletters. Lately one of them's been composing his latest company newsletter and has been trying to send preview messages to…
soapergem
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Configure Barracuda Spam Filter behind Postfix to use client IP when do RBL-checking

I have the following setup: Internet -> Postfix Mail setup as Proxy -> Barracuda Spam Filter -> Microsoft Exchange I have tried searching through the documentation and configuration panels to see how I could get the Barracuda to use the original…
mrkmg
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Clearing out Barracuda 310 web filter DNS/site cache?

On my network I have a Barracuda 310 web filter installed. After an issue with our ISP suddenly interrupting our DNS service, we switched over to a more reliable DNS on all of our systems. Unfortunately, after a ton of research a few boxes continued…
tup20
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Barracuda SSL VPN Managing Users

Not really sure if this is the right site to be posting on, but I have a question about my Barracuda SSL VPN. I know there is a built-in user database on the VPN. Is there some way (in my asp.net source code) to check what users are logged in to…
CSharpDev
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Barracuda not delivering external email

I have a Barracuda 300, sometime yesterday afternoon, roughly 5:30, the Barracuda stopped delivering external emails to our exchange users and instead, it began marking all those messages as 'deferred' and a reason as 'Invalid Recipient.' We have…
Jasoomian
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Barracuda "Host Access Denied"

i'm trying to setup a zabbix server behind barracuda firewall. Other configurations are working but for some reason this IP is not. "ZABBIX" on our Barracuda is a service configured in this way: The barracuda is returning very strange messages. One…
Toumash
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Enabling WebSockets (SignalR) with a Barracuda WAF

I am currently tearing my hair out at work trying to resolve an issue with a web application that uses SignalR over WebSockets where traffic is directed through a Barracuda Web Application Firewall (WAF). Every attempt to connect to the…
jonhoare
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Barracuda.com and crawling / pinger services causing unusual load on web servers

I recently received a large number of hits on my home page from 64.235.153.8. It revolves to barracuda.com I know Barracuda as an enterprise class spam detection/prevention solution. Do they also offer some kind of bot/crawling or pinger services…
Luke G
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Exchange 2007 NDRs

We have NDRs disabled on our Exchange 2007 server to prevent backscatter. Is there any way to enable NDRs only when messages exceed size limits? It can be frustrating for people when their messages don't go through because they are too big but…
Brett G
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LDAP query for Barracuda

I have a barracuda spam firewall 300 that I just got installed the other day. I'm working on an LDAP query for using it with my exchange server. What i have so far is: (& (!userAccountControl:1.2.840.113556.1.4.803:=2) (| …
IceMage
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