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Hi Guys,

I am currently trying to find a solution that can inspect my outbound traffic and block any that may be deemed suspicious.

I currently have a number of IP blocks that are currently blacklisted and received a few customer complaints already. In the meantime i have assigned them to a new IP subnet but would like to find something more permanent (I dont want to keep removing them from the blacklists or reassigning them) and not just a band aid solution, as it would only be a matter of time before my other blocks are blacklisted.

Do you guys know of any good solutions? I have been doing some quick searches on the net and see Fortinet has a solution and also another company i am not familiar with called Cybonet (formerly PineApp). I would prefer to have an on premise solution that i can manage myself and is transparent in terms of traffic flow.

Thanks in advance for any ideas.

-Roddy

I work at Barracuda as a Network Security Support Engineer, all of our Email Security Gateways and I also believe our NG Firewalls allow you to filter outbound mail traffic.

I'd be more concerned with inbound rather than outbound filtering,  let stuff go out. who really cares?  just don't let the bad stuff in.

Not true; if your network is compromised and someone dumps 100,000 emails in your exchange server to be relayed out, you can be put on  blacklists in a matter of minutes. Need some sort of filter to detect.

Block port 25 by default. As an ISP the last thing you want to do is start getting involved with customer traffic.

Almost correct. You want port 25 locked down to a single nat rule.

Port 25 (and other mail ports) should only see traffic coming from 1 IP address. No reason why linda in accounting should be sending directly out.

Block port 25 by default. As an ISP the last thing you want to do is start getting involved with customer traffic.

Can't block port 25 if the guy has an on-premises email server...

True, see above post.

Find a nice senior network engineer position


then you read the privacy policy on the site to apply for the job

excerpt
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[flushing sound]

Jesus, that is scary.

Omg, I thought this forum died.

Update: I am now a Tier 1 Network Support Engineer at Barracuda Networks.

I got a Job at Barracuda Networks about 4 months ago and the job description was very much like the top one. Luckily, I only deal with basic mail protocol, mail encryption like an to over tls, Linux command line, Nat rules, ports 22, 25, 80, 443,  8000 along with everything else a entry level tier 1 should know.

But hiring process was intense!

It was a 4 hour first interview. I was interviewed by 3 tier 2s and 2 tier 3s and was grilled on everything you could imagine. Friends of mine That I thought would be shoe ins failed the interviews.

Come to find out the HR team writes the job descriptions lol.

I am also doing a lot better in my biking. Glad to hear you're doing better too, how's everyone else coming a long?

35 lbs down.

Wont lie.. I have been struggling keeping up my diet... food is just soooo good. haha. Slow and steady wins the race.... or so I am told.

Congrats man, keep it up. And food isn't that good if it's causing pain, right?

I did a remote 2k3-2k8 migration today. I was proud of myself.

I know that some of those are things.

Also @ristau, interesting story btw. I've been a part of several mass migrations similar to that for different car communities.

I found this forum vis TapaTalk. I think mobile friendly forum hosting go a long way to saving forums from social media. @That1guy, I don't go on reddit when I want to learn something. Too easily distracted by other nonsense and circle jerking.

At least get some interns for those guys, FUCK. Lol

Well, I'm a former medical professional and can confirm that drinking alcohol long term weakens the immune system.

I'm pretty sure this is because the alcohol takes over fighting the sickness and the immune system gets lazy.

Lol sure, we can go with that.

But to get nerdy with it, it's because the immune system is weakened from fighting off the alcohol. The kidneys and liver are constantly having to filter out the alcohol and can't help fight off infections.

[Disclamer:]

Sodas, including diet ones, are death in a can.  You're far better off drinking water.

DISCLAIMER: The above statement is not to be taken as medical advice, especially if you live in an area where the water is really bad and bottled water isn't readily available.

Disclamer: Only applicable in California, and remote deserts

@Jay: Wow... great job. Inspiration to hit the gym today, even though I am excausted 

Thanks man! And to answer your question at the beginning of the thread; I bike back and forth to work 5 times a week for a total of 75 miles. On Saturday's I bike 30 miles. So I average about a 105 miles a week. I also spend about 5-6 days a weak doing cross fit, and heavy lifting in the evening.

Sunday is rest day.

Well, I'm a former medical professional and can confirm that drinking alcohol long term weakens the immune system.

One of my favorite sayings and it was said here earlier is, "Jack of all trades, master of none." I think it would be more realistic and efficient to split that job into 2 or 3 possisions.

And thanks! And no, just store servers and doing roll out support. Lol

I just got hired at Robert Half.

Got the job by the way! Lol