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Interview with Marcus Ranum
Federico Biancuzzi, 2005-06-21

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Good! 2005-06-21
Anonymous
Really nice interview and excelent answers from Marcus. He really seems to understand security ina very broad way (his answers reminds me Bruce S.)...

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Interview with Marcus Ranum 2005-06-21
Steve Lodin
I'm surprised Marcus didn't mention his "PS/2 as a security hardened platform" idea in the question about what can be done in the future. I remember sitting with Marcus 10 years ago in Sonoma at CMAD - has anomaly detection improved in those 10 years?
...

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Interview with Marcus Ranum 2005-06-22
Anonymous (1 replies)
Isn't there anything positive in the advancements of security technology? Why sell security software if you don't believe it works?...

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Re: Interview with Marcus Ranum 2005-06-22
Marcus Ranum
The software works just fine. It's usually being asked to perform the impossible.

End users want to take a perfectly good firewall, run it wide-open, and still be safe. That doesn't work. But they blame the firewall for the failure.

mjr....

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If the CTOs of 10 FORTUNE 500 firms .... 2005-06-22
Andrew Yeomans
We are working on it! See the Jericho Forum - http://www.jerichoforum.org ...

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Interview with Marcus Ranum 2005-06-22
some guy in Central PA (1 replies)
Overall the interview is very good, and provides MJR's position the State of Computer and Network Security. The conclusion of the article reeks or is similiar to the conclusions of his Script Kiddiez Suck and Script Kiddiez Suck 2.0 presentations. The points discussed are very valid, and overall v...

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Re: Interview with Marcus Ranum 2005-06-22
Marcus Ranum (1 replies)
A lot of the themes in the interview are the same 'cuz I've pretty much been saying the same thing for 20 years. :( You can see how well it's working, too. ;)

mjr....

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Re: Re: Interview with Marcus Ranum 2005-06-24
Anonymous
in 1985, the federal government published the first set of computer security criteria that computer professionals could understand and integrate into systems.

"A trusted computer system must provide authorized personnel with the ability to audit any action that can potentially cause access to, ...

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Interview with Marcus Ranum 2005-06-22
Anonymous
slashdot away!!!!...

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Interview with Marcus Ranum 2005-06-22
MST
Thank you Mr. Ranum for telling us what it's really like out there....

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Interview with Marcus Ranum 2005-06-22
Anonymous (1 replies)
Quite good answers from Mr. Barnum.

Except for the last paragraph.
Hackers don't deserve all the blame, I'm happy these
people are around and test the function of soft- and
hardware. They help us.
Blame should be loaded on criminals....

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Re: Interview with Marcus Ranum 2005-06-22
Marcus Ranum (2 replies)
>Hackers don't deserve all the blame

Perhaps you're using the term in the "politically correct" sense of "hacker" == "technophile". I use the term "hacker" in the sense of "computer criminal." So we may just have a linguistic mismatch here.

But - that said - the guys who are going around break...

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Re: Re: Interview with Marcus Ranum 2005-06-22
Anonymous (1 replies)
Yes, that's a linguistic issue.
I'd preferred you saying "criminal hackers",
since you're speaking to a technical audience here that still knows the difference between a hacker and a cracker, but that's nitpicking.

And I agree with what you say about the idiots entering unprotected networks "ju...

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Re: Re: Re: Interview with Marcus Ranum 2005-06-23
Marcus Ranum (1 replies)
>Still, despite above stated problem, without all
>these, sometimes idiotic, "hackers". IT-Security
>would be even worse off than it is now.

I don't see how you can say that. That's like saying "Airport security would be no good if it weren't for the efforts of all the terrorists and psychos w...

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Re: Re: Re: Re: Interview with Marcus Ranum 2005-06-26
whitehat
>Back in 1999 I challenged the hacker community to >put their money where their mouth(s) was and if >they really wanted to make the Internet more >secure they should try to arrange to go up to >Microsoft for a few months, sign their NDA, and >do a no-holds-barred code-review of IIS.

>But that wou...

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Re: Re: Interview with Marcus Ranum 2005-06-22
Anonymous
Apologies for the anonymous. I think people focus too much on the existance of hackers - of course they are to blame, sort of why we are forced to have police because people break laws. They are a natural product of human curiosity and schedenfraude, though, and I can't imagine a universe in which...

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Blame 2005-06-22
Anonymous (1 replies)
The assessment of blame is quite accurate, but it points up the fact that knowing who to blame doesn't really solve any of our problems. A better question would be who is responsible for solving these problems? The hackers carry much of the blame, but naturally none of the responsibility. ...

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Re: Blame 2005-06-22
Marcus Ranum
That's a really good point and I didn't consider it. :( In fact, I wish you'd been a reviewer on the early draft of the interview because I'd have loved to address that issue. :(

Blame does not mean you have the power to fix things. :(

In other contexts I've pointed out that CTOs have (for the...

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Interview with Marcus Ranum 2005-06-22
Anonymous
I work with intrusion detection systems of a physical kind rather than software, and on certain systems, particularly active infared there is a timing scheme. in this scheme, a transmitter and reciever has an alotted time to Tx and Rx. if a signal is recieved on a time not allotted for recieving, an...

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What a genius! 2005-06-22
Pete (4 replies)
Well, Mr. Ranum seems to really know his stuff! Why, according to him everything is broken and there's no solution but to write -perfect- hardware and software! Good thing he's not trying to sell some of this admittedly broken software, or he might be a hypocrite.

Also, bravo on placing the blame...

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Re: What a genius! 2005-06-22
Anonymous (1 replies)
Um, excuse me, but hackers/virus writers who write malicious software, invade other peoples' privacy and PCs, cause incredible damage to people worldwide apparently for fun or personal profit at others' expense, are not a "generalized social group" who are being "demonized". They are "demons", they ...

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Re: Re: What a genius! 2005-06-27
Anonymous
"They are the reason security methodologies have to exist."

If you really believe that, you shouldn't be posting here......

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Re: What a genius! 2005-06-22
Marcus Ranum
>lso, bravo on placing the blame on a generalized social class.

Did you actually read the article? Like the part where I said "there's plenty of blame to go around"? Or did you just decide to flame the one part that doesn't line up with your comfortable preconceptions?

It's a safe observation ...

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Re: What a genius! 2005-06-23
Anonymous
You know why he doesn't see it anymore? Because he *himself* is obsolete, now. All those things he did with firewalls and IDS are no longer relevant, and he could not see beyond the little box that he's in....

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Re: What a genius! 2005-06-23
Anonymous
Hard to admit that he's right, isn't it?

Why is it so difficult to accept that a significant contributor to security over the last 20 years (did you see the bit about SEAL? Know anything about NFR?) is right about what the problem is? The central point he continues to make is that the applicatio...

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Interview with Marcus Ranum 2005-06-22
B Maurice
Wow. I mean here I thought I had a good handle on things but he's got a few ideas in here I hadn't thought about....

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Interview with Marcus Ranum 2005-06-22
John
Ranum: "Sometimes, patience is a terrific strategy. Wait and see what happens to the early adopters. If they're all getting hacked to pieces or spending tons of money on patches and upgrades and fixes to the stuff they bought - then it's not ready, yet."

So the hackers are all to blame, but its ...

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Interview with Marcus Ranum 2005-06-22
Anonymous (1 replies)
Marcus states that he was in charge of the President's email system during the early days. Doesn't it strike anyone as laughable that this guy refers to himself as a security expert when the early email system for whitehouse.gov allowed open SMTP relays?...

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Re: Interview with Marcus Ranum 2005-06-22
Marcus Ranum
> the early email system for whitehouse.gov allowed open SMTP relays?...

No, it didn't. I know 'cuz I wrote the code and you can check in the original source for smapd.c in the firewall toolkit; there was a check to bounce any recipient that wasn't @whitehouse.gov.
When I turned the machine over...

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Interview with Marcus Ranum 2005-06-22
Anonymous
So if there were no hackers we would be secure? I think you need hackers to motivate developement of better security.The ultimate blame really lies at the feet of software companies. ...

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Marcus, most companies have more than 150 nodes. 2005-06-22
Anonymous
Marcus,

With regard to your observations on "default deny" access policies, most corporations have many times the number of hosts you described in your example - and clearly you're aware of this. Managing ACLs are cumbersome for even a small network.

In America, where I have experience, there...

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Interview with Marcus Ranum 2005-06-22
Anonymous
Marcus Ranum: "Truly, the only people who deserve a complete helping of blame are the hackers."

Whoah! The group of 'hackers' is described as a big grey mass that makes people's lives difficult and costly.

Really, what do you expect? There are always people out there with ill will. Some do it...

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Interview with Marcus Ranum 2005-06-22
Anonymous
I think the frustration with hackers stems from the fact that most hackers can't wait to tell you how smart they are that they found one hole in hundreds of applications and thousands of ports. I think the respect should go to the people who find all the holes and plug them. Tell me which is more ...

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Interview with Marcus Ranum 2005-06-22
Tails (2 replies)
While I agree with the majority of the document I disagree with the last part. I'm sorry without hackers, whitehat or blackhat, we would never find out about the numerious security threats out there....

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Re: Interview with Marcus Ranum 2005-06-22
Anonymous
Umm...the hackers are the security threats. If there were no hackers there woul dbe no threats. Moron....

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Re: Interview with Marcus Ranum 2005-06-22
Marcus Ranum (7 replies)
>without hackers, whitehat or blackhat, we would
>never find out about the numerious security
>threats out there....

Without hackers - whitehat or blackhat, NONE OF THE SECURITY THREATS WOULD MATTER.

mjr....

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Re: Re: Interview with Marcus Ranum 2005-06-23
Anonymous
Sorry Marcus, I think your point of view is tainted and lack thought. Regardless of what environment you are in you need a form of security. a Fool lives in a house with out locks or any form of deterents. Why do governments have security policies and procedures? (It's to stop opposing factors gathe...

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Re: Re: Interview with Marcus Ranum 2005-06-23
Anonymous
Hackers doing it for fun are not the same as hackers doing it for money. If there were less hackers doing it for fun there would be alot more doing it for money....

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Re: Re: Interview with Marcus Ranum 2005-06-23
Kevin Fink
I'm not sure how useful a statement that is, though. Without users none of the security threats would matter, either. So what?

To move towards solutions, you have to understand the issues, to understand the issues you have to understand the people, and to understand the people you have to under...

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Re: Re: Interview with Marcus Ranum 2005-06-23
Anonymous (1 replies)
Putting blame on hackers is useless because we can't do anything about it!...

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Re: Re: Re: Interview with Marcus Ranum 2006-07-14
Anonymous
>raises hand< Well if you mean computer criminals, they are going to jail every day. Hopefully getting sued for damages in civil court too. Crime should be punished.

I have an argument that can't possibly be refuted, or labeled in any way as a self serving rant (sorry Marcus) for all of you that ...

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Re: Re: Interview with Marcus Ranum 2005-06-25
rabidpacketmonkey
>Without hackers - whitehat or blackhat, NONE OF THE SECURITY THREATS >WOULD MATTER.

What an innocent and naive world you must live in to think that we can just blame everyone, especially the "hackers" for the world?s computer security problems.

I assume that you equate "hackers" with crimina...

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Re: Re: Interview with Marcus Ranum 2005-06-28
Norman Yarvin
Without hackers, the vulnerabilities would still be there, would pile up, and eventually someone would take advantage of them. You've no doubt seen the hoopla about cyberterrorism, and also seen how nonexistent it is has been as a real problem. That's not to say that we'll never have "an electronic...

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Re: Re: Interview with Marcus Ranum 2005-06-29
Tails
Very true however last time I checked we don't live in that kind of world now do we? So the way I see it their presence is needed. After all without hackers you wouldn't need to be employed..:)

And to the previous reply when you wake from your fantasy world let me know mmmkay..thx..:)

Tails
...

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Interview with Marcus Ranum 2005-06-22
trip (1 replies)
I just read the quote on slashdot. Blaming hackers for all the world IT trouble. Heh.
In my humble opinion I'd rather 10000 teenagers be accessing system for fun than a foreign government trying to take down a powergrid or major routes the government uses for security communication. ...

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Re: Interview with Marcus Ranum 2005-06-23
Marcus Ranum
>I just read the quote on slashdot. Blaming
>hackers for all the world IT trouble. Heh.

Welcome to media 101: pick something that's going to stir up controversy and use it as a headline.

That works especially well on /. where everyone's got an opinion and nobody's got the time to actually see...

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Good Article 2005-06-22
JC
Very good explanation of a lot of the problems out there Marcus. Most people really do not understand all the different problems facing us today in relation to security. There is no one solution to any of this, and if there was, it would probably be too annoying to use. You have to make concessio...

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What A Total Jackass 2005-06-22
Anonymous (1 replies)
Marcus seems to have just enough blame to give everyone a little of their own. Not surprisingly, the one group of people who deserve the most blame get the least - security people. Thats right, security people. The loyal citizens of Security are always crapping in your baseball cap about how this...

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Re: What A Total Jackass 2005-06-23
Marcus Ranum (1 replies)
>Not surprisingly, the one group of people who
>deserve the most blame get the least - security
>people. Thats right, security people.

Yeah, security people are often the losers who knuckle down when managers tell them "open a big hole through the firewall" and then sit back and moan about it. ...

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Re: Re: What A Total Jackass 2005-06-29
Anonymous
I just read this and laughed so hard I spilled coffee all over my keyboard!

Security SMACKDOWN!!!!...

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Marcus Ranum blaming hackers???? 2005-06-22
pw (2 replies)
I have been in the security/hacking scene for over 15 years now. Its strikes me as odd to hear Ranum blasting hackers for the problems with security. I can recall when Ranum WAS one of the hackers posting exploit code, and hanging out with the underground scene. In a sense, Marcus is one of the g...

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Re: Marcus Ranum blaming hackers???? 2005-06-23
Marcus Ranum
>I can recall when Ranum WAS one of the hackers
>posting exploit code, and hanging out with
>the underground scene.

Are you maybe thinking of a different Marcus Ranum?? Maybe one of the cheap clones that are out there? Or are you just some anonymous coward spreading disinformation?

I don't p...

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no, blame the victims 2005-06-24
Anonymous
I use to live in a place where people didn't lock their doors - house, car, etc. They didn't need to: most people didn't go where they weren't invited.

You're telling me it is my fault that people are comeing into my home to see what's in my fridge?

No. Individuals are responsible for their ac...

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SE/Linux 2005-06-22
Luke Kenneth Casson Leighton (1 replies)
selinux is still in development (actually, the tools and the selinux policy is most in development).

_that_ having been said, selinux has the ability to place some restrictions on network access on a per-user+per-program basis.

it is therefore my belief that a heavily modified version of "fwbu...

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Re: SE/Linux 2005-06-29
Anonymous
SE/Linux is a cool thing - it's basically an attempt to forward-update a lot of the thinking that was done on building trusted operating systems and Multi-Level Secure (MLS) UNIXes in the late 1980's. Those efforts failed for a lot of reasons (cumbersome interface, policy foot-dragging, theoretician...

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Interview with Marcus Ranum 2005-06-23
Rastor5
So this is a comment on society in general? Yes. Immoral people are to blame for all of society's woes. This is OK? no. yes. They say war increase technological advance. So if this is viewed as a war between establishment and hackers, then can we say that many technological advances are due to hacke...

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Interview with Marcus Ranum 2005-06-23
Anonymous
I think your the last comment about limiting access to all hosts to only those destinations they need is an idea worth pursuing, at least within some defined perimiter Why not meld network mapping tools to acl's and firewall rulesets?

Get your baseline for each user as he enters the network an...

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distribution of responsability is well put 2005-06-23
Martin-Éric Racine
The last part of the interview summarizes what I've been telling everyone for a number of years: everyone is partly responsible for the current mess we live in, from the engineers all the way to the end-users.

In a nutshell, practicing safe networking boils down to:
- excellent engineering at th...

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Interview with Marcus Ranum 2005-06-23
Anonymous
Great interview Marc. p.s. I also really enjoy your columns in Information Security Magazine. DOn't quit writing.

:-)...

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Blame the Hackers? 2005-06-23
Bob (1 replies)
Marcus,

Great article, right up to the very end where the idiotic point is made that Hackers are to blame for all the problems. Yep, go right ahead and just Shoot the Messenger!

The problems lie squarely on the shoulders of the software producers, be they OS or App producers.

Lets say tha...

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Re: Blame the Hackers? 2005-06-29
Marcus Ranum
I think we're just victims of a terminology conflict. I'm not using the term "hacker" in the politically correct whitewashed way - I'm referring to bad guys/cybercriminals/black-hats/a**holes or whatever you want to call them.

>Lets say that hackers never came to exist. What
>would we have today...

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Interview with Marcus Ranum 2005-06-23
JSF
In 1999, 2001 and 2002, I personally sat on panel discussions (one hosted by Marcus Ranum) where I said, "Intrusion Detection can't work, won't work and will never work." I was nearly laughed off stage when making this claim. Marcus was - at the time - still the CTO of Network Flight Recorder.

I ...

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Interview with Marcus Ranum 2005-06-24
Phil Agcaoili
Marcus,

I completely agree with you.

I've participated in several standards groups, most recently the CAPWAP review. It's so blatantly obvious that vendors are jockeying for their implementation despite the more ubiquitous and widely accepted solution. The constant reinventing of the wheel an...

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his comments about the RFC process 2005-06-24
Reinier Post
I do not understand his comments about the RFC process being obsolete.

To quote: "I think if you look at what standards committees have become today, they're really little more than ratification bodies that rubber-stamp the de facto standard. Usually they tweak it a little bit to salve their prid...

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Interview with Marcus Ranum 2005-06-24
Anonymous (2 replies)
Why are you always talking about what you did in 1990 with the DEC firewall? That is trailing edge code at this point and before Network Associates sold the product to Secure Computing, they couldn't get anyone to buy it. Since 1990 and today, various companies have developed firewalls far more inno...

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Re: Interview with Marcus Ranum 2005-06-27
M. Andrew Molitor
That's just context, so you know who he is. Nowhere do I see any claim that it's current. Also, are you sure NA sold the SEAL product? Perhaps they sold the TIS product, instead. Different box.

Finally, SEAL was the first commercial firewall, not the first firewall. Please note the word 'commerci...

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Re: Interview with Marcus Ranum 2005-06-28
Anonymous (1 replies)
>Why are you always talking about what you did in
>1990 with the DEC firewall? That is trailing
>edge code at this point and before Network
>Associates sold the product to Secure Computing,
>they couldn't get anyone to buy it.

*BZZZT*!! But thanks for playing. DEC SEAL was not sold to NAI - T...

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Re: Re: Interview with Marcus Ranum 2005-06-29
Anonymous
I never said DEC SEAL was sold to NAI.

I know full well that Guantlet came from TIS. They are two different firewalls of course. I was making two different points. ...

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Time will tell about "De-Perimeterisation" 2005-06-27
Andreas
It's usefull for smaller environments, where they use unmanageable switches. No firewall will really know, what the client-pc is doing, and so, any hole in the wall will be used. http is allowed? And you have to use a proxy? Doesn't matter, our next evil friend will be able to send his packets out o...

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Interview with Marcus Ranum 2005-06-27
Anonymous (1 replies)
"They're the ones who are costing us billions of dollars a year to secure our systems against them."

Does this mean that if hacking wasn't an widespread activity, the systems wouldn't be secured? That truly sounds like a security joke......

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Re: Interview with Marcus Ranum 2005-07-11
Anonymous
"Does this mean that if hacking wasn't an widespread activity, the systems wouldn't be secured?"

No, it means if hacking was a non-existent activity the systems wouldn't (need to) be secured.

Also, given that as things stand, hacking IS a widespread activity and the systems still aren't secur...

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80% spyware & 15% keyloggers? 2005-06-28
Anonymous
"And the results show: 80% of corporate desktops are infected with spyware, 15% of them are infected with keystroke loggers."

Where does this statistic come from?...

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Interview with Marcus Ranum 2005-06-28
Anonymous (1 replies)
[quote="Marcus Ranum"]
Truly, the only people who deserve a complete helping of blame are the hackers. Let's not forget that they're the ones doing this to us. They're the ones who are annoying an entire planet. They're the ones who are costing us billions of dollars a year to secure our systems ag...

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Re: Interview with Marcus Ranum 2005-06-29
Marcus Ranum
> I'm wondering why you say 'hackers' instead of
>'crackers'... thats who is causing problems...

Crackers, hackers, as*holes, you can call 'em whatever you like. Did you understand what I was saying? Then let's not worry about whether my vocabulary is politically correct or not.

(By the way t...

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Interview with Marcus Ranum 2005-06-29
David
I, for one, agree with Marcus. Alot of people are complaining about his last paragraph, but for me that ending was a pleasure to see. All of the so-called hackers I've talked to speak of hacking as a sport, an activity of curiosity, and so on. But it comes down to what the person is actually doin...

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Agressive network configuration 2005-07-05
Stephen T
I have seen tools out there to try and address this issue. A french company had a nice cross platform firewall policy tool that could take central policies and generate config files many fire walls and integrated firewall modules. Add on the necessary policy provisioning piece so we can track wh...

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Interview with Marcus Ranum 2005-07-06
Anonymous
Good is a gross understatement. This is the best article I have read to date about the current state of security....

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Think about it... 2005-07-16
Johann van Duyn
MJR has been around the block a few times and has earned the right to speak out, smack down and criticize the rest of us.

There is much wisdom in what he proposes, even if it's not explicitly stated in the interview; take for example the idea that client machines should not be allowed to talk to ...

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Interview with Marcus Ranum 2007-07-11
John Cowan
In the large companies I've worked for, "only allow the good" is indeed taken to heart. The trouble is that the best and safest definition of "the good" for security personnel is "nothing at all". There is no protocol that is *provably* not usable by a cracker (people have tunneled Telnet over DNS...

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Interview with Marcus Ranum 2007-11-27
Anonymous
I actually read the entire article! Very insightful....

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