question about a firewall

question about a firewall

Etzion Bar-Noy ezaton at tournament.org.il
Sat Sep 4 01:28:06 IDT 2010


Well. It's either I never felt it, or just never caused anything I could
have felt.

Ez

On Sat, Sep 4, 2010 at 1:18 AM, Hetz Ben Hamo <hetzbh at gmail.com> wrote:

> I'm not writing in my blogs about any of the issues that you mentioned, nor
> do I host any such content, yet I had the "honour" of being DDoS attacked.
>
> Hetz
>
> 2010/9/4 Etzion Bar-Noy <ezaton at tournament.org.il>
>
>> Your Cisco won't protect you against these either. There are specific DDoS
>> protection systems, which you are not going to try and afford. Unless your
>> servers are about gambling, porn or something very hot, you will not likely
>> be the target of DDoS attack. I haven't been myself, for the last 7 years or
>> so.
>>
>> Ez
>>
>>
>> On Sat, Sep 4, 2010 at 12:42 AM, Hetz Ben Hamo <hetzbh at gmail.com> wrote:
>>
>>> I'm doing this thing right now. The only issue I worry about is attacks
>>> like DDoS.
>>>
>>> Hetz
>>>
>>> 2010/9/4 Etzion Bar-Noy <ezaton at tournament.org.il>
>>>
>>> Hi.
>>>> I am in your shoes. I maintain several Linux systems hosted in Netvision
>>>> (currently) for the last few years. For the last 7 years or so, I have been
>>>> using iptables to protect my systems from intrusion. I have been using
>>>> denyhosts to prevent unauthorized SSH logins, and prevented direct root
>>>> login, or blocked all/some except my home fixed address and some other
>>>> well-trusted addresses.
>>>>
>>>> This setup has proven itself to be effective and reliable, with zero
>>>> intrusions (I stopped logging them after a while, because it's not that
>>>> interesting, after all. The amount of random port scans are huge).
>>>>
>>>> Assuming you understand iptables, and you know how to handle it right,
>>>> there is no problem with that solution. None that I have noticed.
>>>>
>>>> Ez
>>>>
>>>> 2010/9/3 Hetz Ben Hamo <hetzbh at gmail.com>
>>>>
>>>>> Hi people,
>>>>> As I setup my VPS/dedicated hosting here in Israel, I have been asked
>>>>> by the hosting company (Netvision) to either buy and bring a firewall or
>>>>> rent from them since the bandwidth I bought exceeds what is allowed under
>>>>> their firewall.
>>>>> They're offering Cisco 1383 (or 1838, I don't remember exactly which
>>>>> model).
>>>>>
>>>>> As a person who really loves Linux, I thought to myself: Why do I need
>>>>> to buy/rent some proprietary Cisco solution? Can't Linux handle the firewall
>>>>> task well? I'm sure Cisco/Checkpoint solutions are great, but yet...
>>>>>
>>>>> So here's my question: If you were in my shoes, would you take a cisco
>>>>> or apply some Linux solution? If you say Linux solution, what kind of
>>>>> solution? Could you name an app/module/whatever that can do a good
>>>>> protection against the usual suspect and protect against stuff like DDoS
>>>>> attack?
>>>>>
>>>>> I prefer the Linux solution because then I can run other services on
>>>>> this machine (small mail server, nagios, etc..)
>>>>>
>>>>> Suggestions?
>>>>>
>>>>> Thanks,
>>>>> Hetz
>>>>>
>>>>> --
>>>>> my blog (hebrew): http://benhamo.org
>>>>> Skype: heunique
>>>>> MSN: hetz-blog at benhamo.org
>>>>>
>>>>> _______________________________________________
>>>>> Linux-il mailing list
>>>>> Linux-il at cs.huji.ac.il
>>>>> http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
>>>>>
>>>>>
>>>>
>>>
>>> --
>>> my blog (hebrew): http://benhamo.org
>>> Skype: heunique
>>> MSN: hetz-blog at benhamo.org
>>>
>>
>>
>
> --
> my blog (hebrew): http://benhamo.org
> Skype: heunique
> MSN: hetz-blog at benhamo.org
>
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