What is a Denial of Service attack?

My Router is telling me that each day I'm getting around six DoS which are
being blocked. What is a Denial of Service?

Beemer

Re: What is a Denial of Service attack?

On Thu, 01 Mar 2007 12:43:49 +0000, Beemer wrote:
>
> My Router is telling me that each day I'm getting around six DoS which are
> being blocked. What is a Denial of Service?

Have you ever seen GOOGLE.COM? Try typing DOS ATTACK in the search box.




--

Leythos

spam999free@rrohio.com (remove 999 for proper email address)

Re: What is a Denial of Service attack?

Leythos wrote:
> On Thu, 01 Mar 2007 12:43:49 +0000, Beemer wrote:
>> My Router is telling me that each day I'm getting around six DoS which are
>> being blocked. What is a Denial of Service?
>
> Have you ever seen GOOGLE.COM? Try typing DOS ATTACK in the search box.
>
>
>
>


And if it's only 6 you're not really getting a DDOS attack.

Re: What is a Denial of Service attack?

Post removed (X-No-Archive: yes)

Re: What is a Denial of Service attack?

Sebastian Gottschalk wrote:
> Jason wrote:
>
>
>>Leythos wrote:
>>
>>>On Thu, 01 Mar 2007 12:43:49 +0000, Beemer wrote:
>>>
>>>>My Router is telling me that each day I'm getting around six DoS which are
>>>>being blocked. What is a Denial of Service?
>>>
>>>Have you ever seen GOOGLE.COM? Try typing DOS ATTACK in the search box.
>>>
>>
>>And if it's only 6 you're not really getting a DDOS attack.
>
>
> DoS isn't limited to DDoS. Remember good'ol Windows 95? A single Ping could
> bring it down.
>
> Which is most likely something alike the router catched up? Not running
> such old, vulnerable stuff anymore? Just disable this DoS detection
> function, it's useless and probably a way to DoS yourself.


If I recall correctly the simple act of turning on a 95 box could cause
it to die. :)

Re: What is a Denial of Service attack?

In message <54odsbF2098ukU1@mid.dfncis.de> Sebastian Gottschalk
wrote:

>Jason wrote:
>
>> Leythos wrote:
>>> On Thu, 01 Mar 2007 12:43:49 +0000, Beemer wrote:
>>>> My Router is telling me that each day I'm getting around six DoS which are
>>>> being blocked. What is a Denial of Service?
>>>
>>> Have you ever seen GOOGLE.COM? Try typing DOS ATTACK in the search box.
>>>
>>
>> And if it's only 6 you're not really getting a DDOS attack.
>
>DoS isn't limited to DDoS. Remember good'ol Windows 95? A single Ping could
>bring it down.

A simple ping is enough to take down virtually any modern link if you
send enough packets to overwhelm the available bandwidth.
--
Insert something clever here.

Re: What is a Denial of Service attack?

Post removed (X-No-Archive: yes)

Re: What is a Denial of Service attack?

Sebastian Gottschalk wrote:

> DoS isn't limited to DDoS. Remember good'ol Windows 95? A single Ping
> could bring it down.

Not so far, go a month before and remember: Receiving a single ping packet
could be enough to provoke a kernel panic in Solaris 10 systems.

Wolfgang

Re: What is a Denial of Service attack?

Hi Beemer,

You may wish to investigate Denial-of-service attack:

http://en.wikipedia.org/wiki/Denial_of_Service

Furthermore, you may wish to report your incident:

http://www.cisco.com/en/US/products/products_security_vulner ability_policy.html#Incidents

Hope this helps.

Brad Reese on Cisco
Network World Magazine Cisco Subnet
http://www.networkworld.com/subnets/cisco/

Re: What is a Denial of Service attack?

On Mar 2, 10:41 am, "www.BradReese.Com" wrote:
> Hi Beemer,
>
> You may wish to investigate Denial-of-service attack:
>
> http://en.wikipedia.org/wiki/Denial_of_Service
>
> Furthermore, you may wish to report your incident:
>
> http://www.cisco.com/en/US/products/products_security_vulner ability_p...
>
> Hope this helps.
>
> Brad Reese on Cisco
> Network World Magazine Cisco Subnethttp://www.networkworld.com/subnets/cisco/

You may also want to checkout the following article
http://www.firewallfaqs.com/gfaq/network_attacks_prevented_b y_firewalls.htm

Re: What is a Denial of Service attack?

In message <54qaihF21rk9bU1@mid.dfncis.de> Sebastian Gottschalk
wrote:

>DevilsPGD wrote:
>
>> In message <54odsbF2098ukU1@mid.dfncis.de> Sebastian Gottschalk
>> wrote:
>>
>>>Jason wrote:
>>>
>>>> Leythos wrote:
>>>>> On Thu, 01 Mar 2007 12:43:49 +0000, Beemer wrote:
>>>>>> My Router is telling me that each day I'm getting around six DoS which are
>>>>>> being blocked. What is a Denial of Service?
>>>>>
>>>>> Have you ever seen GOOGLE.COM? Try typing DOS ATTACK in the search box.
>>>>>
>>>>
>>>> And if it's only 6 you're not really getting a DDOS attack.
>>>
>>>DoS isn't limited to DDoS. Remember good'ol Windows 95? A single Ping could
>>>bring it down.
>>
>> A simple ping is enough to take down virtually any modern link if you
>> send enough packets to overwhelm the available bandwidth.
>
>A Ping is limited to one ICMP segment, thus at best 64K of data. Again,
>you're referring to bandwidth-flooding.

Yes -- Which by definition is a DoS attack.
--
Insert something clever here.

Re: What is a Denial of Service attack?

On Mar 1, 10:27 am, Jason wrote:
> Leythos wrote:
> > On Thu, 01 Mar 2007 12:43:49 +0000, Beemer wrote:
> >> My Router is telling me that each day I'm getting around six DoS which are
> >> being blocked. What is a Denial of Service?
>
> > Have you ever seen GOOGLE.COM? Try typing DOS ATTACK in the search box.
>
> And if it's only 6 you're not really getting a DDOS attack.

DoS != DDoS

Re: What is a Denial of Service attack?

kingthorin@gmail.com wrote:
> On Mar 1, 10:27 am, Jason wrote:
>> Leythos wrote:
>>> On Thu, 01 Mar 2007 12:43:49 +0000, Beemer wrote:
>>>> My Router is telling me that each day I'm getting around six DoS which are
>>>> being blocked. What is a Denial of Service?
>>> Have you ever seen GOOGLE.COM? Try typing DOS ATTACK in the search box.
>> And if it's only 6 you're not really getting a DDOS attack.
>
> DoS != DDoS
>


No, really? We didn't know that.

Ahh the daily dose of sarcasm. Got to love it.

Re: What is a Denial of Service attack?

On Mar 9, 1:43 pm, Jason wrote:
> kingtho...@gmail.com wrote:
> > On Mar 1, 10:27 am, Jason wrote:
> >> Leythos wrote:
> >>> On Thu, 01 Mar 2007 12:43:49 +0000, Beemer wrote:
> >>>> My Router is telling me that each day I'm getting around six DoS which are
> >>>> being blocked. What is a Denial of Service?
> >>> Have you ever seen GOOGLE.COM? Try typing DOS ATTACK in the search box.
> >> And if it's only 6 you're not really getting a DDOS attack.
>
> > DoS != DDoS
>
> No, really? We didn't know that.
>
> Ahh the daily dose of sarcasm. Got to love it.

Ya really, I wouldn't lie. Would this thread exist if everyone
involved understood the statement? (Not likely).