[p2p-hackers] ICMP tunneling

[auto43348 at hushmail.com]

and you can do it just over dns:
http://dnstunnel.de/

rearden

>From: p2p-hackers-bounces at zgp.org [mailto:p2p-hackers-
>bounces at zgp.org] On
>Behalf Of Alex Pankratov
>Sent: Monday, June 19, 2006 11:26 AM
>To: Peer-to-peer development.
>Subject: Re: [p2p-hackers] ICMP tunneling
>
> > Alex (pankratov), do you have any experience with Hamachi on 
>this tip?
>
>No, not with Hamachi. Implementing ICMP tunneling on Windows 
>requires
>writing NDIS/IM driver or an equivalent and it is an absolutely 
>royal pain
>in the butt to support. In other words it is somewhat hard to 
>justify :)
>
>Alex
>
>Travis Kalanick wrote:
>> Doing a bunch of traveling recently in Asia (adventures blogged 
>here: 
>> http://blog.redswoosh.net <http://blog.redswoosh.net/>), I've 
>found 
>> myself in many situations where I've had to purchase wireless 
>Internet 
>> access, quite often at double or triple the prices seen in the 
>States.
>> 
>>  
>> 
>> Before paying however, I am almost always able to do a DNS look-
>up and 
>> sometimes even ping remote hosts, though normal Internet traffic 
>over 
>> port 80 (and various other ports) is blocked.
>> 
>>  
>> 
>> It got me to thinking about ICMP tunneling around these wireless 
>"toll 
>> booths" so I could travel Asia and even the states without 
>having to 
>> communicate over those popular ports that cost money to 
>communicate over.
>> 
>>  
>> 
>> Maybe something could be coded up to tunnel over ICMP to a proxy 
>
>> server (or proxy peer), that then translates communication back 
>to the 
>> intended protocol and port and forwards communication along.  It 
>seems 
>> that at least theoretically, with raw sockets and promiscuous 
>> settings, even on Windows machines, this should be possible.
>> 
>>  
>> 
>> Anybody have experience with tunneling over this widespread, but 
>often 
>> forgotten protocol and port?  Could it also be useful for NAT 
>> traversal in extreme conditions?
>> 
>>  
>> 
>> Alex (pankratov), do you have any experience with Hamachi on 
>this tip?
>> 




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