[twsocket] UDP IP Spoofing Possible with ICS?

2008-01-07 Thread JLIST
Hello all,

Is it possible to UDP IP spoofing with twsocket component?
Not that I'm trying to create a security threat - it's used
in UDP firewall traversal, commonly used in VOIP apps.

I think I should be able to do it with raw socket but it
doesn't really work very reliably (and it doesn't work on some
OS at all) and it's more work to construct the whole IP packet.

It'll be great if it's a feature TWSocket provides for UDP
sockets.

-- 
Best regards,
Jack

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Re: [twsocket] UDP IP Spoofing Possible with ICS?

2008-01-07 Thread Arno Garrels
JLIST wrote:
 Hello all,
 
 Is it possible to UDP IP spoofing with twsocket component?

The only possibility is to use raw sockets with any component
built around winsock API. You may want to use WinPCap instead 
which allows sending raw packets as well.

--
Arno Garrels [TeamICS]
http://www.overbyte.be/eng/overbyte/teamics.html

 

 Not that I'm trying to create a security threat - it's used
 in UDP firewall traversal, commonly used in VOIP apps.
 
 I think I should be able to do it with raw socket but it
 doesn't really work very reliably (and it doesn't work on some
 OS at all) and it's more work to construct the whole IP packet.
 
 It'll be great if it's a feature TWSocket provides for UDP
 sockets.
 
 --
 Best regards,
 Jack
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Re: [twsocket] UDP IP Spoofing Possible with ICS?

2008-01-07 Thread JLIST
Hello Arno,

 Is it possible to UDP IP spoofing with twsocket component?

 The only possibility is to use raw sockets with any component
 built around winsock API.

 You may want to use WinPCap instead
 which allows sending raw packets as well.

I see. In that case I suppose I can still use ICS for receiving
the packets and use WinPCAP for sending.

Thanks,
Jack

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Re: [twsocket] UDP IP Spoofing Possible with ICS?

2008-01-07 Thread Arno Garrels
JLIST wrote:
 Hello Arno,
 
 Is it possible to UDP IP spoofing with twsocket component?
 
 The only possibility is to use raw sockets with any component
 built around winsock API.
 
 You may want to use WinPCap instead
 which allows sending raw packets as well.
 
 I see. In that case I suppose I can still use ICS for receiving
 the packets and use WinPCAP for sending.

That's possible, yes.

--
Arno Garrels [TeamICS]
http://www.overbyte.be/eng/overbyte/teamics.html

 
 Thanks,
 Jack
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