[ale] UDP over TCP?

Robert L. Harris Robert.L.Harris at rdlg.net
Wed Sep 25 12:13:24 EDT 2002




You have root on your machine and the target, or a machine outside?
Tunnel the traffic with stunnel or a pptp tunnel.  Works great once you
figure out the details.

Thus spake Fletch (fletch at phydeaux.org):

> To: <ale at ale.org>
> From: Fletch <fletch at phydeaux.org>
> Organization: Very Little
> Date: 25 Sep 2002 11:45:41 -0400
> Subject: Re: [ale] UDP over TCP?
> 
> >>>>> "John" == John Wells <jb at sourceillustrated.com> writes:
> 
>     John> I have a need to get UDP packets through our company's
>     John> firewall, which drops UDP by default.  I'd like to tunnel it
>     John> through TCP, if possible.  Are there any tools that will
>     John> allow you to do this?
> 
>         If you've got a socks proxy on the firewall and could point
> your app at that that'd probably be the easiest thing.  Next easiest
> would be to get the admin to open a hole in the firewall for your
> specific app.
> 
> 
>         Barring either of those two, you'd need to write your own
> application level proxy that listens for the UDP packets, wraps them
> up with some sort of framing mechanism, and drops them onto a TCP
> stream.  The other end outside the firewall undoes the framing and
> spits the UDP back out.  If you google for `UDP application proxy' you
> might turn up something useful.
> 
> 
> -- 
> Fletch                | "If you find my answers frightening,       __`'/|
> fletch at phydeaux.org   |  Vincent, you should cease askin'          \ o.O'
> 770 933-0600 x211(w)  |  scary questions." -- Jules                =(___)=
> 770 294-0820 (m)      |                                               U
> 
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:wq!
---------------------------------------------------------------------------
Robert L. Harris                
                               
DISCLAIMER:
      These are MY OPINIONS ALONE.  I speak for no-one else.
FYI:
 perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'


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