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Re: ANNOUNCEMENT: PGPfone Beta 7 Now Available for Download
On 12 Jul 96 at 21:31, Arun Mehta wrote:
> At 23:38 10/07/96 -0700, Will Price wrote:
> >ANNOUNCEMENT: PGPfone Beta 7 Now Available for Download
>
> Sorry if this has been discussed before (please point me in the
> right direction if that is the case), but VSNL, my government-owned
> ISP (which also has a monopoly on all international traffic) made me
> sign that I will not use my Internet connection for voice traffic.
> Is there any way they could find out if I were using PGPfone, or
> rather, could I prevent them from finding out?
Arun:
I can't give you a definitive answer here, but I'll take a shot.
Most Internet telephony systems use UDP packets to transfer speech,
since the lower overhead of UDP (as opposed to TCP) allows for better
throughput. I assume (but I'm not certain) that PGPfone works
the same way.
Unfortunately, most of your other TCP/IP communication will be based
on TCP packets. Therefore, it's theoretically possible for your ISP
to monitor your traffic, watching for large numbers of UDP packets.
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Harry Hochheiser [email protected]
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