Re: [tor-relays] Tor listenes to UDP ports?

Subject: Re: [tor-relays] Tor listenes to UDP ports?

From: Noilson Caio <caiogore@xxxxxxxxx>

Date: Tue, 14 Jan 2014 13:35:29 -0200

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Complementing:

tcpdump -w "$udpport".cap port "$udpport"

On Mon, Jan 13, 2014 at 9:17 PM, Drake Wilson <drake@xxxxxxxxxxxxxx> wrote:

Quoth Wollomatic <wollomatic@xxxxxxxxx>, on 2014-01-14 00:29:39 +0100:

> Since I thought Tor only uses TCP may this be a security problem with my
> server?

Since UDP is a connectionless datagram protocol, there is no
distinguished "listening" state. It seems more likely that those are
sockets for outgoing DNS requests. Have you monitored the traffic on
those ports to see what it is?

---> Drake Wilson
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