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<div class="moz-cite-prefix">I only use 100 ports as well but we
have a very low call volume.<br>
I thought that I saw that you need to allocate 2 ports for every
simultaneous call that you need to support.<br>
The ports are free (no charge) and are UDP not TCP so you do not
lose any TCP ports. <br>
<br>
I am not sure what a hacker could do if they attacked these ports.<br>
<br>
Ron<br>
<br>
On 18/09/2013 2:29 PM, Ira wrote:<br>
</div>
<blockquote cite="mid:1717054063.20130918112953@extrasensory.com"
type="cite">
<title>Re: [asterisk-users] RTP port ranges</title>
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<span style=" font-family:'courier new'; font-size: 9pt;">Hello
Thorsten,<br>
<br>
Tuesday, September 17, 2013, 1:05:15 AM, you wrote:<br>
<br>
</span>
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<td width="2" bgcolor="#0000ff"><br>
</td>
<td><span style=" font-family:'arial'; font-size: 10pt;">Where
is it stated that you MUST use 10000-20000 ???<br>
<br>
Someone else please ?<br>
</span></td>
</tr>
</tbody>
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<br>
<br>
<span style=" font-family:'Arial'; font-size: 10pt;">Well, I don't
use that range. This is that part of my rtp.conf<br>
<br>
rtpstart=16000<br>
rtpend=16100<br>
<br>
I knew I didn't need the default 25000 ports, in fact 100 is
probably more than 10 times what I'll ever need.<br>
<br>
Been working for for 5 years with those numbers. I decided when
I first did this that if I used non standard ports I might be
less susceptible to hacking. Probably not accurate, but I did it
anyway.<br>
<br>
-- Ira
<br>
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<br>
<pre class="moz-signature" cols="72">--
Ron Wheeler
President
Artifact Software Inc
email: <a class="moz-txt-link-abbreviated" href="mailto:rwheeler@artifact-software.com">rwheeler@artifact-software.com</a>
skype: ronaldmwheeler
phone: 866-970-2435, ext 102</pre>
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