<div dir="ltr">OK, thanks for the clarification and raising the ticket.<div><br></div><div>To answer the why - for starters I'm trying to run a local tor network for fun and to learn more about tor.</div><div><br></div><div>Why am I trying to put a hostname in there? Because the system I'm setting up the network in may not have static IPs. As I understand it I need to maintain a DirAuthority line with a hard coded IP for each and every directory authority I run myself. If I can use a DNS name, this will mean I end up updating the torrc with DirAuthority lines a lot less. With IPs I am forced to change every torrc in my network every time an IP changes.</div><div><br></div><div>There are certainly ways around this (I could have a script populate torrc based upon DNS, for example) but it would make my life easier if I didn't have to.</div><div><br></div><div>Thanks</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 6 February 2017 at 23:10, teor <span dir="ltr"><<a href="mailto:teor2345@gmail.com" target="_blank">teor2345@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=""><br>
> On 7 Feb 2017, at 03:31, Andrew Smith <<a href="mailto:me@andrewmichaelsmith.com">me@andrewmichaelsmith.com</a>> wrote:<br>
><br>
> Hi<br>
><br>
> I'm experimenting running my own tor network. To achieve this I'm setting DirAuthority in torrc.<br>
><br>
> But it seems that I cannot use a hostname for my DirAuthority.<br>
<br>
</span>Why are you trying to do this?<br>
If you share your goal, we might be able to help you with a workaround<br>
or alternate strategy.<br>
<br>
For example, if you use a hostname in the "Address" field, your<br>
authority will look it up, add the IPv4 to its descriptor, and then<br>
other authorities, relays, and clients will use that address.<br>
(After the network has bootstrapped using the original address.)<br>
<span class=""><br>
> For example:<br>
><br>
> DirAuthority da1 orport=7000 no-v2 v3ident=xxx da1:7000 xxx<br>
><br>
> Results in the error:<br>
><br>
> Unrecognized flag 'da1:7000' on DirAuthority line<br>
><br>
> If I replace "da1" with an IP address there is no error. Is this expected behaviour?<br>
<br>
</span>It is the implemented behaviour, and has been since at least 2006<br>
(tor-0.1.2.2-alpha). The code responsible is:<br>
<br>
while (smartlist_len(items)) {<br>
char *flag = smartlist_get(items, 0);<br>
if (TOR_ISDIGIT(flag[0]))<br>
break;<br>
<br>
Which means that only IPv4 addresses are guaranteed to work here.<br>
<span class=""><br>
> I'm running tor v0.2.8.12. The documentation calls this an "address" (as opposed to other parts which refer to an "IP") which made me think a hostname would work.<br>
<br>
</span>The "Address" torrc option takes a hostname, as do some other options<br>
(I think the HiddenServicePort target is another.)<br>
<br>
Thanks for the bug report, we'll fix the man page:<br>
<a href="https://trac.torproject.org/projects/tor/ticket/21405" rel="noreferrer" target="_blank">https://trac.torproject.org/<wbr>projects/tor/ticket/21405</a><br>
<br>
T<br>
<br>
--<br>
Tim Wilson-Brown (teor)<br>
<br>
teor2345 at gmail dot com<br>
PGP C855 6CED 5D90 A0C5 29F6 4D43 450C BA7F 968F 094B<br>
ricochet:ekmygaiu4rzgsk6n<br>
xmpp: teor at torproject dot org<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">Andy Smith<div><div><div><a href="http://andrewmichaelsmith.com" target="_blank">http://andrewmichaelsmith.com</a> | @bingleybeep</div></div></div></div></div>
</div>