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Re: [tor-bugs] #1676 [Tor bundles/installation]: Audit jabber/XMPP support for pidgin
#1676: Audit jabber/XMPP support for pidgin
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Reporter: katmagic | Owner: ioerror
Type: defect | Status: assigned
Priority: critical | Milestone:
Component: Tor bundles/installation | Version:
Keywords: pidgin, DNS | Parent: #2918
Points: | Actualpoints:
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Comment(by rransom):
Now that we can tell Pidgin to never perform direct (unproxied) DNS SRV
queries, we need to either (a) teach Pidgin to perform the SRV query it
needs for XMPP using DNS-over-TCP over Tor (and pick a TCP-capable DNS
server for Pidgin to use, so it won't connect to the user's system-wide
DNS resolver (i.e. the user's ISP) over Tor), or (b) provide a separate
tool to perform the required SRV query and tell users how to feed the
results to Pidgin ''and tell users how to find and use that tool''.
If we decide to provide a separate tool (possibly as a stopgap solution),
the DNS SRV query is for the âhostnameâ `_xmpp-client._tcp.gmail.com`, and
the resulting hostname and port go in the âConnect serverâ and âConnect
portâ fields, respectively, on the âAdvancedâ tab of Pidgin's account
settings dialog. (I don't know how to parse the hostname and port out of
the SRV reply.)
See [attachment:pidgin-gtalk-dns-queries-2011-05-26-01-summary-lines.txt
pidgin-gtalk-dns-queries-2011-05-26-01-summary-lines.txt] for a Wireshark
packet-summary dump of Pidgin performing the SRV query required for an
XMPP account on `gmail.com`.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/1676#comment:24>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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