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[tor-bugs] #7836 [Tor]: Incorrect "non-loopback address" warnings
#7836: Incorrect "non-loopback address" warnings
---------------------+------------------------------------------------------
Reporter: fk | Owner:
Type: defect | Status: new
Priority: trivial | Milestone:
Component: Tor | Version: Tor: 0.2.4.7-alpha
Keywords: | Parent:
Points: | Actualpoints:
---------------------+------------------------------------------------------
When running Tor in a FreeBSD jail with the IP address 10.0.0.2, a torrc
that contains these directives:
TransListenAddress 127.0.0.1
SocksListenAddress 10.0.0.2
ControlListenAddress 127.0.0.1
Results in these messages:
{{{
Dec 31 11:27:31.879 [notice] Tor v0.2.4.7-alpha (git-e46e1ed1bc50ad24)
(with bufferevents) running on FreeBSD with Libevent 2.0.16-stable and
OpenSSL 1.0.1c.
Dec 31 11:27:31.880 [notice] Tor can't help you if you use it wrong! Learn
how to be safe at https://www.torproject.org/download/download#warning
Dec 31 11:27:31.880 [notice] This version is not a stable Tor release.
Expect more bugs than usual.
Dec 31 11:27:31.880 [notice] Read configuration file
"/usr/local/etc/tor/torrc".
Dec 31 11:27:31.893 [notice] You configured a non-loopback address
'10.0.0.2:9050' for SocksPort. This allows everybody on your local network
to use your machine as a proxy. Make sure this is what you wanted.
Dec 31 11:27:31.893 [notice] You configured a non-loopback address
'10.0.0.2:9050' for DNSPort. This allows everybody on your local network
to use your machine as a proxy. Make sure this is what you wanted.
Dec 31 11:27:31.893 [notice] You configured a non-loopback address
'10.0.0.2:9050' for TransPort. This allows everybody on your local network
to use your machine as a proxy. Make sure this is what you wanted.
[...]
Dec 31 11:27:31.895 [notice] You configured a non-loopback address
'10.0.0.2:9050' for SocksPort. This allows everybody on your local network
to use your machine as a proxy. Make sure this is what you wanted.
Dec 31 11:27:31.895 [notice] You configured a non-loopback address
'10.0.0.2:9050' for DNSPort. This allows everybody on your local network
to use your machine as a proxy. Make sure this is what you wanted.
Dec 31 11:27:31.895 [notice] You configured a non-loopback address
'10.0.0.2:9050' for TransPort. This allows everybody on your local network
to use your machine as a proxy. Make sure this is what you wanted.
Dec 31 11:27:31.895 [notice] Opening Socks listener on 10.0.0.2:9050
Dec 31 11:27:31.896 [notice] Opening DNS listener on 127.0.0.1:53
Dec 31 11:27:31.896 [notice] Opening Transparent pf/netfilter listener on
127.0.0.1:9040
Dec 31 11:27:31.896 [notice] Opening Control listener on 127.0.0.1:9051
Dec 31 11:27:31.896 [notice] Opening Control listener on /var/run/tor/tor-
socket
}}}
The fact that some messages are shown twice is #4019, this report is about
the incorrect warnings for the listeners on 127.0.0.1. It looks like the
Socks address 10.0.0.2:9050 is used for all complaints.
With a torrc that contains these directives:
TransListenAddress 127.0.0.1
SocksListenAddress 127.0.0.1
ControlListenAddress 127.0.0.1
No warnings are shown, even though the risk (in the described FreeBSD
jail) is equivalent.
{{{
Dec 31 12:19:17.414 [notice] Tor v0.2.4.7-alpha (git-e46e1ed1bc50ad24)
(with bufferevents) running on FreeBSD with Libevent 2.0.16-stable and
OpenSSL 1.0.1c.
Dec 31 12:19:17.415 [notice] Tor can't help you if you use it wrong! Learn
how to be safe at https://www.torproject.org/download/download#warning
Dec 31 12:19:17.415 [notice] This version is not a stable Tor release.
Expect more bugs than usual.
Dec 31 12:19:17.415 [notice] Read configuration file
"/usr/local/etc/tor/torrc".
[...]
Dec 31 12:19:17.431 [notice] Opening Socks listener on 127.0.0.1:9050
Dec 31 12:19:17.431 [notice] Opening DNS listener on 127.0.0.1:53
Dec 31 12:19:17.431 [notice] Opening Transparent pf/netfilter listener on
127.0.0.1:9040
Dec 31 12:19:17.431 [notice] Opening Control listener on 127.0.0.1:9051
Dec 31 12:19:17.431 [notice] Opening Control listener on /var/run/tor/tor-
socket
}}}
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7836>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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