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| author | Roger Dingledine <arma@torproject.org> | 2008-01-21 17:36:47 +0000 |
|---|---|---|
| committer | Roger Dingledine <arma@torproject.org> | 2008-01-21 17:36:47 +0000 |
| commit | e42a6794dc381a08b14fbecff95aef024a23ab1d (patch) | |
| tree | 9183db66f4112bbfea6a0464a9a9fe079ea606aa | |
| parent | 10ed49643e264b375df282269393666c87d30bdb (diff) | |
| download | tor-e42a6794dc381a08b14fbecff95aef024a23ab1d.tar.gz tor-e42a6794dc381a08b14fbecff95aef024a23ab1d.zip | |
condense the rest of the discussion into proposal 129
svn:r13211
| -rw-r--r-- | doc/spec/proposals/129-reject-plaintext-ports | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/doc/spec/proposals/129-reject-plaintext-ports b/doc/spec/proposals/129-reject-plaintext-ports index d92b3a9331..425c9f14f5 100644 --- a/doc/spec/proposals/129-reject-plaintext-ports +++ b/doc/spec/proposals/129-reject-plaintext-ports @@ -1,11 +1,15 @@ -Below is a proposal to mitigate insecure protocol use over Tor. - +Filename: 129-reject-plaintext-ports.txt Title: Block Insecure Protocols by Default +Version: $Revision$ +Last-Modified: $Date$ Author: Kevin Bauer & Damon McCoy -Date: January 15, 2008 +Created: 2008-01-15 +Status: Open Overview: + Below is a proposal to mitigate insecure protocol use over Tor. + This document 1) demonstrates the extent to which insecure protocols are currently used within the Tor network, and 2) proposes a simple solution to prevent users from unknowingly using these insecure protocols. By @@ -38,9 +42,14 @@ Motivation: Security Implications: - None. This proposal is intended to improve Tor's security by limiting the + This proposal is intended to improve Tor's security by limiting the use of insecure protocols. + Roger added: By adding these warnings for only some of the risky + behavior, users may do other risky behavior, not get a warning, and + believe that it is therefore safe. But overall, I think it's better + to warn for some of it than to warn for none of it. + Specification: As an initial step towards mitigating the use of the above-mentioned @@ -88,3 +97,19 @@ References: http://www.wired.com/politics/security/news/2007/09/embassy_hacks. Wired. September 10, 2007. +Implementation: + + Roger added this feature in + http://archives.seul.org/or/cvs/Jan-2008/msg00182.html + He also added a status event for Vidalia to recognize attempts to use + vulnerable-plaintext ports, so it can help the user understand what's + going on and how to fix it. + +Next steps: + + a) Vidalia should learn to recognize this controller status event, + so we don't leave users out in the cold when we enable this feature. + + b) We should decide which ports to reject by default. The current + consensus is 23,109,110,143 -- the same set that we warn for now. + |