commit df7b3707a9a082377772e9bc580f0094d9bee742 Author: Karsten Loesing karsten.loesing@gmx.net Date: Wed Aug 22 08:01:07 2012 +0200

Turn tor-nat-plan into a Tor Tech Report. --- 2012/tor-nat-plan/.gitignore | 1 + 2012/tor-nat-plan/tor-nat-plan.bib | 56 +++++++++--------------------------- 2012/tor-nat-plan/tor-nat-plan.tex | 50 +++++++++++--------------------- 2012/tor-nat-plan/tortechrep.cls | 1 + 4 files changed, 33 insertions(+), 75 deletions(-)

diff --git a/2012/tor-nat-plan/.gitignore b/2012/tor-nat-plan/.gitignore index 59cf12a..1053ba0 100644 --- a/2012/tor-nat-plan/.gitignore +++ b/2012/tor-nat-plan/.gitignore @@ -1,2 +1,3 @@ tor-nat-plan.pdf +tor-nat-plan-2012-08-22.pdf

diff --git a/2012/tor-nat-plan/tor-nat-plan.bib b/2012/tor-nat-plan/tor-nat-plan.bib index e2a5dfd..35715bd 100644 --- a/2012/tor-nat-plan/tor-nat-plan.bib +++ b/2012/tor-nat-plan/tor-nat-plan.bib @@ -1,47 +1,19 @@ -@MISC{dummy, - author={nobody}, - title = {nothing}, - note = {\url{http://example.com%7D%7D, - year = {2011} +@inproceedings{dingledine2004tor, + title = {{Tor}: The Second-Generation Onion Router}, + author = {Roger Dingledine and Nick Mathewson and Paul Syverson}, + booktitle = {Proceedings of the 13th USENIX Security Symposium}, + year = {2004}, + month = {August}, + note = {\url{https://svn.torproject.org/svn/projects/design-paper/tor-design.pdf%7D%7D, }

- -@techreport{dingledine2004tor, - title={Tor: The second-generation onion router}, - author={Dingledine, R. and Mathewson, N. and Syverson, P.}, - year={2004}, - institution={DTIC Document} -} @inproceedings{muller2010autonomous, - title={Autonomous nat traversal}, - author={Muller, A. and Evans, N. and Grothoff, C. and Kamkar, S.}, - booktitle={Peer-to-Peer Computing (P2P), 2010 IEEE Tenth International -Conference on}, - pages={1--4}, - year={2010}, - organization={IEEE} -} - -@misc{wiki:000, - author = "Wikipedia", - title = "STUN --- {W}ikipedia{,} The Free Encyclopedia", - year = "2012", - url = "\url{https://en.wikipedia.org/w/index.php?title=STUN&oldid=480053418%7D", - note = "[Online; accessed 20-March-2012]" + title = {Autonomous {NAT} Traversal}, + author = {Andreas M"{u}ller and Nathan Evans and Christian Grothoff and Samy Kamkar}, + booktitle = {10th IEEE International Conference on Peer-to-Peer Computing (P2P)}, + year = {2010}, + month = {August}, + pages = {1--4}, + organization={IEEE}, }

-@misc{wiki:001, - author = "Wikipedia", - title = "TURN --- {W}ikipedia{,} The Free Encyclopedia", - year = "2012", - url = "\url{https://en.wikipedia.org/w/index.php?title=Traversal_Using_Relays_around_NAT...", - note = "[Online; accessed 20-March-2012]" -} - -@misc{wiki:002, - author = "Wikipedia", - title = "ICE --- {W}ikipedia{,} The Free Encyclopedia", - year = "2012", - url = "\url{https://en.wikipedia.org/w/index.php?title=Interactive_Connectivity_Establis...", - note = "[Online; accessed 20-March-2012]" -} diff --git a/2012/tor-nat-plan/tor-nat-plan.tex b/2012/tor-nat-plan/tor-nat-plan.tex index af19aff..0c0b44d 100644 --- a/2012/tor-nat-plan/tor-nat-plan.tex +++ b/2012/tor-nat-plan/tor-nat-plan.tex @@ -1,17 +1,5 @@ -\documentclass{article} -%\usepackage{palatcm} -\usepackage{censor} - -\usepackage{listings} -\lstset{language=python,breaklines=true} - -\usepackage{fancyhdr} -\usepackage{color} +\documentclass{tortechrep} \usepackage{graphicx} -\usepackage{fullpage} -\setlength{\headheight}{12pt} -\setlength{\headsep}{12pt} -\addtolength{\textheight}{-24pt}

\usepackage{prettyref} \newrefformat{sec}{Section~\ref{#1}} @@ -42,26 +30,20 @@ \newcommand{\ia}{inter alia\xspace} \makeatother

- -\newcommand{\thetitle}{Tor and NAT devices: increasing bridge & relay reachability} -\title{\thetitle\or,\enabling the use of NAT--PMP and UPnP by default} +\title{Tor and NAT devices:\increasing bridge & relay reachability\% +or,\enabling the use of NAT--PMP and UPnP by default}

%% Please add your name in here if you contribute -\author{Jacob Appelbaum - \jacob@torproject.org - } -\pagestyle{fancy} -\fancyhf{} - -\fancyhead[C]{\thetitle} -\fancyfoot[C]{\thepage} +\author{Jacob Appelbaum} +\contact{jacob@torproject.org} +\reportid{2012-08-001} +\date{August 22, 2012}

\begin{document}

-\thispagestyle{plain} - \maketitle

+\begin{abstract} Tor relays and Tor bridges require at least a single reachable TCP port. This document discusses the current methods for enabling and enhancing Tor bridge and Tor relay reachability when behind a consumer grade @@ -69,10 +51,7 @@ NAT device. Such reachability improvements are extremely important for embedded devices that provide Tor relaying or Tor bridging services. We propose the use of NAT--PMP and/or UPnP protocol(s) to ensure that inbound connectivity is possible. - -\pagebreak -\tableofcontents -\pagebreak +\end{abstract}

%\section{License} %This work is released under the Creative Commons @@ -87,7 +66,7 @@ possible. \label{introduction}

-Tor\cite{dingledine2004tor} is the second-generation onion router -- it is both +Tor~\cite{dingledine2004tor} is the second-generation onion router -- it is both client and server software in a single program. When {\em Tor} is configured to be a relay or bridge, it requires a public IPv4 address and at least a single TCP port for its Onion Router Port (ORPort). Tor does not directly need to be @@ -115,7 +94,13 @@ mention it when applicable.

While other methods of NAT traversal are possible, we consider them to be out of scope at this time due to their reliance on third parties -(STUN~\cite{wiki:000}, TURN~\cite{wiki:001}, ICE~\cite{wiki:002}, etc) or +(STUN% +\footnote{\url{https://en.wikipedia.org/w/index.php?title=STUN%5C&oldid=480053418%7D%7D, +TURN% +\footnote{\url{https://en.wikipedia.org/w/index.php?title=Traversal%5C_Using%5C_Relays%5C_a..., +ICE% +\footnote{\url{https://en.wikipedia.org/w/index.php?title=Interactive%5C_Connectivity%5C_Es..., +etc) or because they require specialized client software (pwnat~\cite{muller2010autonomous}, etc) to access services offered behind a NAT device; this topic is discussed in section \ref{third}. The @@ -297,7 +282,6 @@ size or complexity. I would like to thank the University of Washington Security and Privacy Research Lab and other anonymous cypherpunks who contributed valuable feedback.

-\bibliographystyle{acm} \bibliography{tor-nat-plan}

\end{document} diff --git a/2012/tor-nat-plan/tortechrep.cls b/2012/tor-nat-plan/tortechrep.cls new file mode 120000 index 0000000..4c24db2 --- /dev/null +++ b/2012/tor-nat-plan/tortechrep.cls @@ -0,0 +1 @@ +../../tortechrep.cls \ No newline at end of file