NN2013
Examples of Neutrality violations
Connection-Reset: Baidu.cn
14:45:11.197146 IP wlan033084.uni-rostock.de.11479 > 220.181.111.147.http:Flags [P.], ack 2789374741, win 65535, length 241
E.....@.@.....!T..o.,..P.J<..B{.P...sZ..
GET /s?wd=falun%20gong HTTP/1.1
Host: www.baidu.com
User-Agent: ELinks/0.11.7 (textmode; FreeBSD
8.0-BETA2 i386; 197x67-2)
Referer: http://www.baidu.com/
Accept: */*
Accept-Encoding: gzip
Accept-Language: en
Connection: Keep-Alive
14:45:11.502060 IP 220.181.111.147.http > wlan033084.uni-rostock.de.11479:Flags [.], ack 241, win 7504, length 0
E..(..@.,..z..o...!T.P,..B{..J<.P..P#...
14:45:11.502466 IP 220.181.111.147.http > wlan033084.uni-rostock.de.11479:Flags [R.], seq 1, ack 241, win 2390, length 0
E..(..@.|.yh..o...!T.P,..B{..J<.P. V6...
14:45:11.503090 IP 220.181.111.147.http > wlan033084.uni-rostock.de.11479:Flags [R.], seq 1461, ack 241, win 2391, length 0
E..(..@.}.xk..o...!T.P,..B...J<.P. W1H..
14:45:11.503432 IP 220.181.111.147.http > wlan033084.uni-rostock.de.11479:Flags [R.], seq 4381, ack 241, win 2392, length 0
E..(..@.~.u...o...!T.P,..B.1.J<.P. X%...
The test was performed in February 2011.
\subsection{Content-Manipulation: SMTP-EHLO} \label{lsting:smtp} \begin{scriptsize} \begin{verbatim} 220 mail.gmx.net GMX Mailservices ESMTP {mp003} EHLO tralalal 250-mail.gmx.net GMX Mailservices 250-8BITMIME 250-ENHANCEDSTATUSCODES 250-SIZE 250-AUTH=LOGIN PLAIN 250-AUTH LOGIN PLAIN 250 STARTTLS \end{verbatim} Using the Internet uplink provided by the Studentenwerk Rostock (test performed in September 2011), the answer changes: \begin{verbatim} 220 ******************************************* EHLO tralala 250-mail.gmx.net GMX Mailservices 250-8BITMIME 250-ENHANCEDSTATUSCODES 250-SIZE 250-AUTH=LOGIN PLAIN 250-AUTH LOGIN PLAIN 250 XXXXXXXA \end{verbatim} \end{scriptsize}
\subsection{Content-Manipulation: HTML-File and Images} \label{lsting:UMTS} \begin{scriptsize} \begin{verbatim} <html> <body><img src="eins.png"></body> </html> \end{verbatim}
This content is contained in a file on a web server. It includes a graphic file. Acquired through the UMTS network of the German Internet service provider ``1\&1, the file appears with the following content:
\begin{verbatim} <html> <script src="http://1.2.3.4/bmi-int-js/bmi.js" language="javascript"></script> <body> <img src="http://1.1.1.4/bmi/139.30.1.202/ad001/down/eins. png"> </body> </html> <script language="javascript"> \end{verbatim} \end{scriptsize}
\subsection{Connection-Manipulation: IP-Address-Spoofing} \label{lsting:ipspoofing} \subsubsection{Human-Readable} The request may be as follows: \begin{scriptsize} \begin{verbatim} GET / HTTP/1.1 Host: heise.de Accept: */* \end{verbatim} It is issued to the IP addresses assigned to the domain \verb,heise.de,: \begin{verbatim} [ad001@glas /usr/home/ad001]$ host heise.de heise.de has address 193.99.144.80 heise.de has IPv6 address 2a02:2e0:3fe:100::8 heise.de mail is handled by 10 relay.heise.de. [ad001@glas /usr/home/ad001]$ perl -e 'print "GET / HTTP/1.1\r\nHost: heise.de\r\nAccept: */*\r\n\r\n"' | nc 193.99.144.80 80 HTTP/1.1 302 Found Date: Fri, 04 Mar 2011 13:23:17 GMT Server: Apache Location: http://blue4.wlan.uni-rostock.de/login.pl?action= which_interface&destination=http://heise.de/%3f Connection: close Transfer-Encoding: chunked Content-Type: text/html; charset=iso-8859-1
118 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <HTML><HEAD> <TITLE>302 Found</TITLE> </HEAD><BODY>
Found
The document has moved <A HREF="http://blue4. wlan.uni-rostock.de/login.pl?action=which_interface
&destination=http://heise.de/%3f">here</A>.</BODY></HTML> 0 Connection closed by foreign host. \end{verbatim} \end{scriptsize} \subsubsection{Dumps} \begin{scriptsize} \begin{verbatim} 14:32:35.503903 IP 139.30.32.197.59424 > 193.99.144.80.http: Flags [P.], ack 1, win 8326, options [nop,nop,TS val 1091444 ecr 2443535463], length 47 E..c.U@.@.:... ..c.P. .P......(... ........ ...t..dgGET / HTTP/1.1 Host: heise.de Accept: */* [...] 14:32:35.519615 IP 193.99.144.80.http > 139.30.32.197.59424: Flags [FP.], seq 65:568, ack 48, win 1448, options [nop,nop,TS val 2443535486 ecr 1091444], length 503 E..+L.@.@....c.P.. ..P. ..)%............... ..d~...t Apache Location: http://blue4.wlan.uni-rostock.de/login.pl?action= which_interface&destination=http://heise.de/%3f Connection: close Transfer-Encoding: chunked Content-Type: text/html; charset=iso-8859-1 118 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <HTML><HEAD> <TITLE>302 Found</TITLE> </HEAD><BODY>
Found
The document has moved <A HREF="http://blue4.wlan.uni-rostock.de/ login.pl?action=which_interface&destination=http://heise.de/ %3f">here</A>.<P> </BODY></HTML>
0 \end{verbatim}
\end{scriptsize}