From d8084bca6ea9fa0a387988ec15ba7a2f074693c9 Mon Sep 17 00:00:00 2001 From: pimjager Date: Tue, 29 Sep 2015 11:31:20 +0200 Subject: [PATCH] Intro: improved explenation why iptables are needed --- 1intro.tex | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/1intro.tex b/1intro.tex index 1faf5c8..99ade5d 100644 --- a/1intro.tex +++ b/1intro.tex @@ -18,9 +18,10 @@ Java\footnote{\url{http://www.java.com}} TCP driven echo server that executed on a virtualized Ubuntu system\footnote{\url{http://www.ubuntu.com}} running on the Linux kernel\footnote{\url{http://www.kernel.org}} version $3.13$. To test the error behaviour custom iptables output policies have to be -set Listing~\ref{listing:iptables}. This is needen because the OS by default +set Listing~\ref{listing:iptables}. This is needed because the kernel by default closes all connections from unknown sources and the manually created TCP -connections used in testing the implementation are unknown to the OS. +packets used in testing the implementation are from a source unknown to the +kernel. \begin{lstlisting}[label={listing:iptables},caption={settings iptables}] Chain OUTPUT (policy ACCEPT) -- 2.20.1