diff --git a/Howtonfdump.md b/Howtonfdump.md
index de1f4241..a371c949 100644
--- a/Howtonfdump.md
+++ b/Howtonfdump.md
@@ -94,6 +94,38 @@ Quelques exemples utiles :
 # nfdump -M /var/cache/nfdump -R . 'proto tcp and dst host 192.0.2.1 and dst port 80' -s srcip/flows
 ~~~
 
-## NfSen
+## NfSen & nfdump
 
-TODO
\ No newline at end of file
+### Installer le module PERL Socket6
+
+~~~
+perl -MCPAN -e 'install Socket6'
+~~~
+
+### Installer nfdump
+
+~~~
+wget https://sourceforge.net/projects/nfdump/files/stable/nfdump-1.6.13/nfdump-1.6.13.tar.gz/download
+tar zxvf nfdump-1.6.13.tar.gz
+cd nfdump-1.6.13
+./configure --enable-nfprofile --enable-nftrack
+make && make install
+~~~
+
+### Installer nfsen
+
+~~~
+wget https://sourceforge.net/projects/nfsen/files/stable/nfsen-1.3.8/nfsen-1.3.8.tar.gz/download
+tar zxvf nfsen-1.3.8.tar.gz
+cd ./nfsen-1.3.8
+cp etc/nfsen-dist.conf /etc/nfsen.conf
+vim /etc/nfsen.conf
+mkdir -p /opt/nfsen/data/nfsen
+mkdir -p /opt/nfsen/www
+adduser nfsen
+adduser nfsen www-data
+chown -R nfsen:www-data /opt/nfsen
+./install.pl /etc/nfsen.conf
+cd /opt/nfsen/data/nfsen/bin/
+./nfsen start
+~~~