Complete the last commit.

README.ulogd

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+# ---
+# - Install netfilter userspace logging daemon.
+# ---
+apt-get install ulogd2
+
+# ---
+# - Adjust configuration file '/etc/ulogd.conf'
+# ---
+
+# - (1) 
+# -
+# - Define two new plugin stacks inside '[global]'.
+# -
+# -     directly after the last "plugin="/usr/lib.." statement add:
+# -
+# -        # ====================================================================
+# -        # Define two new plugin stacks inside for iptables logging
+# -        # ====================================================================
+# -        # -
+# -        # -    firewall11 - for IPv4 Firewall
+# -        # -    firewall12 - for IPv6 Firewall
+# -        # -
+# -        stack=firewall11:NFLOG,base1:BASE,ifi1:IFINDEX,ip2str1:IP2STR,print1:PRINTPKT,emu11:LOGEMU
+# -        stack=firewall12:NFLOG,base1:BASE,ifi1:IFINDEX,ip2str1:IP2STR,print1:PRINTPKT,emu12:LOGEMU
+# -
+vim /etc/ulogd.conf
+
+# - (2)
+# -
+# -    - Define input plugins using above specified netlink group
+# -    - Define output plugins
+# -
+cat <<EOF >> /etc/ulogd.conf
+
+
+# =========================================================
+# Define input plugins using specified netlink group inside
+# =========================================================
+
+[firewall11]
+group=11
+
+[firewall12]
+group=12
+
+
+# =====================
+# Define output plugins 
+# =====================
+
+[emu11]
+file="/var/log/ulog/iptables.log"
+sync=1
+
+[emu12]
+file="/var/log/ulog/ip6tables.log"
+sync=1
+
+EOF