added webserver.net and nolocal.net network filters

2 files changed, 55 insertions, 0 deletions

diff --git a/etc/nolocal.net b/etc/nolocal.net
new file mode 100644
index 000000000..9c0c6e125
--- /dev/null
+++ b/etc/nolocal.net
@@ -0,0 +1,25 @@
+*filter
+:INPUT DROP [0:0]
+:FORWARD DROP [0:0]
+:OUTPUT ACCEPT [0:0]
+
+###################################################################
+# Client filter rejecting local network traffic, with the exception of DNS traffic
+#
+# Usage:
+#     firejail --net=eth0 --netfilter=/etc/firejail/nolocal.net firefox
+#
+###################################################################
+
+
+-A INPUT -i lo -j ACCEPT
+-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
+-A INPUT -p icmp --icmp-type destination-unreachable -j ACCEPT
+-A INPUT -p icmp --icmp-type time-exceeded -j ACCEPT
+-A INPUT -p icmp --icmp-type echo-request -j ACCEPT
+
+-A OUTPUT -p udp --dport 53 -j ACCEPT
+-A OUTPUT -d 192.168.0.0/16 -j DROP
+-A OUTPUT -d 10.0.0.0/8 -j DROP
+-A OUTPUT -d 172.16.0.0/12 -j DROP
+COMMIT
diff --git a/etc/webserver.net b/etc/webserver.net
new file mode 100644
index 000000000..d165e6faf
--- /dev/null
+++ b/etc/webserver.net
@@ -0,0 +1,30 @@
+*filter
+:INPUT DROP [0:0]
+:FORWARD DROP [0:0]
+:OUTPUT DROP [0:0]
+
+###################################################################
+# Simple webserver filter
+#
+# Usage:
+#   firejail --net=eth0 --ip=192.168.1.105 --netfilter=/etc/firejail/webserver.net /etc/init.d/apache2 start
+#   firejail --net=eth0 --ip=192.168.1.105 --netfilter=/etc/firejail/webserver.net /etc/init.d/nginx start
+#
+###################################################################
+
+# allow webserver traffic
+-A INPUT -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT
+-A OUTPUT -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT
+-A INPUT -p tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT
+-A OUTPUT -p tcp --sport 443 -m state --state ESTABLISHED -j ACCEPT
+
+# allow incoming ping
+-A INPUT -p icmp --icmp-type echo-request -j ACCEPT
+-A OUTPUT -p icmp --icmp-type echo-reply -j ACCEPT
+
+# allow outgoing DNS
+-A OUTPUT -p udp --dport 53 -j ACCEPT
+-A INPUT -p udp --sport 53 -j ACCEPT
+
+COMMIT
+