ansible
/
firewall_iptables
Watch 1
Star 0
Fork 0
Code Issues 0 Pull Requests 0 Releases 0 Wiki Activity
Browse Source

Initial firewall rules added

master
Dirk Alders 1 year ago
parent
59ee37bbdf
commit
957ba3484e
2 changed files with 54 additions and 0 deletions
Unified View Show Diff Stats
  1. 54
    0
      rules.v4
  2. 0
    0
      rules.v6

+ 54
- 0
rules.v4 View File

1 
+# Generated by iptables-save v1.8.7 on Sat Sep 30 17:14:59 2023
2 
+*filter
3 
+:INPUT DROP [0:0]
4 
+:FORWARD DROP [714:52472]
5 
+:OUTPUT DROP [568:27264]
6 
+-A INPUT -p icmp -m icmp --icmp-type 8 -m comment --comment "accept incomming pings" -j ACCEPT
7 
+-A INPUT -p udp -m udp --sport 67:68 --dport 67:68 -m comment --comment "accept incomming dhcp" -j ACCEPT
8 
+-A INPUT -p udp -m udp --dport 53 -m comment --comment "accept incomming dns" -j ACCEPT
9 
+-A INPUT -p tcp -m tcp --dport 53 -m comment --comment "accept incomming dns" -j ACCEPT
10 
+-A INPUT -p udp -m udp --dport 123 -m comment --comment "accept incomming ntp" -j ACCEPT
11 
+-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -m comment --comment "accept all incomming established and related trafic" -j ACCEPT
12 
+-A INPUT -i lo -m comment --comment "accept all incoming traffic of loopback device" -j ACCEPT
13 
+-A INPUT -i eth0.30 -m comment --comment "accept all incoming traffic of eth0.30 device" -j ACCEPT
14 
+-A INPUT -m comment --comment "Reject all remaining traffic" -j REJECT --reject-with icmp-port-unreachable
15 
+-A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -m comment --comment "forward all established and related traffic" -j ACCEPT
16 
+-A FORWARD -p icmp -m icmp --icmp-type 8 -m comment --comment "forward all pings" -j ACCEPT
17 
+-A FORWARD -p udp -m udp --dport 123 -m comment --comment "forward all ntp request" -j ACCEPT
18 
+-A FORWARD -p udp -m udp --sport 123 -m comment --comment "forward all ntp request" -j ACCEPT
19 
+-A FORWARD ! -d 192.168.0.0/16 -i eth0.30 -o eth0 -m comment --comment "forward all traffic from vlan30 to the internet" -j ACCEPT
20 
+-A FORWARD -d 192.168.0.0/24 -i eth0.30 -o eth0 -m comment --comment "forward all traffic from vlan30 to vlan10" -j ACCEPT
21 
+-A FORWARD ! -d 192.168.0.0/16 -i eth0.40 -o eth0 -p tcp -m tcp --dport 80:443 -m comment --comment "forward all http and https traffic from vlan40 to the internet" -j ACCEPT
22 
+-A FORWARD ! -d 192.168.0.0/16 -i eth0.40 -o eth0 -p tcp -m tcp --dport 8080 -m comment --comment "forward port 8080 to the internet for siemens dishwasher" -j ACCEPT
23 
+-A FORWARD ! -d 192.168.0.0/16 -i eth0.60 -o eth0 -p tcp -m tcp --dport 80:443 -m comment --comment "forward all http and https traffic from vlan60 to the internet" -j ACCEPT
24 
+-A FORWARD -d 192.168.20.0/24 -i eth0.30 -o eth0.20 -m comment --comment "forward traffic from vlan30 to VLAN20" -j ACCEPT
25 
+-A FORWARD -d 192.168.30.0/24 -i eth0.40 -o eth0.30 -p tcp -m tcp --dport 1883 -m comment --comment "forward mqtt traffic from vlan40 to VLAN30" -j ACCEPT
26 
+-A FORWARD -d 192.168.30.0/24 -i eth0.50 -o eth0.30 -p tcp -m tcp --dport 1883 -m comment --comment "forward mqtt traffic from vlan50 to VLAN30" -j ACCEPT
27 
+-A FORWARD -d 192.168.30.0/24 -i eth0.50 -o eth0.30 -p tcp -m tcp --dport 21 -m comment --comment "forward ftp traffic from vlan50 to VLAN30 (brother printer)" -j ACCEPT
28 
+-A FORWARD -d 192.168.40.0/24 -i eth0.30 -o eth0.40 -m comment --comment "forward traffic from vlan30 to VLAN40" -j ACCEPT
29 
+-A FORWARD -d 192.168.50.0/24 -i eth0.30 -o eth0.50 -m comment --comment "forward traffic from vlan30 to VLAN50" -j ACCEPT
30 
+-A OUTPUT -p icmp -m icmp --icmp-type 8 -m comment --comment "accept outgoing pings" -j ACCEPT
31 
+-A OUTPUT -p udp -m udp --sport 67:68 --dport 67:68 -m comment --comment "accept outgoing dhcp" -j ACCEPT
32 
+-A OUTPUT -p udp -m udp --dport 53 -m comment --comment "accept outgoing dns" -j ACCEPT
33 
+-A OUTPUT -p tcp -m tcp --dport 53 -m comment --comment "accept outgoing dns" -j ACCEPT
34 
+-A OUTPUT -p udp -m udp --dport 123 -m comment --comment "accept outgoing ntp" -j ACCEPT
35 
+-A OUTPUT -p tcp -m tcp --dport 22 -m comment --comment "accept outgoing ssh" -j ACCEPT
36 
+-A OUTPUT -m conntrack --ctstate RELATED,ESTABLISHED -m comment --comment "accept all outgoing established and related trafic" -j ACCEPT
37 
+-A OUTPUT -o lo -m comment --comment "accept all outgoing traffic of the loopback device" -j ACCEPT
38 
+-A OUTPUT -o eth0.30 -m comment --comment "accept all outgoing traffic of the eth0.30 device" -j ACCEPT
39 
+-A OUTPUT ! -d 192.168.0.0/16 -o eth0 -m comment --comment "accept all outgoing traffic to the internet" -j ACCEPT
40 
+COMMIT
41 
+# Completed on Sat Sep 30 17:14:59 2023
42 
+# Generated by iptables-save v1.8.7 on Sat Sep 30 17:14:59 2023
43 
+*nat
44 
+:PREROUTING ACCEPT [0:0]
45 
+:INPUT ACCEPT [0:0]
46 
+:OUTPUT ACCEPT [0:0]
47 
+:POSTROUTING ACCEPT [0:0]
48 
+-A POSTROUTING -o eth0 -m comment --comment "masquerade ->eth0" -j MASQUERADE
49 
+-A POSTROUTING -o eth0.20 -m comment --comment "masquerade ->eth0.20" -j MASQUERADE
50 
+-A POSTROUTING -o eth0.30 -m comment --comment "masquerade ->eth0.30" -j MASQUERADE
51 
+-A POSTROUTING -o eth0.40 -m comment --comment "masquerade ->eth0.40" -j MASQUERADE
52 
+-A POSTROUTING -o eth0.50 -m comment --comment "masquerade ->eth0.50" -j MASQUERADE
53 
+COMMIT
54 
+# Completed on Sat Sep 30 17:14:59 2023

+ 0
- 0
rules.v6 View File


Write Preview
Loading…
Cancel
Save