| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| *nat |
| :PREROUTING ACCEPT [0:0] |
| :POSTROUTING ACCEPT [0:0] |
| :OUTPUT ACCEPT [0:0] |
| COMMIT |
| *filter |
| :INPUT DROP [0:0] |
| :FORWARD DROP [0:0] |
| :OUTPUT ACCEPT [0:0] |
| :FW_OUTBOUND - [0:0] |
| -A INPUT -d 224.0.0.18/32 -j ACCEPT |
| -A INPUT -d 225.0.0.50/32 -j ACCEPT |
| -A INPUT -i eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT |
| -A INPUT -i eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT |
| -A INPUT -i eth2 -m state --state RELATED,ESTABLISHED -j ACCEPT |
| -A INPUT -p icmp -j ACCEPT |
| -A INPUT -i lo -j ACCEPT |
| -A INPUT -i eth0 -p udp -m udp --dport 67 -j ACCEPT |
| -A INPUT -i eth0 -p udp -m udp --dport 53 -j ACCEPT |
| -A INPUT -i eth0 -p tcp -m tcp --dport 53 -j ACCEPT |
| -A INPUT -i eth1 -p tcp -m state --state NEW --dport 3922 -j ACCEPT |
| -A INPUT -i eth0 -p tcp -m state --state NEW --dport 80 -j ACCEPT |
| -A FORWARD -i eth0 -o eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT |
| -A FORWARD -i eth2 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT |
| -A FORWARD -i eth0 -o eth0 -m state --state NEW -j ACCEPT |
| -A FORWARD -i eth0 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT |
| -A FORWARD -i eth0 -o eth2 -j FW_OUTBOUND |
| -I FW_OUTBOUND -m state --state RELATED,ESTABLISHED -j ACCEPT |
| COMMIT |
| *mangle |
| :PREROUTING ACCEPT [0:0] |
| :INPUT ACCEPT [0:0] |
| :FORWARD ACCEPT [0:0] |
| :OUTPUT ACCEPT [0:0] |
| :POSTROUTING ACCEPT [0:0] |
| -A PREROUTING -m state --state ESTABLISHED,RELATED -j CONNMARK --restore-mark |
| -A POSTROUTING -p udp --dport bootpc -j CHECKSUM --checksum-fill |
| COMMIT |
