Iptables Tutorial 1.2.1 | ||
---|---|---|
Prev | Appendix J. Example scripts code-base |
#!/bin/bash # # rc.test-iptables - test script for iptables chains and tables. # # Copyright (C) 2001 Oskar Andreasson <bluefluxATkoffeinDOTnet> # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; version 2 of the License. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program or from the site that you downloaded it # from; if not, write to the Free Software Foundation, Inc., 59 Temple # Place, Suite 330, Boston, MA 02111-1307 USA # # # Filter table, all chains # iptables -t filter -A INPUT -p icmp --icmp-type echo-request \ -j LOG --log-prefix="filter INPUT:" iptables -t filter -A INPUT -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="filter INPUT:" iptables -t filter -A OUTPUT -p icmp --icmp-type echo-request \ -j LOG --log-prefix="filter OUTPUT:" iptables -t filter -A OUTPUT -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="filter OUTPUT:" iptables -t filter -A FORWARD -p icmp --icmp-type echo-request \ -j LOG --log-prefix="filter FORWARD:" iptables -t filter -A FORWARD -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="filter FORWARD:" # # NAT table, all chains except OUTPUT which don't work. # iptables -t nat -A PREROUTING -p icmp --icmp-type echo-request \ -j LOG --log-prefix="nat PREROUTING:" iptables -t nat -A PREROUTING -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="nat PREROUTING:" iptables -t nat -A POSTROUTING -p icmp --icmp-type echo-request \ -j LOG --log-prefix="nat POSTROUTING:" iptables -t nat -A POSTROUTING -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="nat POSTROUTING:" iptables -t nat -A OUTPUT -p icmp --icmp-type echo-request \ -j LOG --log-prefix="nat OUTPUT:" iptables -t nat -A OUTPUT -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="nat OUTPUT:" # # Mangle table, all chains # iptables -t mangle -A PREROUTING -p icmp --icmp-type echo-request \ -j LOG --log-prefix="mangle PREROUTING:" iptables -t mangle -A PREROUTING -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="mangle PREROUTING:" iptables -t mangle -I FORWARD 1 -p icmp --icmp-type echo-request \ -j LOG --log-prefix="mangle FORWARD:" iptables -t mangle -I FORWARD 1 -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="mangle FORWARD:" iptables -t mangle -I INPUT 1 -p icmp --icmp-type echo-request \ -j LOG --log-prefix="mangle INPUT:" iptables -t mangle -I INPUT 1 -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="mangle INPUT:" iptables -t mangle -A OUTPUT -p icmp --icmp-type echo-request \ -j LOG --log-prefix="mangle OUTPUT:" iptables -t mangle -A OUTPUT -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="mangle OUTPUT:" iptables -t mangle -I POSTROUTING 1 -p icmp --icmp-type echo-request \ -j LOG --log-prefix="mangle POSTROUTING:" iptables -t mangle -I POSTROUTING 1 -p icmp --icmp-type echo-reply \ -j LOG --log-prefix="mangle POSTROUTING:"