Yes, you always need 2 different rules. However, you can create a new chain (eg log-and-drop) that contains those 2 rules, and have your regular chains jump there if needed.
You might also want to limit the number of log messages by using the (aptly named) limit module (described here), lest someone DoS' your server by filling the log file.
Hi,
I need to redirect internal internet requests to a auth client site siting on the gateway. Currently users that are authenticated to access the internet have there mac address listed in the FORWARD chain. All other users need to be redirected to a internal site for authentication.
Can... (1 Reply)
Hello,
I am currently trying to limit incoming UDP length 20 packets on a per IP basis to 5 a second using IPTables on a Linux machine (CentOS 5.2).
Basically, if an IP is sending more than 5 length 20 UDP packet a second to the local machine, I would like the machine to drop the excess... (1 Reply)
Hello, excuse my English. Please could tell me how I can pass this syntax for iptables to ipfw.
iptables -A OUTPUT -p tcp --dport 80 -m state --state NEW -m recent
--set --name thor --rdest -j ACCEPT
iptables -A INPUT -p tcp -m tcp --tcp-flag RST RST -m state --state
ESTABLISHED -m recent... (0 Replies)
I would like to copy data flow (not redirect!!!) from 1567 port
to another 1194 port on same computer. The 1567 Port already binded by Scream program (it is bisy). Is it possible to do it by iptables or for it nesessary another programs? Can you help me in the decision of this question? (1 Reply)
Hi,
Can someone help to explain what is --to-source in
the iptables rule below:
iptables -t nat -A POSTROUTING -s 192.168.1.100 -o eth0 \
-j SNAT --to-source 97.158.253.26
especially why the option has double dash (--)
is it a comment?
Thanks (1 Reply)
I am looking for an iptables command to allow incoming UDP packets for my Linux server
also is there a command I can use to set the default action for outgoing packets to accept?
Thank you (1 Reply)
I want to SSH to 192.168.1.15 Server from my machine, my ip was 192.168.1.99
Source Destination was UP, with IP 192.168.1.15.
This is LAN Network there are 30 Machine's Connected to the network and working fine, I'm Playing around the local machine's because I need to apply the same rules in... (2 Replies)
Discussion started by: babinlonston
2 Replies
LEARN ABOUT X11R4
iptables-save
IPTABLES-SAVE(8) iptables 1.6.1 IPTABLES-SAVE(8)NAME
iptables-save -- dump iptables rules to stdout
ip6tables-save -- dump iptables rules to stdout
SYNOPSIS
iptables-save [-M modprobe] [-c] [-t table]
ip6tables-save [-M modprobe] [-c] [-t table]
DESCRIPTION
iptables-save and ip6tables-save are used to dump the contents of IP or IPv6 Table in easily parseable format to STDOUT. Use I/O-redirect-
ion provided by your shell to write to a file.
-M, --modprobe modprobe_program
Specify the path to the modprobe program. By default, iptables-save will inspect /proc/sys/kernel/modprobe to determine the exe-
cutable's path.
-c, --counters
include the current values of all packet and byte counters in the output
-t, --table tablename
restrict output to only one table. If not specified, output includes all available tables.
BUGS
None known as of iptables-1.2.1 release
AUTHORS
Harald Welte <laforge@gnumonks.org>
Rusty Russell <rusty@rustcorp.com.au>
Andras Kis-Szabo <kisza@sch.bme.hu> contributed ip6tables-save.
SEE ALSO iptables-apply(8),iptables-restore(8), iptables(8)
The iptables-HOWTO, which details more iptables usage, the NAT-HOWTO, which details NAT, and the netfilter-hacking-HOWTO which details the
internals.
iptables 1.6.1IPTABLES-SAVE(8)