Sure. Eg, block anything not comming from the 192.168.0.0/24 network:
For a larger list it's probably better to create a special chain:
In the second example all incoming packets are first matched for their protocol and port, and only then where they are coming from.
Hi,
I need to configure iptable such that whatever request comes to 192.168.0.4 needs to forwarded to 192.168.0.50 and only port 80 and 443 needs to be forwarded others need to be blocked....
Thanks gr8 forum:) (1 Reply)
Hi Am trying to check the service of iptables using
/etc/init.d/iptables status
but I am not even getting this file.
# /etc/init.d/iptables status
-bash: /etc/init.d/iptables: No such file or directory
#
I tried to check whether iptables rpm is installed or not, and it is... (2 Replies)
Hello,
I have implimented a dansguardian system using dansguardian and privoxy. I borrowed a script from Ubuntu CE that makes it where a firewall program like firehol is not needed and it doesn't need a reconfigure of the proxy settings in browsers to be changed. I really like it that way. All... (7 Replies)
Hi,
We have a router and devices for testing. We route devices with below command
iptables -t nat -A PREROUTING -p tcp -d 0/0 --dport 80 -s 10.111.111.22 -j DNAT --to-destination 10.13.0.16:3128
where 10.111.111.22 is device IP. and 10.13.0.16 is our Linux box machine.
Likewise we... (4 Replies)
Hi,
I have the doubt which involved following configuration.
comp1<--->main<--->comp2
Comp1 sends icmp packet to main. Main takes that packet and changes destination address to comp2 and source address to it own.
I can capture the packet send from comp1 to main using netfilter. I can see the... (0 Replies)
Hi Gurus,
I am facing an issue with firewalls on one of my Linux Box.
Issue : Port 8001 looks open to me and there is a weblogic process running on it
netstat -alnp | grep 8001
tcp 0 0 ::ffff:3.20.247.165:8001 :::* LISTEN 28768/java
lsof -ni... (5 Replies)
hello,
first of all i am new to unix so maybe my problem is very easy for many of you but is very important to me.
So the idea is that i want to use a ubuntu 10.4 machine as a router from eth0 to eth1.
but the traffic routing is nor working properly
i configured the 2 interfaces to be... (2 Replies)
Hi,
How can I config iptables to allow port forwarding from one WAN interface to second lan interface .
In my system I have one wan interface 61.93.204.56 (eth0),and lan interface 10.2.1.52(eth1)
I want to make port forward port no 22 from 61.93.204.56 to
port 22 , 10.2.1.52 , tcp and udp... (1 Reply)
Hello,
I have a routeur linksys (192.168.1.1 ) a firewall (192.168.1.55 IN ----> 192.168.2.254 OUT) which using iptable
I want to acces to an equipment (lorex video camera serveur 192.168.2.44) which using an ddns service on the port 9000
So i don t know which redirection a will do on the... (2 Replies)
Hi there,
I have a VPS and am working on a little side project for myself and friend which is a DNS proxy. Everything was great till recently. My VPS IP has been detected by some botnet or something, and I believe SMURF attacks are occuring. The VPS provider keeps shutting down my VPS... (3 Replies)
Discussion started by: phi0x
3 Replies
LEARN ABOUT SUNOS
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)