search for: dnats

Hi i have a debian box working as a router.. it works quite well, now i want to give more than 1 ip.. is it possible to do it? some of them must be an open ip.. i mean.. all ports opened is it possible? how should i do it? Here is my nat.sh script just in case someone wants it.. (comments r in spanish.. and not right) Thanks in advance, #!/bin/sh echo "AthoS LaN Generando

hi, there was some email problems and i repeat my question too fast, but this is the second part of my questions. - only the rules and policy files give access right? ie. rules in the FORWARD chain of the filter table in iptables ? - is a line in masq file automaticaly add an accept rule too? eg. in msaq file eth0 <internal ip> allow connection from <internal ip> (local zona) to the

I have been trying to get DNAT to work and I actually have succeeded too, however, not how I thought it would work when reading through the documentation. 1. No matter what I do I cannot get DNAT to work unless I have an entry in eiter the nat or the proxyarp file. Is that really how it''s supposed to be? I can''t find anything about it in the documentation. 2. Also, in the

I have a dsl modem and two static IP addresses: 66.17.65.22 and 66.17.65.161. I am using the standard configuration from the Shorewall Setup Guide for multiple IP addresses and modifications suggested by the Aliased Interfaces Guide. I want to set up a shorewall 2.08 router for my home (Fedora Core 2 / kernel 2.6.8-1.521). I want share an internet connection with some pc''son a local

1 small question i have 4 network cards on my firewall eth0 inet eth1 internel network eth2 customer network eth3 freeswan vpn is there a way that i can connect the eth2 and eth1 network together so that i can access the servers off eth1 from eth2? Marshal McInnis Tech / Web Designs 1-205-344-4455 Ext 208

I have two/three PPTP servers on my network and each one of them are on their own subnet and I want to be able to send traffic to each and everyone. My rules file entry is as follows DNAT net loc:1.1.1.1 tcp 1723 DNAT net loc:1.1.1.1 47 and DNAT net loc:2.2.2.2 tcp 1723 DNAT net loc:2.2.2.2 47 however all the traffic only goes to 1.1.1.1 because its the first DNAT entry. I tried the

Hi. Im setting up a web farm test lab. I have a number of machines in the test last on a dmz zone on network 10.20.30.0. The test lab firewall has two NICS. One (eth0) has two ip addresses, eth0 10.161.101.40 and eth0:0 10.161.10.49. The other one, eth1 is on a private network, 10.20.30.0. I want to use DNAT to allow test engineers to ssh into the machines in the web farm. I have

I have a pretty straightforward shorewall (v 2.0.12) setup in my Phoenix office. IP addresses on the firewall eth0 172.16.10.249 eth1 12.47.198.100 eth1:1 12.47.198.108 eth1:2 12.47.198.101 eth2 172.16.11.249 interfaces: loc eth0 detect net eth1 detect blacklist dmz eth2 detect vpn1 tun1 192.168.124.255 zones net Net

Hi, after kernel upgrade to 2.4.23 my existing configuration of shorewal 1.4.8 will not start / it fail on DNAT and/or masq with message: "iptables: Invalid argument" / I founded some similar problems description - see links bellow, but there is no solution how to get work shorewall with DNAT and masq with 2.4.23 kernel. http://www.ussg.iu.edu/hypermail/linux/kernel/0312.0/0268.html

https://bugzilla.netfilter.org/show_bug.cgi?id=850 Summary: DNAT applied even after deleting the IP Tables DNAT Rule Product: iptables Version: 1.4.x Platform: All OS/Version: All Status: NEW Severity: major Priority: P5 Component: iptables AssignedTo: netfilter-buglog at

https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=452 Summary: DNAT to internal network don't work with source routing and 2 uplinks Product: netfilter/iptables Version: linux-2.6.x Platform: i386 OS/Version: Debian GNU/Linux Status: NEW Severity: normal Priority: P2

Hi Here is a short description of my network: ppp0 (adsl) ppp1 (adsl) | | | | --------------------- | Router | | Firewall | | MASQUERAD | | DNAT | | | | eth0 | --------------------- | | | ---------------------- |

Just some stuff that was laying around in CVS: 1. Added ''DNAT-'' target. 2. Print policies in ''check'' command. 3. Added CLEAR_TC option. 4. Added SHARED_DIR option. [teastep@wookie Shorewall]$ cat releasenotes.txt This is a minor release of Shorewall that has a couple of new features. New features include: 1) A new ''DNAT-'' action has been

Hi all in the ShoreWall community, [please CC me since I''m not on the list] I had been using FIAIF for a little while, and the setup of ShoreWall has been much easier, the config for each operation in one place, and I''m very happy with it. That said, it looks like one of the concepts could be taken a bit further. In this case, it is actions. To get the process started, I

Hi all, net : internet zone dmz : DMZ zone Lan : local network zone in 1.4.6c this rule : DNAT all lan:10.0.0.1 tcp http - 192.0.0.1 does generate the following iptables rules in nat table : Chain OUTPOUT DNAT tcp -- 0.0.0.0/0 192.0.0.1 tcp dpt:http to:10.0.0.1 Chain net_dnat DNAT tcp -- 0.0.0.0/0 192.0.0.1 tcp dpt:http to:10.0.0.1 Chain dmz_dnat

Hi, i''m a shorewall users and i have the following problem: I have one class C range of IP''s and i have three zones (net, dmz , loc) I need create one rule to dnat one valid ip address (but not in use in one computer) to one invalid host in my loc zone. How i do? I try this: DNAT net:200.200.200.200 dmz:200.193.137.38 tcp 137,138,139,445 -

...IRST firewall. 2.3.4.5/29 is the internet interface of SECOND firewall. it has DMZ zone. in that DMZ zone, mail server runnig @ 192.168.100.3 Now I want to DNAT port 25 of FISRT firewall (i.e - its ip address - 1.2.3.4/29) to the internet ip address ( 2.3.4.5/29) of SECOND firewall. That firewal DNATs port 25 to mail server @ 192.168.100.3 in DMZ zone. These are rules I have added. FIRST firewall (its internet ip address - 1.2.3.4/29) I have addes below rule. iptables -t nat -A PREROUTING -p tcp -i eth0 -d 1.2.3.4 --dport 25 -j DNAT --to-destination 2.3.4.5:25 That should forward port 25 to...

I am having a problem that I really just don''t get.... I have this in my rules file: DNAT net loc:192.168.1.2 tcp 21 21 Everything worked fine earlier today.. Now it is dropping packets destined for Port 21 /var/log/messages: Dec 14 00:36:39 pcp08479598pcs kernel: Shorewall:net2all:DROP:IN=eth0 OUT= MAC=00:0b:6a:3f:e6:72:00:01:5c:22:92:42:08:00 SRC=24.210.36.92 DST=68.57.216.61

Hi, I am running a ASTERISK BOX behind a firewall. It is at DMZ . Now I want to connect to my ASTERISK BOX from Internet. So I want to DNAT. How can I do it? Pls assume that ip address that connects to Internet on firewall is 1.2.3.4and is attached to eth0. And ASTERISK BOX is 192.168.101.23 Then, What is the rule (PREROUTING) for it? What is the port to DNAT? I think udp 5060. So I have

Hello all, Running the "ancient" 1.4.7-RC1 version I have a problem with port forwarding. I have for a number of external fixed IP addresses forwarding to an internal terminal server - this works :-) DNAT net:111.22.33.44 loc:192.168.1.11 tcp 3389 DNAT net:222.33.44.55 loc:192.168.1.11 tcp 3389 Now I need to forward port 80 from one external address to an