high-level tool for configuring Netfilter

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ubuntu 12.04 server requires double boot to find eth1

Ubuntu 12.04, haproxy and shorewall. when running everything works as expected. Both eth0 and eth1 properly configured and working. Reboot, system comes up but eth1 is missing, not found, not ...
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1answer
30 views

Expressing iptables rule as shorewall rule

I have been working with a Centos server for a while now. I have set 3 subnetworks in my LAN through alias networks (etho:o, eth0:1, etc). I have a sharer printer in one of those networks, and I would ...
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99 views

Debian Xen domU in private subnet cannot ping outside (Shorewall on dom0 a factor)

I have Xen setup with domUs, some of which are public-facing, and some are private. I have shorewall setup on the dom0 as my firewall. I don't think I have my bridges/interfaces/zones setup correctly. ...
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2answers
65 views

multiple blacklist files shorewall

I have been blocking by ip with shorewall and the blacklist file. I have decided to block a few country entirely and the blacklist file is huge! So my question is this: Is it possible to have ...
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1answer
132 views

Routing to secondary LAN with Shorewall

I'm setting up Shorewall (4.4.26.1), and have been trying to figure out routing between two LAN segments for the good part of the afternoon. It's time to ask for help. ((INTERNET)) | | ...
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1answer
144 views

Martian source in log of machine1 after ssh-DNAT to virtual machine located on machine2 (machine1 and machine2 xover connected)

My scenario 2 physical machines, each with 2 network interfaces (eth0, eth1). they act as virtual machine host for one machine alone, the networking works with no problems first i had two ...
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36 views

Managing IPSETs with Shorewall

I have a working shorewall configuration setup; however I am having some 'code smell' in managing my IPSets. The best solution I have come up with is: Set SAVE_IPSETS=Yes in the shorewall.conf file ...
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32 views

Shorewall SHOW DYNAMIC command doesn't work

Setting up shorewall dynamic zones, http://shorewall.net/Dynamic.html shows the command shorewall show dynamic zone where zone is one of your zones. I can get the add and delete commands to work, but ...
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2answers
56 views

Service redirection on same network

I have a network on which I run multiple servers each dedicated to a given service. Because most services run on distinct ports I'm currently looking for a way of unifying "all" services into a ...
3
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1answer
459 views

multiple IP addresses bound - which one is used for outgoing packets?

Using IP aliasing a linux box has bound multiple ip addresses from the same subnet on the same NIC. So ifconfig shows up device eth0 with , eth0:1 with and eth0:2 with . How does Linux determine the ...
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1answer
746 views

How to configure interfaces + vlan + shorewall on debian gnu/linux [closed]

can you help me configure linux box with vlan support with shoeewall firewall. I tried many configurations but nothing works. This is my network intefaces: allow-hotplug eth0 auto eth0 iface eth0 ...
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1answer
181 views

virtualbox port forwarding - firewall config

i have a ubuntu host system with virtualbox running a windows server. In Virtualbox i have configured the network with a NAT interface and port forwarding for the RDP deamon running inside the vm. ...
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1answer
124 views

Linux Router - Share bandwidth per IPs with current active connections

We have a Linux machine running as a custom router, currently utilising Shorewall. This sits between our incoming internet connection and the internal LAN. What we would like to achieve is 'fair ...
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1answer
175 views

How to DNAT to different local IP based on what public IP was accessed with Shorewall?

My server has several public IPs, and is running a bunch of virtual machines with private IP adresses. As an example, I want to map ports 80, 443 and 8080 on 232.21.23.23 (public) to 192.168.122.12 ...
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1answer
571 views

Bridge and OpenVPN with shorewall

I have this scenario and everything it's working OK, but I want to configure my Shorewall and I can't do it. My interfaces are: br0 (bridge of eth0) tun0 (OpenVPN) vnet* (each one of bridged ...
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0answers
234 views

psad block IP with shorewall

I'll try to configure psad with shorewall. My shorewall works In psad.conf I had : FW_MSG_SEARCH Shorewall:net2fw:DROP:; And I receive alertes, but the IP wich scan is not blocked. How ...
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1answer
156 views

Sub-process /usr/bin/dpkg returned an error code (1)

Hey friends i am getting the following error when i am trying to purge shorewall root@aptosid:/etc# apt-get purge shorewall Reading package lists... Done Building dependency tree Reading ...
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1answer
301 views

Using knockd with shorewall

I'd like to migrate my old pure iptables firewall configuration to a shorewall setup. I get the basics, but I haven't been able to replicate my existing knockd setup: I have a 'tmpknock' chain that ...
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1answer
286 views

How to use address ranges in shorewall rules?

I want to add rule for a range of IP addresses from 64.240.160.0 to 64.240.191.255.
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62 views

shorewall prevents routing from protected zone entities to other protected zone entities

I'm using shorewall as the firewall and gateway for a production site. The site also has a couple of VPNs running into it that are hosted on a different server on the same site (in the protected ...
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2answers
576 views

Shorewall enabling MySQL port

I've recently set up an ubuntu server to host my site - I need to open up port 3306 for MySQL access on my server. I'm currently using shorewall on my server - how can open incoming connections to ...
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1answer
273 views

Track torrent traffic in shorewall

I use shorewall to configure my firewall. Is there anyway to track torrent traffic using shorewall accounting?
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1answer
211 views

Route by port in multi-isp configuration

I'm using shorewall firewall and have successfuly configure multiple isp source. Currently it balances all traffic to both ISP. What I want to achieve is to route ssh trafic to ISP1 and route www ...
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2answers
283 views

Possible hack attack in Ubuntu Server?

I am having a Ubuntu 10.04 Server with Shorewall 4.4.6. For some days, i have been seeing that the logs shorewall.log, kernel.log and syslog getting to huge sizes above 20G per log. It occupied all ...
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1answer
408 views

I would like to redirect port 8140 on my public IP address (ip1) to port 8140 on Internet host (ip2)

edit3: i would like to get exactly what is descripted in http://shorewall.net/FAQ.htm#faq1g but it doesn't work for me. edit3 end; os: debian squeeze shorwall: 4.4.11.6-3 3 computers a, b & c; ...
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1answer
314 views

Clarify the intent of ping rules in a Shorewall configuration

I'm configuring shorewall on a server, and things are going well so far. However, there is one thing I am wondering about. The 'rules' file has, among others, the following lines: # # Drop Ping from ...
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2answers
326 views

Forwarding a call from different subdomains to different internal machines

How do I route traffic from different sub domains to different internal IP addresses? I have set up a Debian router that has one public IP and a domain name pointed to that IP, I would like to have ...
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2answers
50 views

Suggestions for Wi-Fi NICs, supported by Linux drivers, to use as an access point [closed]

We're looking to replace a wireless access point and DSL modem with a dedicated Linux box. What wireless card can be suggested? PCI would be preferable, that is supported by Linux and is capable of ...
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370 views

KVM + Shorewall

I've successfully got a couple of VMs running on a single KVM master. Full interconnectivity over bridge VMBR0. This is my setup: Physical Host : base VM1 : webserver VM2 : mailserver I've ...
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1answer
182 views

Prevent Shorewall log entries for specific IP address and/or port

I have Shorewall firewall setup on a Debian server which is working fine. I get various log entries in /var/log/messages when packets are dropped, as expected, for example: Aug 17 19:09:07 cheetah ...
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1answer
158 views

What service uses UDP port 60059?

I received an email from logcheck that contained a number of attempted connections to UDP port 60059. This email is sent by logcheck. If you no longer wish to receive such mail, you can either ...
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0answers
177 views

Multi-ISP firewall setup

We have been trying to move away from a SonicWall firewall for quite some time now. Through much Googling and many hours of trial and error, we have met varying degrees of success through different ...
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2answers
194 views

Uploads fail with shorewall enabled

I have an Ubuntu 8.04 server with shorewall 4.0.6 installed. When I try to upload files using FTP, SCP, or cURL the file upload stalls almost immediatly and eventually times out. If I turn off ...
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1answer
362 views

Shorewall - port forwarding

I have a bit of a problem with my shorewall setup. Here is a copy of my rules file: DNAT fw wan:172.16.1.224:6999 tcp 80 DNAT net wan:172.16.1.218 tcp 7000 And here ...
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2answers
336 views

Prevent a single host from consuming entire bandwidth?

We have a linux router providing internet connectivity to several PCs. It's currently using shorewall to help make the iptables setup easier. Is there a way I can set it such that any individual host ...
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1answer
141 views

Shorewall Drops the IP

We are using shorewall on Linux server in our LAN environment. The Client machines using windows XP. When I try to connect to a remote machine( The remote machine has static IP) from my windows ...
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1answer
394 views

Shorewall drop all incoming traffic from one internet IP except for all local host except two

How i can block all incoming traffic from one internet IP for the local network, except for two host? DROP all inet:78.31.8.0/24 - - The previous rule block all the ...
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1answer
166 views

Shorewall Bridge

How do I create a rule Shorewall for bridging port 443 from eth0 to eth1?
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3answers
669 views

reverse ssh tunnel from server to laptop

Question I would like to know how to tunnel requests made on a server (debian) to port 80 on my laptop using ssh tunneling. Problem I can open up a tunnel with the following command that does not ...
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3answers
478 views

shorewall on debian proxy server troubleshooting

The setup is: debian proxy-server -> linsys router -> internal ubuntu server Problem is: I can access the ubuntu web server (apache2) by entering 192.168.1.128 in a browser on my debian proxy. ...
2
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1answer
327 views

Some HTTPS connections via NAT fail, but work on firewall itself

I am having trouble establishing some HTTPS connections from internal machines, even though these same connections work if initiated on the firewall itself. The firewall machine is running Ubuntu ...
0
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1answer
862 views

How can I redirect HTTP(S) traffic to another gateway?

I have a network like 192.168.0.0/15 with the default gateway set to 192.168.0.1. All the workstations of the network use this gateway for all kind of accesses to the Internet. Now I am testing a new ...
0
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1answer
365 views

shorewall masquerading from tun0 to ppp0

First interface is ppp0 (pptp vpn) Second inteface is tun0 (openvpn) Third interface eth0 (default gw interface) Openvpn is set to change default route on client for all packets to go through tun0 ...
0
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1answer
395 views

Debian firewall: Shorewall - VPN2VPN policy doesn't work

I have a problem with my shorewall policy. There are 4 zones configured in shorewall but the policy vpn2vpn:accept doesn't work. I want to establish connections between PPTP clients. They are dropped ...
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1answer
786 views

Can't ping through PPTP when Shorewall is active

I have a pptpd server and Shorewall running on the same server. The server has two ethernet connections (eth0 -> WAN, eth1 -> LAN) and its IP on the LAN is 10.11.100.201 I can establish a VPN-tunnel ...
0
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2answers
527 views

I've been asked to replace the firewall with DD-WRT. Is this feasible?

Currently we have shorewall running as our firewall, but we're switching over our network to something lighter. We were thinking of using a Linksys E2000 and installing DD-WRT. We have a cable ...
0
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3answers
468 views

Shorewall: temporarily drop incoming traffic except port 22?

When I work on configuration files, especially of the mail server, I would like to temporarily drop all the incoming traffic except the port 22. So, I don't risk to lose incoming mails if I need to ...
3
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3answers
654 views

What is better for an IP ban? At firewall (shorewall) level, or at IIS level?

I have a spambot that likes to spam my websites. I mailed to abuse@isp, but he ignored me. Attacks always come from the same ip, and i used IISIP to add the spammer IP to all of my websites. I am ...
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1answer
358 views

Shorewall / iptables accounting between specific nets?

I have two servers on two different IPs, lets say they are: 1.2.3.4 and 5.6.7.8. In addition, they both run some virtual machines, who all have private IPs 10.0.0.*. Now, these two servers only have a ...