2
votes
1answer
54 views

Bad built-in chain name with iptables-restore

I saved my iptable settings on a Ubuntu 11.4 system using iptables-save >filename I then replaced the Ubuntu system with CentOS 6.5 and tried to restore iptables using iptables-restore ...
1
vote
2answers
55 views

Saving an iptables configuration permanently

How can I save this configuration permanently? sudo iptables -t nat -A POSTROUTING -s 10.10.0.0/16 -o eth0 -j MASQUERADE
0
votes
0answers
19 views

Run Sys V Init daemon as certain user?

When I installed dansguardian from the repos a long time ago, it set itself up such that in iptablesI could refer to it as --uid-owner dansguardian, which allows me to allow/deny it access to certain ...
1
vote
1answer
124 views

Session limit for OpenSSH server on Ubuntu Desktop 7.10

I need restrict session limit on my OpenSSH server only for one session (one connection). I use Ubuntu Desktop 7.10. Of course Version is old, but I need it for experimental purposes. I tried modify ...
1
vote
0answers
247 views

iptables one IP through another network interface

This question is very similar to what I am trying to do: iptables --set-mark - Route diferent ports through different interfaces However I attempted to follow the answer but I was unable to make it ...
2
votes
1answer
82 views

Mark packets between machines (client and router)?

Can I mark a packet on the client's OUTPUT chain and add an iproute policy on the router to route them via a specific gateway? This what I tried to do, but it isn't working. My client's mangle table ...
2
votes
1answer
577 views

iptables rules too restrictive; Drupal webserver cannot access repositories, ntp or even websites

This is a Drupal website running Ubuntu 12.04 LTS on Linode. Someone recently changed our iptables rules and a number of problems started. These include: Our Mollom spam protection is not working ...
2
votes
1answer
729 views

Local port forwarding automatically configured on boot?

I have software which needs to run as a non-root user, but needs to listen on port 80 and 443. With iptables, this isn't all that difficult: sudo iptables -t nat -A PREROUTING -i eth0 -p tcp ...
1
vote
0answers
186 views

Asterisk server problems with firewall settings [closed]

I replaced an IVR machine for incoming call after going down. It is running asterisk 1.4.23 on ubunutu 10.04 I decided to put the server behind iptables because my server was under brute force attack. ...
2
votes
1answer
202 views

PPTP server with NIC aliases

I have set up a VPN on a VPS Server using PPTP. I have one NIC with two aliases. eth0 eth0:1 eth0:2 The 3 interfaces have public addresses. eth0 is a French IP, eth0:1 is UK, and eth0:2 is ...
9
votes
2answers
14k views

iptables --set-mark - Route diferent ports through different interfaces

Short story, 3 interfaces, eth0 (LAN), eth1(ADSL), eth2(4G). eth0 -> eth1: Works (ports 80, 443, 4070) eth0 -> eth2: Doesn't happen This is a graphical representation of the idea: Port 80 & ...
1
vote
2answers
547 views

How would I direct local(127.0.0.1) MySQL traffic to an external SQL server?

Basically, I have two EC2 instances on Amazon Web Services. They are both running Ubuntu 11.10 x64. They both have a private and a public (Elastic) IP addresses. I'm having trouble setting up iptables ...
2
votes
1answer
2k views

Port Mirroring using iptables - copy all traffic among nginx on :80 and apache on :8080

I have nginx running on port 80 and apache running on port 8080 I want to transfer all the traffic to both nginx and apache asynchronously i.e the performance of one server wont be dependent on the ...