0
votes
0answers
23 views

Simple Shorewall/netfilter traffic control/prioritization questions and possible strange side effects

I am setting up traffic prioritization for a small business to prioritize videoconferencing traffic over general web traffic. I use Shorewall (which controls iptables/netfiler) on a linux machine for ...
1
vote
1answer
42 views

iptables filter by bridged interface

I try to make a QOS server using IMQ interface to monitor ingress. my setup : br0 | WAN <=> eth1 => IMQ1 <|> eth0 <=> LAN all go ...
1
vote
1answer
216 views

Can TC limit bandwidth by the Qos field of IP header

We are developing a client/server applications. There are three types of network data in our server app: Realtime data such as those of Video/audio, Critical Data such as those of Database data and ...
3
votes
1answer
480 views

Qos/iptables? for vonage and openvpn? … or something else?

I have a small home office setup. I use google voice and vonage for phone calls. Please see the diagram -- I know this not the ideal but since my cisco switch (3550) packed up so this is the only ...
2
votes
3answers
2k views

Making iptables recognize youtube streams and large files

I use Ubuntu server 10.04 with the stock kernel as a NAT router. I use iptables and tc to do port based traffic prioritization. It is working fine. I have given http higher priority. So my network ...
2
votes
2answers
810 views

how limit the number of open TCP streams from same IP to a local port?

i would like to limit the number of concurrent open TCP streams from the the same IP to the server's (local) port. Let's say 4 concurrent connections. How can this be done with ip tables? the ...
0
votes
1answer
570 views

Implementing QoS on a gateway box that runs Fedora [closed]

I configured a small factor PC to run as my gateway/file server/backup server/etc for my apartment. I want to implement QoS based on source IP address to prevent my roommates from bogging down my ...
1
vote
0answers
261 views

Troubleshooting iptables and configuring it to drop the priority of long-term connections

I'm somewhat familiar with the general concepts of iptables, and would like to learn it in more detail. I'm hoping that my learning experience can also be useful. The situation: I'm running dd-wrt ...
2
votes
1answer
2k views

Marking packets with iptables with a NAT

I have to write bash scripts for a router to control bandwidth limitation for a given user on a given domain name. For this, I'm using iptables to mark the packets incoming from a restricted domain ...
1
vote
1answer
3k views

How to use virtualbox to simulate a sub network with the host as router?

I am currently working on QoS router functions using iptables and tc on Linux. I would like to use virtualbox to simulate a computer plug on my router (The router would be the host) Physically, I ...