Software :: Traffic Shaping Per Application
Jan 17, 2010
I've been searching the last days for a tool to limit the bandwidth per application. I found the perfect tool for it: trickle, but it doesn't work (I tested it with firefox and chrome but they didn't obey the limit and I think the problem is that they don't use dynamically linked libs and trickle doesn't work for statically linked apps). I found some other tools but they don't limit per application (only per user or network interface).Does someone knows any other tools like trickle (easy too use and able to limit bandwidth per application) but for all applications?
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Sep 19, 2010
I have a question regarding Traffic Shaping in Linux, Suppose I have a server on the internet (web, email or ftp) and I want to shape outgoing traffic per IP, say 256k for each destination IP. I've seen examples on the internet on how to shape traffic per IP by adding a queue for each IP, and some examples by using u32 hash if I have e.g. a /24 network, but if I have a server and I want to shape the traffic by destination IP, and of course... since it is a server on the internet I can't manually define any IPs of subnets. An example using the tc command?
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Sep 24, 2010
I want to explicitly commit bandwidth to only 3 VOIP connections, where a connection is defined as a source IP address, destination IP address, and a traffic class. I would like the traffic controller to put the first 3 VOIP connections into 3 different queues that would have equal priorities that are higher than Best Effort. If a 4th VOIP connection were to start, its packets would be put into the Best Effort queue. When one of the VOIP connections ends, I would like the incoming packets of a VOIP connection that is in the Best Effort queue (assuming there is one) to now start going into the free VOIP queue. Is it possible to do this? Can traffic control keep track of connections being created and deleted like that? If so, how is it done? I would like to avoid having to be constantly updating my filters whenever a connection starts/ends. In actuality, I would want to do this for several different classes.
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Apr 12, 2009
I am running Fedora 9 and KDE 4.2.1. I want to set up some traffic shaping on my machine to prevent my torrent client from hogging my entire bandwidth. I.e., I want KTorrent to download and upload to the best of its ability, but still be able to browse the net freely in spite of the torrents. I have done some reading about traffic shaping in Linux. There is lots of material about it, but most of it (such as the lartc.org "howto") is very complex and comprehensive and looks extremely intimidating. Furthermore, most of it addresses situations where you want to distribute traffic between multiple computers in a network. I just want to manage processes on a single machine. I am hoping for a piece of software that lets me assign each a "priority" to each application, or something like that. Like cFosSpeed for Windows.
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Dec 27, 2010
We have a need to shape outgoing traffic EXCEPT to certain IP/subnets (sounds opposite to the title, but not really :P), using iptables if possible. We've had decent luck doing it with various things, but one of the big problems is the decrease in download speed (which DOES NOT need to be shaped at all) due to upload shaping. ie, we want the shaping not to apply to TCP/UDP overhead. Semi related but probably not important is the ability to shape virtualised systems as well (ie the guests), but as the guest traffic goes through the host any traffic shaping done on/to the host should affect the guests as well.
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Jan 6, 2010
I maintain a network in a hostel for university students. As we often have a relatively slow connection I tried to find a solution. A friend of mine used traffic shaping / QoS here before I got the job. But we seem to have not made the best rules for the shaping as the connection was way faster without the shaper than with. As he himself installed the system alone I have nearly no knowledge how to put up another, better system.
About the hostel:
- 90 people in this house
- 10 mbit SDSL dedicated line, full flatrate
- very mixed type of internet traffic (P2P, HTTP, EMails, Rapidshare, Torrents, Skype, ...)
I would like to install a linux router with traffic shaping, QoS and maybe even SQUID. Googling for the words brought so much older stuff, but nothing newer.
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Jan 22, 2010
I am on a slow Internet connection and it really makes me mad if something gets downloaded in background (like automatic update of any software) without my knowledge.
How can I monitor my network traffic sorted according to the "which binary file is using how much"? I can find the total transfer rate in "System Monitor" in Gnome, but what if I want to find for individual process. There are softwares like netmonitor in Windows, but how can I achieve that in UBUNTU LINUX.
GUI application will be nice, command line software will also be fine..
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Sep 27, 2009
Recently I notice that when I'm connected to an vpn server (pptpd) and I'm using it as a default gateway my download and upload speed decreases almost to the half of the usual speed. I made a test using iptables in order to count how much GRE packets are generated (except the real traffic itself) in that way:
Code:
iptables -I INPUT -p gre -j ACCEPT
iptables -I OUTPUT -p gre -j ACCEPT
iptables -I FORWARD -s 172.16.10.101 -j ACCEPT
iptables -I FORWARD -d 172.16.10.101 -j ACCEPT
The first 2 rules match all GRE packets between the pptpd server and client, and the next rules - the traffic between the server and the client.
When I turn the counters to zero and begin to generate traffic (to browse, to download etc.) I see that the GRE packets are even more than these in the FORWARD chain.
So, my question is first of all is my test correct and is it true that so much gre traffic is being generated during the browsing (it becames clear that the traffic is double than if the pptpd wasn't used as a gateway) and if yes - can that traffic be reduced?
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Oct 18, 2010
We are using squid deplay pools successfully in our lan and it is working very fine but now i want each computer bandwidth to be shaped for each port means that whenever the user make ftp connection with ftp software or whenever the user access outlook express for email each port like smtp,ftp,remote desktop connection will be shaped or otherwords each pc will get fixed bandwidth.
Our Broaband having 1Mbps connection and we have 16 user who access the internet so i want the 1Mbps will distribute in each user. Our Six Users of internet is our directors and managers of the company so i want to give them max speed and 10 users will get low speed.
Six Special users Ip address: 192.168.1.3 to 192.168.1.9. Other Regular users Ip Address: 192.168.1.10 to 192.168.1.20.
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Apr 27, 2010
We have something on our network that is reaking havoc with our content filter. I am trying to track it down, but so far I have been unsuccessful. We have approximately 500 devices in 100+ different locations spread across 9 states. Looking at each computer is not really feasible.
I need a machine that can sit in between our network and our internet connection and graphically monitor in real time and logs how much traffic each device is sending and receiving. It would need to sit inline so it has to have two nics and be able to pass traffic. The machine also needs to be transparent. Reconfiguration of our routers or workstations is not an option.
I have used ethereal and wireshark before. Ethereal may be a viable option, but wireshark seems to provide lots of information, but no practical way to make use of it. how to set up the box to be a transparent device on the network that will allow internet bound traffic to flow (freely)?
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Jan 20, 2010
I'm trying to shape bandwidth using HTB method and filtering classes with destination mac address. for this I've found two codes but none of them seem to filter bandwidth as i want (test with iperf) can some one explain me the problem with theses codes
Code:
tc qdisc add dev eth0 root handle 1: htb
tc class add dev eth0 parent 1: classid 1:1 htb rate 1000kbit ceil 1000kbit
tc filter add dev eth0 parent 1: protocol ip prio 3 u32 match u16 0x0800 0xFFFF at -2 match u16 0xM4M5 0xFFFF at -4 match u32 0xM0M1M2M3 0xFFFFFFFF at -8
code2:
[Code]...
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Sep 29, 2010
I need to set up my centOS computer as a firewall in my home network. Ive got 2 interfaces, eth0 and eth1. I want to allow and forward all traffic on eth0 and block all traffic on eth1 except ssh, ping(icmp) and DNS. How do I do this? Ive tried some editing in /etc/sysconfig/iptables but no luck.
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Nov 27, 2010
I want to implement bandwidth shaping policy in a virtual environment. So i have 2mbps link, which i want to distribute it among Email,http(s),ssh,... and some other traffic. I want to do this in a virtual environment, for testing purpose. I want to run this script on a virtualbox virtual machine, which has ubuntu installed on it. and then use that as the router.
(a) is there any software that could simulate email,http,... traffic so that i could test it?
(b) my second question is (though not related to networking) how do i set a (virtual) machine as a router? or is it even possible?
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Mar 15, 2011
I wanted to tell my server to block all traffic but US only traffic. So i followed this guide:[URL].. Now I know, it's the best way to help prevent hackers/crackers (doesn't matter to me what they are called. I just have to stop them). My server only deals with US clients anyways so might as well just start right there for my server's security before getting into the brute force and injection preventions. So I got it all done compiled everything moved to the proper directory. I then started to setup my iptables. Like so
Code: iptables -F INPUT
iptables -F OUTPUT
iptables -I INPUT 1 -s *.*.*.* -p tcp --dport 22 -j ACCEPT
iptables -I INPUT 2 -s *.*.*.* -p tcp -j ACCEPT
[Code]...
After seeing that i went digging in the code and figured it was something todo with memory allocation.
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Feb 17, 2010
application to monitor application wise network usage?
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Jan 31, 2010
I've downloaded VideoLan (VLC) via Yast but the icon was placed in the audio folder. How do I move it to the video player folder? Also, where are additional icons stored? I run SuSE 11.2 (boxed version) with KDE.
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Mar 16, 2010
How do I make an application launcher in the panel launch more than one application? Is there some sort of a symbol I type between the apps in the command line? Like ;
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Apr 30, 2011
when an application is opened or minimized the icon of that particular application is not showing up in the top bar of ubuntu 11.04...how can i see the icons in the top bar?
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Jun 30, 2009
I am getting no packages listed in Gnome application manager gpk-application 2.27.2. I have tried 'yum clean all' and get the following error messages.
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Apr 14, 2010
So, I have this application called Impact, it is an explicit time integration Finite Elements code written in Java...
[url]
I untar the pack, and launch the application calling a script, from within the untarred folder,
Code:
This launches a gui which allows me to setup a case, which needs some setup file, tipically some *.in and a mesh file, tipically some *.msh.
Other mode of executuion consists of calling the setup file as argument to Impact.sh script ( CLI execution mode, for g33k5 )
My problem is : I have packed the whole stuff into a Slackware .tgz, that places it in /usr/local/Impact, and placed a calling script in /usr/local/bin,
Code:
Code:
I decided to hack the ImpactGUI_OGL_linux_amd64.sh script from
Code:
Code:
no avail,
Code:
even after adding /usr/local/Impact/bin to PATH... won't go...
I can run this thing from within its directory... but I do not like messing within the directories of my applications, this is why I sent this to /usr/local, and placed a calling script in /usr/local/bin...
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May 24, 2010
I have installed Redshift But do not know what to do Next.There is no icon for the application or anything to launch the application.
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Feb 19, 2009
I am trying to troubleshoot an application that is generating several segfaults with an error 14, but the application is not crashing.The program continues to run. I would assume I can connect to a running process to debug it, but I'm not sure what to gather. The program has several background processes associated with it so I'm sure I'll need to attach to the actual internal process. Does anyone have any experience in this to offer some insight?
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Jan 7, 2011
I would like to get the predefined application icon to open the same file types.
for instance: *.avi, *.mp3 to have the VLC icon
and other application to have the icon of their default application.
So far I only found tips to install single icons or to add icon packs. :S
and is there any way to when you install an application make it default for such file types ?
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Apr 9, 2010
I have two IP address on my iMac I want to "bridge". I'm not sure what the proper terminology is... here's the situation.
My iMac has a firewire connection to my laptop and an ethernet connection to the rest of my office. My laptop has an ip of 192.168.100.2 (on the firewire interface). My iMac has an IP of 192.168.100.1 on the firewire interface, and two IPs, 10.1.0.6 and 10.1.0.7, on it's ethernet interface.
If I wanted to forward all traffic coming in from 192.168.100.2 on my OS X machine to go out on IP 10.1.0.7, and vice-versa, can this be done? I assume I would use the ipfw command.
Essentially I want to "bridge" the firewire network to the ethernet network so my laptop can see all the machines on the 10.1 network, and all those machines can see my laptop at 10.1.0.7. Is this possible?
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May 11, 2010
I've succesfullly connected to my vpn with kvpnc, but none of my traffic is going through the vpn! I dont know how to route traffic to the vpn. for instance, when I go to whatsmyip.com it still has my previous ip.
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Jan 7, 2011
here is what i need to do: [url]..... resolves to 209.5.5.5 which is my public IP on the external side of my router. Router is setup to forward (port forwarding) all port 80 based traffic to internal ip 192.168.1.10 which I want that server to lookup the request, and for web1 forward to 192.168.1.101, for web2 to .102 etc....how can i acheive this? What do i need to use?
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Jul 11, 2010
I have a comcast business network adapter that has a 4 port switch. It also handles nat 1 to 1 translation for static IPs (That's just how they do it, there is no other choice).
In port 1, I have a cat6 that brings traffic to and from my linux machines, allows me to vpn, ssh, a mail server, etc. Everything here is fine.
In port 2, I have a netgear router that is setup with a point to point VPN for a client.
Here are the issues:
1. Machines that are connected to the netgear vpn router/switch can access machines on my network - I don't want this.
2. I can't access the machines connected to his lan from my lan - I need this to administer his machines somehow. Even if I have to VPN to the concentrator and do it like that.
Here is the network structure.
Code:
Internet <-> 10.10.10.1 -> switch with 10.10.10.x machines
|
-> internal vpn IP 10.10.10.50
|
[Code]....
The external network for the VPN is 10.10.10.x and the internal is 10.10.20.x. So, a machine with IP 10.10.20.100 can get to 10.10.10.X and I don't want that. I guessing it's doing this because technically, I'm 'from the internet' on 10.10.10.x and the vpn machines are going 'out to the internet'. Is there a way to have this:
vpn -> gateway traffic only?
I have a cisco 1811w at my disposal if I need to use it; however, I'm all thumbs when it comes to cisco IOS and networking in general.
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Dec 1, 2010
I'm trying to inspect network traffic from my iPhone / iPad / Kindle / other wi-fi only consumer electronic device. To do this I man-in-the-middle myself (connect laptop to LAN via wire, create wireless Ad-hoc network, bridge the connections, then connect my device to the ad-hoc wi-fi network) and use Wireshark to watch the traffic.
In the past this has been adequate for my needs (just wanted to watch and see what potentially private info was being leaked about me / see that banking / amazon / etc apps were going over SSL). Now I've noticed that applications are almost all using SSL (which is great) but they are way to active for my taste. I'd like to use these apps but want to know what's happening in the background. I know that corporations dead-end SSL connections at their proxys to inspect the traffic and then re-establish the connection on behalf of the user for the trip across the internet. While I find the corporate use a bit distasteful, I think this is exactly what I'd need to do to myself. Any suggestions for how to do so or other ideas on how to get the packets in the clear?
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Oct 19, 2010
How are packets treated that do not match any of the filters?
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Feb 23, 2011
I want to simulate video traffic in ns2.31 .I have added mpeg4_traffic patch in Contributed codes in NS2 web site . I receive segmentation fault error ,when I debug code I got a lot of error ,I don't know what to do ? does no one know how should transmit video in ns2 ??
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