Fedora Networking :: Traffic Shaping: Keep Torrent From Hogging The Net?

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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Networking :: Shaping Traffic Based On Connection?

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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Networking :: (Debian) IP Traffic Shaping Based On IP/subnets?

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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Ubuntu Networking :: Traffic Shaping And QoS For Medium Sized Hostel?

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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Debian Configuration :: Traffic Shaping Per IP

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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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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Debian Configuration :: Torrent Traffic Very Slow / Make It Up?

Jul 10, 2011

I am running on debian squeeze 6.0.2. I have been using it for the last id say 3 weeks and really am enjoying it.

I generally use transmission-gtk to share files over the internet. Normally I seed torrents at 110-160kb/s for hours at a time. However after messing around with firestarter my upload speed for seeding torrents rarely peaks over 70kb/s. I have purged firestarter with no success of my regular upload speed, and am very confused as to what happened. I also notice sometimes when it will get to about 70kb/s it will immediately drop down to the 20-30kb/s range.

For incoming bittorrent connections I use port 37294. I have set port 37294 to be allowed in my firewall, and forwarded in my router (since purging firestarter did not help I just reinstalled it).

I have also read allowing ports 6881-6889 is important, but I have never done that in my history of using torrents, and I have never experienced a decrease in UL speed like this.

Have I done something incorrect? I have never had this issue on other machines?

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Fedora :: Download A .torrent File:"/tmp/Manchester_Orchestra___I_m_Like_A_Virgin_Losing_A_ ___-1.torrent Could Not Be Opened?

Dec 7, 2010

I use deluge and it worked for a while then randomly I got this error message when trying to download a .torrent file:"/tmp/Manchester_Orchestra___I_m_Like_A_Virgin_Losing_A_ ___-1.torrent could not be opened, because an unknown error occurred.Try saving to disk first and then opening the file."

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Networking :: Per Port Bandwith Shaping?

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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Ubuntu Networking :: Shaping Banwidth According To Destination Mac Address?

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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Networking :: Implement Bandwidth Shaping Policy In A Virtual Environment

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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CentOS 5 Networking :: Configure Firewall - Allow And Forward All Traffic On Eth0 And Block All Traffic On Eth1 Except Ssh Ping

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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Networking :: Server To Block All Traffic But US Only Traffic?

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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Fedora Networking :: 25kbps Torrent Seems To Occupy Entire 5.5mbps Bandwidth

Jun 19, 2009

I'm using Fedora 9 (64 bit).At the moment, I'm trying to download Fedora 11 using a bit torrent, which is reportedly connected at an average of about 25kbps.The only problem is that whilst the download is active, I can hardly even surf the net properly, even though my current isp connection speed is 5.5mbps.There don't appear to be any background processes running that would utilise any of the bandwidth, and as soon as I pause the torrent the problem disappears.I'm dual booting with Vista, and I don't seem to get the same problem under that OS, so I'm guessing it's something to do with my network settings in Fedora.

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Server :: PPTP Traffic - Gre Traffic Is Being Generated During The Browsing / Reduce Traffic

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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Fedora Networking :: Internet Traffic Monitor ?

Mar 9, 2009

Is there a nice easy to use tool that displays (in KB/s) the internet traffic from every IP on a network?

Currently I'm using iptraf, but it's very hard to understand at times.

A little info on my network:

I'm using SNAT for internet sharing.

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Fedora Networking :: Configuring IPTables To Allow Traffic Out

Apr 26, 2009

I've tried both the firewall interface that comes with Fedora and Firestarter, neither can configure as I want. So I think I'm going to have to do it by hand. In this laptop I have one 10/100 Nic and one wifi connection, at times either of them can be connected to the network. How can I configure IPtables so that any traffic is allowed out, nothing is allowed in (other than std stateful firewall replies), no icmp and that the fw logs any attempts to connect to the laptop?

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Fedora Networking :: Monitor Broadband Internet Traffic Only ?

Aug 23, 2009

I have a 2 machine LAN with both machines having an ethernet card and a wireless card. There is a Netgear router, both eth and WiFi, allowing both machines to access the internet.

On my Linux machine I am looking for some software that allows me to keep track of my broadband usage on that machine, excluding traffic between the two machines.

There are numerous such programmes for this in XP, which use Winpcap and a GUI frontend. The "other" machine on my LAN is XP and uses just such a program.

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Fedora Networking :: Advance Routing And Traffic Control

Feb 23, 2010

I'm currently reading through the Linux Advanced Routing and Traffic Control HOWTO from lartc.org, and I'm wondering whether anyone knows of a file where I could keep qos rules persistent across a reboot, similar to /etc/sysconfig/iptables for netfilter. Should I just write my own script, or does something already exist?
By the way, iproute-2.6.29-4.fc12.i686.

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Fedora Networking :: IP Masquerading For All Outgoing Traffic In Eth0

Nov 13, 2010

I have a couple of interfaces in a Fedora 14 box:
eth0: internet provided by an adsl router
eth1: LAN

I set up system-config-firewall to masquerade all outgoing traffic in eth0, as I did in other Fedora 13 boxes, but it seems it doesn't work. It sets to 1 /proc/sys/net/ipv4/ip_forward and also set the appropriate rules in iptables. But all traffic is blocked from the LAN to the Internet. "ping www.google.com" works in the Fedora box, but doesn't work in the LAN computers using the F14 IP as gateway. I have another F13 computer elsewhere configured this way and it works fine. But this one has Fedora 14.

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Fedora Networking :: Minimizing Remote Desktop Traffic?

Apr 23, 2011

Most discussion of lightweight desktops seems to focus on cpu and/or gpu load. I want to ask a different question (though it may have the same solution): how to set up a secure remote desktop server for students to minimise network load. My current setup (gnome plus vncserver, tunneled over ssh) is certainly a bad choice, but I'm having trouble finding the right information about what to choose. My current best guesses:LXDE (not too unfamilar to students used to gnome)NX (generally said to give better compression) Is this a reasonable compromise? Is there a better solution? host server settings to reduce network load client settings the students could use to minimise network load security implications of distributing the nx ssh session key widely

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Fedora Networking :: VLAN Not Recognizing Incoming Traffic?

May 29, 2011

Before explaining the problem, I have to draw the environment. Because of post size limitations, I'll have to break this post in more than one entry.

Physical view

Code:
+--------+ +---+
|storage1|-----| |
+--------+ | s |
| w |
+--------+ | i | +-------+
|router2 |-----| t |-----|router1|--->Internet
+--------+ | c | +-------+
| h |
+--------+ | 8 |
|router3 |-----| |
+--------+ +---+
Device details

[Code]....

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Fedora Networking :: Send All Outgoing Traffic To A Specific Nic?

Jun 9, 2011

I use a server with 3 nics,

eth0 192.168.2.100 (internal Web, Mail)
eth1 192.168.3.100 (Default Gateway nic for clients)
eth2 192.168.3.110 (should be default Gateway for all outgoing traffic not belonging to 192.168.2.100 and 192.168.3.100)

They are all on the same machine

i cannot set eth1 or eth2 as default gateway, as outside requests to eth0 would be handled in a false manner (somehow)

is there an easy iptables-rule to say, that outgoing traffic, not belonging to my networks can be redirected to a specific NIC (eth2)?

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Networking :: Compiling Kute Traffic Generator V 1.4 On Fedora 13

Jun 3, 2010

I am getting following errors when i run "make" to compile kute traffic generator:

[root@localhost kute-1.4]# make
make modules
make[1]: Entering directory `/kute-1.4'
make -C /lib/modules/2.6.33.3-85.fc13.i686.PAE/build SUBDIRS=/kute-1.4 modules

[code]....

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Ubuntu :: 11.04 Hogging All Resources?

May 19, 2011

I installed ubuntu 10.10 a few days ago which ran very well on the live CD but after I upgraded to 11.04 Ubuntu uses just under 100% of my cpu after a few mins loged in and my ram usage increases by about 5MB per sec starting the second I log in. I am using Classic Gnome and it seems to do this wether I have metacity or compiz turned on. Does anyone know what is going on or know about a way to lower ether my cpu or ram usage

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Networking :: Best Torrent Program For Ubuntu?

Jan 1, 2011

Which one do you guys use and why? I'm too used to Utorrent on windows, it's light and simple. I tried Ktorrent on ubuntu but didn't like it. Transmission doesn't go as fast a Utorrent. I'm not someone who uses these things too often as I use them to download big distros like Debian, OpenSuse and some other good freebies. But I'm wondering if there's anything as simple and fast as Utorrent for Ubuntu or if there's some tweaks I should do that I'm not aware of.

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Ubuntu :: Internet Traffic Flow Monitor - Track Traffic Of Each Device

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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OpenSUSE :: Kacpi_notify Hogging CPU Time?

Feb 6, 2011

Recently I have noticed that the process kacpi_notify is using constantly using 10-14% of my total CPU time, I am running an i7 @ 2.66Ghz. This causes the CPU temp to rise, and eventually the fan will kick in to cool it down, at which point kacpi_notify will stop using CPU time. Then about a minute later it will kick in again and use CPU time up constantly until the fan kicks in because of it. It sounds like something is triggering the process and then it is stuck in an endless loop. I just don't know where I can modify this so it doesn't start up all the time.Some tech stuff:

Kernel: 2.6.34.7
OS: Opensuse 11.3
GUI: KDE 4.4.4

[code]....

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General :: Find The CPU Hogging Tab In Firefox?

Sep 11, 2010

I did my homework and found those similar questions, but they seem to cover particular firefox addons. My scenario is different: I don't run a ton of addons, but still periodically CPU usage skyrockets to 100% (I have an old single core CPU). I wonder if it is possible to see which tab is the offending one. Generally I don't run a gazillion of tabs, I try to stick to the 7+/-2 common sense rule, but closing tabs one by one and watching the CPU usage is still not very convenient.

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Ubuntu :: Firefox Memory Hogging

Jul 11, 2011

Does anyone else have an issue with Firefox memory hogging? If you open many tabs, it just seems to use up most of the memory and despite closing a tab it will not release it.You have to restart the browser every so often.

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