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10
votes
3answers
1k views

SSH attacks drain 4GB in 10 hours. Possible?

I have been warned that my server broke its transfer limit. I thougt that my Tor node became popular so I chose to disable it this month (not the best choice for the community but I need to go down). ...
9
votes
5answers
3k views

Limiting network throughput of an already launched process ? (Linux/FreeBSD)

Is there any utility to limit the network throughput of a process after it has been launched? Simple example: you note that a user takes all your upload bandwidth using scp and you'd like to limit the ...
8
votes
5answers
2k views

How to prevent hot linking (“image theft” / “bandwidth theft”) of ressources on my site?

I'm trying to write the "ultimate" anti hot linking .htaccess... You can find many examples/tutorials/generators on the net but many of them are wrong or incomplete (or even both). These are the ...
8
votes
4answers
849 views

Wireless AAA for a small, bandwidth-limited hotel

We (the tech I work with and myself) live in a remote northern town where Internet access is somewhat of a luxury, and bandwidth is quite limited. Here, overage charges ranging from few hundreds, to ...
6
votes
3answers
12k views

Throttle bandwidth via iptables

I have a need to throttle the bandwidth usage, similar to how some ISPs do it, so that after a couple of seconds, it throttles down the speed.
6
votes
1answer
2k views

How can we restrict dynamically nginx upload/download speed per user?

It's possible to restrict the speed using the rate limit on a specific location. However, how can we do it dynamically ? Let say you have paid vs non-paid users and you want to give an higher ...
5
votes
1answer
3k views

Limit bandwidth per IP address in Squid

I am having Squid 3.1.18 installed. I want to limit the maximum bandwidth any IP can use to 128 Kbps. Is it possible using squid ? I am not using squid authentication so identifying users and ...
5
votes
2answers
1k views

lxc bandwidth control using tc

I am trying to restrict bandwidth inside my containers. I have tried using the following commands , But I think it is not getting effective. cd /sys/fs/cgroup/net_cls/ echo 0x1001 > ...
5
votes
1answer
672 views

Mysterious bandwidth limit

For some unknown reason, our server box running Windows Server 2008 R2 has a per connection bandwidth limit of 0.2 MB/s. Meaning, while one TCP connection can pull at max 0.2 MB/s, 60 parallel ...
4
votes
2answers
2k views

How to limit network usage for concrete application in linux that is running in it?

I'm looking for something like nice for cpu, but for network usage that will limit application network consumption to level that will configure. I have problems with xapian-replicate-server that is ...
4
votes
2answers
344 views

Should Skype be reliable in a corporate environment?

I have been managing the IT function in a small software development company that has grown from 10 users to 70 users in 5 years. Most users in the company are office based, but some key users work ...
4
votes
3answers
50k views

How to limit bandwidth speed from a router for a devices on a network? [closed]

How to limit bandwidth speed from a router for a devices on a network ? There are several devices accessing the internet thru a wireless network. I cannot change settings directly on the ...
4
votes
1answer
398 views

measuring bandwidth per-user used by ssh server-side connections on linux

I'd like to be able to measure the bandwidth used by each user by their inbound ssh connections, into a linux box. I measure most other traffic using iptables and user-matching, but inbound ssh ...
4
votes
2answers
762 views

Monitor bandwidth per-process

This has been driving me nuts but my server has been using a highly excessive amount of bandwidth for the last two months, and I can't figure out how/why/where. This month, for example, it's used 210 ...
3
votes
1answer
233 views

Why is my bandwidth averaging 3 kbps on a 10 mbps device?

I have a server with a 100 mbps port and connection that I rate limited to 10 mbps/full duplex because I am only paying for a 10 mbps connection and there are steep overage charges. Ever since then, ...
3
votes
1answer
2k views

Bandwidth monitoring on KVM

Is it possible to monitor/limit bandwidth for KVM guests? I'd like to give people VMs on my server but I want to be careful not to go over my monthly bandwidth limit. The only places I can find that ...
3
votes
1answer
256 views

use of nmap clogged my network

I was using nmap to scan the mac addresses of my network.What I found was internet connections and rest of network services badly clogged the users were not able to connect to internet.After messing ...
3
votes
2answers
612 views

How to limit connection speed

I am on CentOS 6.4 and am using Plesk v11.5.30 although this doesn't necessarily need to be done via plesk. I am looking to limit the connection speed to a specific website. However the only options ...
3
votes
4answers
1k views

Automatically throttle network bandwidth for users causing bulk traffic

Is anybody aware of a FreeBSD, Linux, or Windows based product that can automatically lower the priority of network packets of users that have caused a high amount of network traffic during the last ...
3
votes
1answer
2k views

Limiting bandwidth of workstations in MS Forefront TMG

We have configured Microsoft forefront TMG 2010 Enterprise as the cache server which provides internet access for all computers in our department. Is there any way to limit download speed per ...
3
votes
1answer
6k views

What is mumbles average monthly bandwidth usage?

I am wondering how much bandwidth does a Mumble server use in the span on a month. I have a dedicated Linux server with 10,000GB bandwidth/month. In their FAQ they have this formula and information. ...
3
votes
2answers
2k views

Limiting bandwidth on internal interface on Linux gateway

I am responsible for a Linux-based (it runs Debian) branch office router that takes a single high-speed Internet connection (eth2) and turns it into about 20 internal networks, each with a seperate ...
3
votes
2answers
889 views

QoS - split bandwidth across all IPs during high load

We have a Linux-based router which is currently working fairly well, but our network only has a 1.5 mbps incoming connection. The network is small, but during high load periods some systems can end up ...
3
votes
1answer
1k views

Why isn't ipfw correctly limiting the bandwidth?

I've played around with the ipfw command on a Mac and tried to limit the bandwidth to 1MBit/s. sudo ipfw add pipe 1 ip from any to me sudo ipfw pipe 1 config bw 1MBit/s These are the statements I'm ...
2
votes
2answers
914 views

Limit Windows XP machine's bandwidth between 9AM - 11PM

Hay, i need to find a software solution to a problem. I want to be able to limit a Windows XP machine's bandwidth on all ports between 10AM - 11PM. I have access to the machine in question, i need ...
2
votes
2answers
3k views

Squid Proxy Server: limit total bandwidth

We have a marvellous squid proxy with dansguardian for filetering and they both work just great. Is there any easy way to limit the total bandwidth usage? I'd like to set the max amount of squid users ...
2
votes
1answer
125 views

Does 404 errors eat the server bandwidth?

I am facing a strange issue where one of our servers (used for internal purpose) hosted by Rackspace uses huge amount of bandwidth (but our actual users are using the server rarely). FYI, the said ...
2
votes
3answers
4k views

DD wrt bandwidth usage by user

Is there anyway on the dd-wrt to check to see how much bandwidth each client is using? I ask because I am in charge of looking over a group of routers connecting to a dd-wrt router and if a user is ...
2
votes
3answers
820 views

Linux daily, weekly and monthly network usage

How one could monitor and keep logs of daily, weekly and monthly bandwidth usage of Linux servers? This is important for cheap VPS solutions where they have monthly caps in bandwidth. Preferable some ...
2
votes
1answer
162 views

Low bandwidth when accessing websites outside my country

I am using a broadband internet connection from an ISP named Reliance in India. I wanted share you with a weird behavior of my internet connection. I have a 2Mbps connection and I get around same ...
2
votes
3answers
1k views

How To Limit User Quota Bandwidth to 10Gb/day

I have been trying to figure this out: I am creating a filehosting site with PHP and I would like to know how to limit user to 10Gb of bandwidth per day, so that they can download - just like ...
2
votes
2answers
2k views

How can I provision/control bandwidth allocated to devices on the LAN?

We're going to have an ISP turn up a 100 mbit circuit at our office building (multiple floors, multiple offices). We need to control how much bandwidth is allocated to/used devices on the LAN. For ...
2
votes
1answer
3k views

Squid delay pools and multiple ACLs evaluation

I am testing squid 3.0 on a ubuntu amd64 box. I am facing a problem with the delay pool classes when I set the delay_access parameters with multiple ACLs. Have been going through the squid wiki and ...
2
votes
2answers
813 views

Measure Total Bandwidth for Billing

I am setting up a new network which customers will host their applications on. It needs to be able to scale out to a few hundred servers and each server will have several VMs on it. Right now in my ...
2
votes
1answer
149 views

managing a high traffic media sharing website

i'm in the process of developing a website that i predict will generate a lot of traffic. the site will be similar to many other sites offering free media streaming: mp3's. we are going to start with ...
2
votes
2answers
257 views

Is OpenVPN right for this? If not, what is?

I have a server sitting in a data center. It's running Linux. WAN interface on eth0 connected to the public Internet; LAN interface on eth1 connected to the data center's network on 10.0.0.0. The ...
2
votes
1answer
1k views

HTB.init / tc behind NAT

I have an Ubuntu 10 box that I'm trying to set up as a bandwidth-shaping router. The machine has one WAN interface, eth0 and two LAN interfaces, eth1 and eth2. NAT is configured using MASQUERADE as ...
2
votes
2answers
267 views

Can bandwidth on a switch be limited for outbound traffic but not for local?

We want to restrict traffic through a switch to 90% of our total inbound bandwidth in order to reserve the other 10% for another switch running a different internal network. Can this be done without ...
2
votes
1answer
902 views

bridge traffic limiting via tc

I have a Linux machine running as a bridge simulating various network conditions. I use tc for this. Introducing delays or packet loss is quite simple but I got into trouble trying to configure ...
1
vote
5answers
2k views

What are some good programs which can be used to rate-limit traffic on a server?

We have some applications which hog network traffic on one of our servers (Windows 7) at the expense of the other (more important) applications. Is there an easy way to limit the bandwidth usage of ...
1
vote
6answers
609 views

Hardware bandwidth limiter

Really not sure if this is the place to be asking this, but here goes.. Our company has grown exponentially in the last year. As such, our internet connection needs some serious managing and limiting ...
1
vote
3answers
740 views

How can I limit server badwidth per user, not a webpage?

I would like to limit the download speed of my .flv and my .mp4 files per user on my domain. My page have got 1000-3000 visitor per day and they can't watch my things at the same time, cos 1-2 people ...
1
vote
5answers
3k views

Monitor traffic by source/destination IP address

I need to monitor traffic coming in and out of my server. Knowing the total in/out bandwidth is good, but ideally I would like to know how much traffic was sent to what address (we are talking about ...
1
vote
3answers
4k views

Any freebsd/PfSense realtime bandwidth monitoring tool?

i need to know if there is any Tool (specifically for FreeBSD) , through which i can get the Realtime network traffic usage of any Host/IP , and which should also run on Multiple interfaces as well? i ...
1
vote
4answers
2k views

Implement QoS/Bandwidth Management or Upgrade Bandwidth?

A question that I'm faced with currently. Here's my setup: Cisco ASA 5510 15Mbps Internet Connection @ $1350/month The bandwidth was originally meant for 35-45 people but we've grown quite quickly ...
1
vote
1answer
2k views

Limit bandwidth using tc, iptables, and htb

I'm running a Debian server and was wondering if there are good resources out there, to which you can point me, where I can read about traffic limitations. I have couple users sharing one server. ...
1
vote
3answers
1k views

Configure a Linux router for fair bandwidth allocation without unnecessary limiting it

I run a Linux router (more precisely OpenWRT) on an internet connection with very limited bandwidth, around 1 MBit/s downstream and some dozen kBit/s upstream. There are several machines on the net ...
1
vote
2answers
2k views

Assigning Bandwidth Limitations to VLANs

Is bandwidth management over different VLANs possible with a switch that was manufactured by Cisco? If so how can i configure my switch to do so? In every document about VLANs say "VLAN is for better ...
1
vote
1answer
631 views

SFTP/FTP Server which throttles bandwidth speed based on number of connected users?

Here is a dynamic rule I'd like to configure on a SFTP/FTP server: If only 1 user is connected, set download bandwidth cap to 200 KB/Sec If 4 users are connected, set download bandwidth cap to 50 ...
1
vote
2answers
731 views

Apache bandwidth throttling per client, by subnet

We're interested in restricting the number of requests per second and/or available bandwidth to HTTP clients, to stop accidental DoS. We provide free scientific data and web services, and sadly some ...