Bandwidth Monitoring/Limiting And QoS One Interface Multi Ips
Mar 4, 2008
I currently use debian and have multiple (5+) ip address all assigned for a different purpose and usage. My issue is that i need the ability to accurately monitor the traffic being generated (and potentially graph via mrtg) additionally, I want the ability to enforce priority and restrictions per ip address.
Whilst on the subject I also have an openvpn setup which i want the ability to rate limit each user....
spend too much time trying to figure this out so now i'm asking for some help! More than happy to consider offers ($) for someone to do it for me...
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Nov 10, 2007
bandwidth limiting on my home network, to some specified pc's, as they are taking up to much download bandwidth. Im leaning towards windows more but i am still unsure, would any one be able to guide me or give me a few tips on what type of program will do this, what operating system and maybe some tutorials if anyone knows any good ones?
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Jan 7, 2009
We have Linux and windows shared hosting on our dedicated servers using Plesk are we are interested in putting in connection limits and bandwidth limiting in place but not sure what to use - we don't want to set them to be too restrictive but we don't want it to be free reign either.
I was wondering if anyone else was doing this, and if so what their levels were.
Additionally, does anyone use anything for IIS 6 on 2003 that supports bandwidth throttling of dynamic content? I know there are things for IIS 7 in 2008 but that doesn't help much
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Apr 3, 2009
I have a Sonicwall NSA 3500. Does anyone know if you can use it to create bandwidth charts of Network Objects (e.g. IPs or Groups of IPs)?
I am thinking something like Cacti, but I don't know the code to pull that info or if it's even technically possible.
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Jul 2, 2008
I've seen a lot of requests for a simple howto dealing with bandwidth limiting/"capping" on Linux. I put together a howto yesterday on this which I hope you'll find useful.
Ifve recently optimized the scripts used for bandwidth management in one of our UK facilities and I thought Ifd post a quick howto on it.
The full script can be found directly here: http://www.adamsinfo.com/bandwith-li...oute2/#more-15
My setup here is a live feed entering eth0 on this linux router and leaving eth1 into a switch connected to a collection of other servers. This is set up as an unrestricted public router, routing between a /30 on eth0 and a /24 on eth1.
Note: We canft in any way restrict the amount of traffic that eth0 receives from the outside, so instead we restrict how fast eth0 sends data out, the same applies the other way round. So, if we want to limit the amount of data that the local servers can send, we shape the routerfs external interface (eth0). If we want to limit the amount of data that the local servers can receive, we shape the routerfs internal interface (eth1)
With Debian Etch on 2.6.x, run:
apt-get install tc iproute2 bc
Then script as follows:
# Set some variables
#!/bin/bash
EXT_IFACE=heth0
INT_IFACE=heth1
TC=htch
UNITS=hkbith
LINE=h10000 #maximum ext link speed
LIMIT=h5000 #maximum that wefll allow
# Set some variables for individual gclassesh that wefll use to shape internal upload speed, i.e. shaping eth0
CLS1_RATE=h200 # High Priority traffic class has 200kbit
CLS2_RATE=h300 # Medium Priority class has 300kbit
CLS3_RATE=h4500 # Bulk class has 4500kbit
# (Wefll set which ones can borrow from which later)
# Set some variables for individual gclassesh that wefll use to shape internal download speed, i.e. shaping eth1
INT_CLS1_RATE=h1000 #Priority
INT_CLS2_RATE=h4000 #Bulk
[...] A few hundred lines [...]
I have tried not to get bogged down with too many irrelevant details here and would be happy to answer any questions or take any corrections. Itfs pretty simple and it works well. Install bmon and you can confirm this yourself. The purpose of this is that I can take a 10mbit connection and limit the traffic to 5mbit ensuring that I donft break the 95th percentile that I want to maintain at the datacenter. I can increase and decrease this at any time as traffic requires or permits respectively.
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Mar 6, 2008
I have yet another new server, however there is a client of which constantly now is bursting ~20 mbit/s month average. Is there a way to limit his ability to burst like this? The bandwidth overages are coming in, and him and I both would rather skip the overage charges and just keep him in range.
The server is equipped with cPanel however I am doubting this can be controlled using this utility.
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Jun 19, 2007
Plz show me some software which monitor bandwidth for each website used.
OS : Windows 2003 ENterprise
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Nov 10, 2008
Give me 1000GB or 2000GB and that's my limit that I'll try and not go over. Pretty
simple.
However, I'm now dealing with a provider that has me really confused. This company is charging us based on 95th percentile and we're now being asked to commit to 8.5 MBPS while the server doesn't even go over 1500GB monthly bandwidth limit.
Is this correct:
- We're not using tons of bandwidth but we do have large bursts
- The company is ultimately charging you for the bursts
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Dec 27, 2007
I have 1 network interface with a few virtual ones. I need to find a way to monitor bandwidth. I've tried vnstat but it can't measure bandwidth with virtual interfaces.
The only thing i've seen is through packet sniffing and i was hoping for a much cheaper alternative(cpu wise).
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Sep 1, 2009
What you guys use to monitor and/or cap bandwidth for dedi/colo customers?
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Nov 3, 2009
Does anyone know if it is possible to monitor bandwidth for individual virtual environments within Hyper-V? I'm looking for an economical way of doing this, not through System Center. we're looking to provision a few Windows virtual environments over the next few weeks and want to see if there is an alternative to Parallels Virtuozzo.
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Aug 8, 2009
bandwidth monitoring software to calculate bandwidth usage with billing futures.
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Jul 7, 2009
as far as i know cacti is the only script that can provide logs of the bandwidth consuming per month. I need to know how much bandwidth my server consumeto avoid overage fees.
But cacti got php function that is reuired to be enabledand its pontentional dangerou to renable some php functions, so i prefer script that is more cgi or any safer script
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Jun 16, 2009
I have a small VPS that is running only openVPN. (No http/pop/ftp/imap/smtp...) Only one port is open for the openVPN software.
I've also disabled (not running) any other networking software, so there is no apache or anything "normal" like that.
It's a plain-jane CentOS 5.3 install, used only for openVPN.
The problem is that I have no idea how much bandwidth is being used.
Since the openVPN does not track bandwidth usage, I am now looking for some other way to do it...
I am thinking that perhaps munin or cacti or something like that would be a solution?
Basically, the only statistic I need to actually monitor is bandwidth, as I don't care about disk space, load, memory, or anything else..
(The server is using VirtualVM, but since that software is insecure... the VPS control panel is not currently online, so all the normal "tools" that the VPS came with are not working.)
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Jun 20, 2007
I found a software that i think it is useful for bandwidth monitoring for each website (each domain). It is LiveBandwidth version 2.0 .
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Jul 6, 2007
I have been using webmin's bandwidth monitoring function for a while but (as anyone who's ever used it) i have a few issues:
3 huge (~250MB and growing) log files: /var/log/bandwidth, kern.log and syslog.
also the 'dmesg' only outputs these log messages:
BANDWIDTH_IN:IN=eth0 OUT= MAC=00:16:3e:00:00:c6:00:0c:db:0d:e2:4c:08:00 SRC=89.181.46.133 DST=83.246.72.186 LEN=92 TOS=0x00 PREC=0x00 TTL=116 ID=36035 DF PROTO=TCP SPT=4399 DPT=22 WINDOW=64711 RES=0x00 ACK PSH URGP=0
BANDWIDTH_OUT:IN= OUT=eth0 SRC=83.246.72.186 DST=89.181.46.133 LEN=92 TOS=0x10 PREC=0x00 TTL=64 ID=42455 DF PROTO=TCP SPT=22 DPT=4399 WINDOW=10720 RES=0x00 ACK PSH URGP=0
I installed syslog-ng in hopes that i could change this behaviour but to no avail. the real problem i see is that shorewall/iptables only logs to "kern" facility...
has anyone found a way arround this? maybe even using some other firewall?
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May 5, 2009
It is possible to monitor bandwidth per IP instead of per port using Cacti?
I have been told no, but if no, how can you possibly monitor bandwidth per VPS on a host server?
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Nov 9, 2008
I am not too used to working with having to monitoring bandwidth through windows itself, but the provider doesn't provide graphs from the switch.
I tried installing MRTG on windows but got tired after trying for two hours. I really just need a program that can monitor the bandwidth and calculate the 95% usage but I cannot seem to find that anywhere!
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Nov 27, 2007
I have a few boxes on a special setup in a rack that I want to monitor bandwidth usage on for a while. There really isn't a way at the moment to do it switch level. Some of the servers have cPanel, some are just straight Linux (CentOS). I have seen where you can setup iptables to measure/monitor bandwidth, any other easy and effective suggestions for doing this?
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Oct 2, 2008
This one should be easy for all the dedicated experts here in WHT. I have a dedicated server that I use for streaming and would like to monitor how much bandwidth I use (on a daily basis).
Windows Media Services would be the application that uses considerable bandwidth. So may be a plug in for that? I am looking for something free.
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May 16, 2008
What's the best solution web-based that I can install on a server to monitor a group of servers, services, bandwidth etc.. I'm thinking of offering a service where for a monthly price we'll monitor your server(s) and notify the data center or client of outages. So I'm looking for something that I can create clients then under them enter servers and items to monitor. Kinda like a NOC monitoring solution?
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Jul 19, 2009
i have 100 web hosting clients that i want to move 50 clients to another server but i only now have one domain for the dns
server 1#
hostname : host01.dnsdomain.com
nameserver1 : host01.dnsdomain.com
nameserver2 : host02.dnsdomain.com
server 2#
hostname : host01.dnsdomain.com
nameserver1 : host03.dnsdomain.com
nameserver2 : host04.dnsdomain.com
and in the domain control panel i set the nameservers for the dnsdomain.com
nameserver1 : host01.dnsdomain.com
nameserver2 : host02.dnsdomain.com
and i didn't create account for it just dns only
is this a right way to create multi dns for multi webhosting servers?
and when i want to make subdomain hosting account site someting like
test02.dnsdomain.com
it didn't work
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Apr 10, 2008
I'm starting to do my homework on a dedicated server and am really not that savvy on what's best for my needs.
Firstly, I'm just trying to determine how much grunt I need and am not really sure of the benefits of multi-core vs single core vs single processor vs multi processor.
I've been running on a low density VPS with 1 Gig ram for a while and it's doing fine but won't handle this setup too much longer. My site does a very high amount of disk read/writing and for the size of my site there are a lot of database calls.
I'm thinking a multi-processor will do wonders for a database intensive site, but will a single multi-core process do fairly well also? My budget is at the low end and obviously I can afford more for a multi-core single processor.
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Mar 28, 2009
I have a HP IP Console Switch 3x1x16
Is there any web application to install a server and access KVM without the application HP desktop?
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Mar 31, 2007
I've got about a dozen servers on a single Linksys 224 switch but it only has the choice of 10/100 for port speeds. I need something that can actually limit thru-put per port in 1mbps increments and also has snmp.
The obvious choice would be a Cisco, but I don't like to toss technologies I know nothing about into the systems that pay my rent and I just don't have the time to learn IOS right now. I can deal with a Linux command line, but I haven't heard of any Linux-based switches. I also don't have any serial ports on my latest laptop so I'd actually prefer a web-based interface like the consumer stuff has.
Lastly, it has to have gig-e uplinks like my existing Linksys because I'm going to be jumping up to a 200mbps commit pretty soon.
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Oct 17, 2009
This is my first post here and this sub-forum seems to be adequate for my question. If it is not, I apologize in advance.
I want to create a web application for an upcoming project of mine that has the potential to attract a large number of people. So the web application needs to be fast and secure at the same time.
I used PHP for minor projects for some time now, and although it is really efficient for quick web development, it _appears_ to me like a house of cards waiting to collapse. If you know how to use it properly, it can be acceptable, but there are still numerous security exploits in PHP itself that have surfaced over the last decade. Additionally, it tends to be quite slow and has a lot of bugs that aren't really security related, but can make your life hard. I've run test scripts (that I optimized for web deployment) on my own computer, and even on my own computer which is way faster (in terms of CPU speed, number of cores, RAM, and so on) than most servers, it runs slow--without any database access! And I honestly don't buy the "your server will spend most time in your database anyway, so don't worry about that" statements. I've tested it with databases that have millions of rows in them, and coded a test script that accesses the table and then calculates stuff from that and outputs it. If I comment out the database access the time needed to execute the script is only marginally reduced. I observed the same in my other projects. I also used Python and the problem seems to be the same.
Now, before the PHP/Python fanboy crowd yells at me: "Google uses Python and Wikipedia uses PHP, too". Yes, I know. But they have a lot of money to throw at the problem and can easily add new hardware if needed (Wikipedia alone has collected over 6m USD in the last year from donations). And a Wikipedia staff member I talked to some while ago told me that it's a miracle that Wikipedia is still running given that it is written in PHP with all its security problems (not my words).
So I thought: why not use a compiled language?
The obvious advantages would be that it is faster, and that I can leave out all the junk that is not needed in my case, thereby decreasing the chance of badly written code running in memory.
I have coded in C and C++ for a long time, including security-critical applications. So I absolutely know how hard it can be to write really secure applications, but I think it is also fair to say that I know how to minimize the risk of buffer overflows, validate user input properly, and so on. I often force myself to review my code some time later, in order to spot coding mistakes that you just won't see the first time. Additionally, I've created a neat string library around the standard library that makes string manipulation as easy as in PHP or Python.
So I continued my thinking: why not use C/C++ for your web applications and 'somehow' interface them with your web server?
And that's the problem--the 'somehow interface'. I don't know what to use that won't be deprecated in like 5-10 years from now. CGI seems to be quite okay, but I heard there's a huge overhead due to loading the executable into memory each time a user requests a page. FastCGI seems to be a better solution, but is not as widely supported.
My question is: What interface should I use if I want my web apps to be compiled? CGI, FastCGI, what else? The interface needs to be supported into the far future, it needs to be efficient and fast. And there's also one more important factor: time. Coding the application itself is an acceptable time loss, but if I can only run the app on a dedicated server and have to manage the whole server myself, this can become quite cumbersome. I'd really like to use a solution that can be run on a managed server.
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Oct 21, 2009
I want to create a mailserver setup ( SMTP/POP3/IMAP/SSL) in my server which in public network.Can any one suggest the Webbased GUI interface tool which manages my mailserver setup . The tool must able to manage users ( creating mail users,allocating quato).
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Oct 6, 2009
I have a vps at VPSVille, which I use for tunneling out onto the internet (behind a nazi firewall). Unfortunately, my vps keeps getting disabled because I cross the "20GB of traffic per month" allowed to any vps for tunneling - even though I have 300 GBs of bandwidth.
I'm now looking for another cheap vps host ($20/mo or less) that will let me utilize all the bandwidth I paid for.
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Oct 8, 2007
I am just playing around with a server of mine, and I wanted to know is there anyway to limit the amount of inodes ( files and folders) a user can have? I am using cpanel/whm. Or is there a way I can receive an " alert" once a user has reached the specified limit?
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Apr 15, 2007
I've recently hired a new server with the aim of offering FTP backups.
I have Plesk CP but I don't want to use that to create the accounts for these users - i want to use the Plesk license for webhosting customers.
My box is running CentOS with ProFTPd.
The problem i'm having, is locking down SSH access to the Backup customers - if i add an account using "useradd", it is enabled in ProFTPd as I want, and I have set ProFTPd to only allow access to their home dir. However, the users can still log in via SSH and have full access to the box. Ideally, I want to be able to remove these users from SSH access, or if that's not easily possible, not allow them to "cd" above their home dir.
I know it's possible to add their usernames to the SSHd config file under Deny, but is there a more elegant solution (bearing in mind i'm planning to have quite a few of these users)?
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Apr 4, 2007
IP limiting on switch port.
Where a switch is set to only allow a specific IPs to be streamed from the servers connected to it.
Any server set with another IP even with a same C class range will be dropped or ignored.
eg.
Switch : with a set IP of 111.111.111.1 - 10
Any server that tries to set an IP of 111.111.111.11 and above will not get connected.
Currently I am using 3com SuperStack III 3250 switches. but after reading the manual and also searching on the net, I am a little lost on ideas....
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