Server Sending High Outbound Bandwidth
Nov 6, 2008
My datacenter has told me about my server sending high amount of outbound bandwidth from my server:
During the attack time my email logs, I found several messages:
cpdavd failed @ Thu Nov 6 12:21:18 2008. A restart was attempted
automagically.
Question #1. How can I check which user is using cpdavd (connect from their PC to the home folder)
I suspect someone is connecting their PC to my server and uses very high bandwidth!
The datacenter says the attack is still going on when they plug in the server.
Question #2. How can I check what is sending outgoing traffic on the server right now?
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May 1, 2008
today i got a message from a client asking about hosting his video himself, catch is, he has a shitload of viewers, im looking at servers in the range of quad core (maybe dual quad), 8gig, 4 hdd raid10, gige uplink, however the kicker, depending on how out of whack my estimates are, 100 to 400mbit SUSTAINED upstream (spiking all the way to max'n that 'little' gige pipe)
Has anyone got suggestions on who i should even consider for this? I'm a bit dumbfounded myself as i'v never even thought about a server on this much sustained bandwidth before today.
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Sep 12, 2008
Like if you try to make your own server, it would cost a few thousand right? Or bought one from IBM or something. If you rent a server, it could cost you like double that I notice or even more in a period of a year.
I was looking at the prices of Xeon 5420 and they are like only 400 or something. Motherboard, ram, hdd's shouldn't amount to too much right?
And companies are charging like 50 bucks a month for a 2 gigs of ram.
Or am I actually looking at this wrong and actually am looking at desktop components? So is bandwidth the cost for these prices? In the long run aren't people being ripped off?
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Jun 15, 2008
if I could get some input on this. Currently I'm running an Opteron 246, 2GB RAM with 2TB bandwidth/mo. I run a single site which is currently 99% HTML, along with an invision forum which is fairly popular. I get about 300-400k pageviews per day.
Right now the server is able to handle this stuff without much of a problem, and the average CPU load is between .5 and 3 (after a TON of tweaking!) - the only exception is when the forum db is being backed up/optimized, which isn't a huge problem since it happens during the off hours.
The problem is that I'm running out of bandwidth quickly, and need to come up with some kind of solution soon. My current provider offers bandwidth at $1/GB, which to me seems crazy compared to other providers, so that's not really an option.
I was thinking about switching to a more affordable provider and upgrading hardware, but I'm not sure what the best approach would be. I'm in the process of moving my HTML content over to a PHP-powered CMS, so I need to make sure whatever I do can handle that... What might be a decent setup for a site like mine which consumes a lot of bandwidth and will probably need more CPU power in the near future for PHP/MySQL stuff?
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Jun 21, 2009
For the past few days, one of the server is causing a bandwidth utilization surge for the entire rack on almost daily basis. It happen for a few minutes and it went off then it will be the same thing again the next day. When the surge is happening, most of the servers on the same segment will be inaccessible for the few minutes.
The bandwidth utilization graph for my rack is recording an abnormal surge from (6mbps --> 90mbps) for the few minutes. My MRTG is showing 2 of the Plesk servers giving the problem but the NOC guys said it the Cpanel that causing the problem.
I tried logging in to both servers but could not find what's the cause for this.
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Jul 30, 2008
I have a site that uses extreme amounts of bandwidth, I checked some of the popular companies like serverbeach and softlayer. Right now I'm leaning more towards serverbeach because they are cheaper, Are they a good company to go with? Let me know if you have any other recommendations.
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Dec 20, 2008
I just moved to my new server and I have noticed a problem with the mail server.
The mail doesn't send unless I press "Send Mail Queue" inside WHM.
Does any one know if there is a cron-job for me to run?
Also, for all of my clients it is showing 0mb disk usage, how would I fix it to show their real disk usage and bandwidth usage? I believe that there is again, a cron-job to run.
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Jun 16, 2009
I've a remote download site that uses tons of BW (about 900GB daily), and it uses sql connection quite alot - I've set it to max connection for my current server.
For now, I've the intention of separating main site with download server. where The main site will contains the sql DB. But my concern is, I want to buy a cheap VPS for the main site, but no idea if I need high BW and ram.
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Jan 2, 2009
I host a podcast that's rapidly gaining popularity. At the moment, we push about 100gb/day of transfer for the episodes, but could easily double that in the next few months. I need a host that does at least 2tb a month with the ability to later upgrade to more. My operating budget is about 110$/month, but could go a little higher if needed.
Most of our activity is composed of sending files, so usage is pretty low. I'd probably only need a few gb to store the actual content (30mb mp3 files). It's also important that Adult material is allowed (the content of the audio podcast is explicit).
I'm aware of FDC and AT&T, but would like any other recommendations you guys could give.
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Aug 3, 2008
I'm looking to get several dedicated servers, I don't require alot of processing speed or storage. And I'm not really picky about uptime, if the system is down for a few hours in a month its not a problem. What I need is alot of bandwidth. It needs to be quick and unlimited! What provider is going to give me the best deal?
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Apr 9, 2009
I have an unmetered server capped at 100Mbps.
The server is a media server, used to host heavy media files such as videos, flash and so forth. (there is no website on the server, just media files)
Everything works fine, all the media loads without a problem. Downloads are fast.
However, I have big trouble uploading stuffs. The FTP is either extremely slow or disconnects me.
I talked to my host, and they say the server is hitting 100Mbps bandwidth limit, and I should upgrade to 200Mbps. However, all my videos and media load fine, there are no problems except for the FTP.
Are there any solutions to this? I don't want to spend money on another 100Mbps just for FTP, especially when everything else is working without a glitch.
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Oct 25, 2008
Just an hour ago, my datacenter told me my server (cpanel + with CSF) is using up to 240mbps of inbound
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Aug 20, 2008
I have a client who has came to me for advice on his web site. I own a dedicated server and manage it using PLESK. I do pretty well managing it but I'm definitely not an expert on hosting by any means. So I need your help.
He is starting a new web site and he is going to do radio advertising on a lot of stations and expects to get a lot of hits. The web site seems to be pretty small with only a few pages of text and minimal pictures, so I don't think it will use that much just by the site being so small.
But anyway, I want him and me to feel comfortable that the site is not going to go down no matter how many hits he gets. How do I guesstimate this?
What are some good hosting companies that offer high bandwidth and protect you from overage charges -- or at least charge little for overages. I'm looking to spend less than $80/month. Also, do you have any idea: How many users will 10GB bandwidth cover if it's only a 5 page site with one picture on each page and 5 paragraphs of text just to get an idea.
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Jan 27, 2007
I know someone is using the wget -r command on my server to recursively grab all files in a directory, I know their IP but I do not want to ban it completely, instead I was wondering is there a way to kill a connection if the bandwidth used by that connection gets too high?
I'm running CentOS 4
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Apr 2, 2009
I'm at leaseweb atm - according to their graphs, I am doing around 17mbps 95th and paying $33/m USD for a C2D+1GB+160G HD. Overages are rather expensive though.
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Oct 23, 2008
I want new company for my servers
My servers for sharing files
So, I want high bandwidth
ex, 10.000GB BW per server out+in
$100-$200
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Sep 14, 2008
I have a dedicated server currently hosted over by Aplus.NET
I have a 3000 GB Monthly Transfer limit and we have been going over this limit for the past few months. This has resulted in a large sum of overage fees.
I am looking to go to another hosting company that is just as good as Aplus.NET, if not better... with a better traffic rate. A friend told me about Choopa.com and I wanted to know how good of a company they were. What are some other top reliable hosting companies with premium servers and that specialize in unmetered bandwidth?
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Nov 28, 2007
I'm picking up a client who is a video production company and hosts a lot of their work for their clients on the web. They have two sites right now for two different branches of what they do, but they are beginning to scale up a bit and want to switch from a local ISP hosting package to something more commercial. I like the idea of a VPS, but their current budget is rather low. Because of that, I am a bit attracted to hosting packages from site5 and dreamhost (both of which I've heard good and bad things about).
Ideally, I would be looking for a VPS along the lines of:
50-75GB disk space
256-512MB RAM
750GB-1TB Bandwidth
Linux OS with Shell Access
cPanel or Plesk Control panel
It'd be nice to keep their budget around $50/mo, but I know that might be asking a lot. They have two websites currently for their production needs. What would be the advantages of a VPS over multiple hosting accounts at Site5 ($7.50/mo) or Dreamhost ($6/mo)?
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Jul 6, 2009
I'm looking at a project that would need to be located in Panama for server co-location.
It will be very bandwidth intensive, requiring 100 megabits to start and moving up from there. Going with a slightly more "value" oriented provider provided there's a backup (even lower bandwidth) available would be an option, as this application would tolerate limited periods of reduced bandwidth.
Can anybody point me in the direction of some data centers that might be worth looking at? Are there any bandwidth providers down there with a real value focus?
Right now, the best I've seen is $99/megabit from [url] I'm expecting bandwidth to cost more down in Panama, but I'd really like to push this number lower.
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May 22, 2008
I know you get what you pay for with hosting, but with the ridiculous overselling going on I am finding it hard to work out how much bandwidth I can genuinely expect to get with about 500MB space and 99%+ (preferably more like 99.5%) uptime for $5/month.
I will be using all this bandwidth for hosting legal mp3s (sanctioned for promotional use by labels and artists), and would prefer the host to be based in the US or UK.
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Nov 7, 2008
It appears Comcast is now blocking port 25. As a result, I can't sent outbound email via my dedicated server. They had me change to port 587 for my comast email account, but that doesn't solve my not being able to send outbound from my dedicated server.
Is there anythighn I can do (like change the post my mail server uses to 587) so that I can send outbound mail from my server with outlook (over Comcast connection) or am I just stuck now with using web mail?
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Jul 20, 2005
I'm currently running a vBulletin message board with about 26,000 members. At any given time there are about 200 members actively posting.
Right now, we're on a dedicated server with Ilon hosting, however, my members are still complaining that the site runs VERY slowly when there are lots of members online.
To make matters worse, I want to launch a weekly podcast for them, so I'll need even MORE bandwidth.
GoDaddy.com is offering dedicated server accounts with high bandwidth limits (ie 2000 GB). Does anyone have any experience with them? ...
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Nov 27, 2008
High bandwidth, fast speed, any cp, basic hardware-manag. only, trustable
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Feb 20, 2008
I have a cPanel server with 4GB RAM
My server hangs time to time, once or twice a day. This is the last status when it happens.
Server Load 75.90 (2 cpus)
Memory Used 92 %
Swap Used 65.78 %
When I was still inside SSH when it happens, the processes I can see inside "top" are a lot of httpd processes.
So I "killall -9 httpd", I had to do it 30~40 times
#killall -9 httpd
#killall -9 httpd
#killall -9 httpd
x 30~40 times until no pid process found & the server load is back to normal.
Before that, I check httpd fullstatus, they look very normal, same goes to what I see inside WHM Apache status & cpu usage status.
At first I thought it was a memory problem after consulting with a server admin, so I replaced all 4GB new ram stick (such a waste)
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Oct 31, 2009
My server is very slow, High CPU, High Apache load....
I got a new server and i had setup a script on it.
No server tweaks has been done.
I run a filehosting site so it gets very slow when traffic is high.
Here is some info:
Code:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4135 filedip 19 0 12812 8892 2212 R 18.9 0.4 0:00.74 index.cgi
3140 apache 15 0 22624 9604 2768 S 17.3 0.5 1:54.45 httpd
3556 apache 15 0 22792 9592 2768 S 17.3 0.5 0:43.53 httpd
3739 apache 15 0 22672 9556 2744 S 17.3 0.5 1:09.67 httpd
3884 apache 15 0 22664 9560 2744 S 17.3 0.5 0:23.98 httpd
3474 apache 15 0 22672 9572 2756 R 16.1 0.5 1:34.09 httpd
3548 apache 15 0 22792 9560 2740 S 16.1 0.5 1:33.67 httpd
3991 apache 15 0 22640 9588 2756 S 15.1 0.5 0:22.44 httpd
3475 apache 15 0 22672 9580 2756 S 13.2 0.5 1:31.42 httpd
3493 apache 15 0 22664 9592 2768 S 12.9 0.5 1:15.52 httpd
3769 apache 15 0 22664 9580 2756 S 12.9 0.5 0:45.19 httpd
3638 apache 15 0 22664 9576 2756 S 12.3 0.5 0:32.82 httpd
3724 apache 16 0 22664 9580 2756 R 12.3 0.5 0:34.25 httpd
3626 apache 15 0 22672 9580 2756 S 11.7 0.5 0:52.54 httpd
4023 apache 16 0 22792 9560 2740 R 11.3 0.5 0:13.16 httpd
3882 apache 15 0 22664 9576 2756 S 10.1 0.5 0:38.56 httpd
3005 apache 15 0 22672 9588 2768 R 9.1 0.5 2:06.61 httpd
I dont know much about server managment...
how to fix this so server doesnt go slow?
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Jul 2, 2009
I have a site that is eating up my server resources and need to know what the best solution for this is. I'm thinking of getting another server just for mysql but do not know what specs the server should be to handle the current traffic/database load and have the site run smoothly without slowing down to a snail's pace.
An alternative is to get another server just for the videos being served and leave the database and html on the current server. This is where I'm stuck and don't know what route to take with this.
My current server stats:
Dual Xeon 5130
4GB RAM
250GB
50 Mbit/sec
CentOS 3.9
Website traffic stats:
15,000 visitors/day
150,000 pageviews/day
Serving videos
I've attached screenshots of top and bandwidth usage per day. Hopefully with this information you could tell me if I need another server or if there are any things I can do to the current server to help things move faster.
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Jun 19, 2007
I migrated a client from a Windows server to Linux and everything is fine except that mail sent to this client (say, example1.com) from a particular domain (say, example2.com) simply disappears and does not reach at all. Mail sent to that other domain (example2.com) from my new client (example1.com) is delivered correctly.
Incidentally, that other domain (example2.com) from which the mail is sent is with the hosting provider who was earlier providing services for my newly acquired client. Should I suspect anything? Or, is there a way to figure out what's happening?
I have MailScanner running on my VPS, but it isn't configured to filter at RBL level, only at Exim level, so I don't think this is the issue.
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May 4, 2008
I have been searching for a solution to a problem that shouldn't exist but it does.
Background:
I have a customer on a UK server who sends emails to 500+ recipients on a monthly basis, and all but 3 emails are delivered....
The 3 that don't go, bounce after 3 days (as per the exim setup)
The 3 recipient domain's that reject don't seem to accept email from UK/European ip's and I have tried to send them emails from 4 different networks and still they bounce.
I have even tried to contact them via gmail, and still not heard back.
Proposed solution:
I want to be able to send email for that 1 domain to a Postfix Relay I have in the US.
Question:
How do I achieve this within Exim (a Cpanel Server).
I have found that so far its to do with the Router Configuration section within the Cpanel Exim setup, but I cannot seem to find an example of what and where i need to change the config...
Can anyone provide an example?
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