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3
votes
2answers
2k views

how to separate a network for traffic

At the moment our all computers in one big LAN, it is the intention to separate the admin and edu (it's in a school) especially for traffic and less for security. How do this best? Firewall?, ...
0
votes
1answer
227 views

Monitoring and logging website traffic

I have website where i provide different services.When users log in i want to monitor all that they do and store them up in a log file of that particular user and send them an email weekly to the ...
2
votes
3answers
332 views

Web/LAN Traffic Monitoring

Is it possible to generate an easy to read report based on the traffic to websites from a users active directory domain name? I assume this could be managed by implementing some sort of ...
2
votes
3answers
10k views

openVPN Mac(Tunnelblick) all traffic over VPN

The problem is that we want to use openVPN here as default VPN Server. Now we have the same problem like everytime. On Windows all works fine but on Mac we have problems with the routing. When you ...
0
votes
2answers
582 views

traffic shaping in linux: ssh vs sshfs

I have a regular linux box with limited banwidth which I acess through SSH. From time to time I transfer files to/from this box with sshfs/sftp. Please advise me on how can I set up the traffic ...
0
votes
1answer
163 views

Where to host a Flash application with high traffic (4TB)? [closed]

We are looking for a decent hosting provider for our Flash widget (several SWF files) The widget is quite popular. The download traffic is 4TB per month and it is growing. CPU/Memory just do not ...
2
votes
1answer
176 views

Traffic used without any active connection!

Hi I've got a problem here confusing me, and thought Server Fault community could help. I've noticed a continuous traffic (1-10 Kbit/s) being generated on my desktop. It was running on Windows XP. I ...
4
votes
2answers
989 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 ...
2
votes
1answer
629 views

traffic shaping for certain (local) users

i'm using ubuntu 10.10 i've a local backup user called "backup". :) i would like to give this user just a bandwidth of 1Mbit. No matter which software wants to connect to the network. this solution ...
2
votes
6answers
2k views

Flow of packets in network

I can't visualize in my mind the network traffic flow. eg. If there are 15 pc's in a LAN When packet goes from router to local LAN, do it passes all the computers? Does it go to the ethernet card ...
0
votes
3answers
178 views

How can I receive more traffic? My VPS fails!

I have a web site - photo gallery. About 400 photos. Site on Gallery 3. mySQL. Hosted on VPS from myhosting.com (CPU 1792 MHz, 2048 MB RAM). Everything seems to be ok, but there is one big problem. ...
2
votes
1answer
290 views

How do I track incoming IP addresses on Windows 2003 web server?

How do I track incoming IP addresses that visit a website hosted on a Windows 2003 web server? I know we can use Google Analytics to do the job,is there any other way of doing it? Thanks in advance
0
votes
1answer
98 views

Estimate server load for an API

I want to know how many resources (MySQL time, CPU usage, bandwidth, etc.) will use my system with a certain number of API calls per second. One API call gets the parameters in PHP, do from 1 to 5 ...
0
votes
2answers
598 views

How do I move an Amazon micro instance to a small instance?

I want to move my instance to a micro instance to a small instance but when I try to launch a new AMI based on my Micro instance AMI it only gives me the option for 64 bit instances. My initial ami ...
3
votes
2answers
205 views

Is it feasible to poll traffic readings from Cisco switches more often than every five minutes?

Putting together a simple MRTG-like setup to monitor the load on our network switches. I've been told that Cisco switches are set up to be polled every five minutes, but we would like to get more ...
0
votes
2answers
372 views

Flexible traffic & bandwidth monitor [closed]

I have looked around, but have not found anything to meet our needs. I need something that can log all connections & bandwidth consumption. We need it for analysis: by protocol, source IP (& ...
1
vote
3answers
290 views

How to collect concise traffic statistics on linux?

I need to have statistics divided by time periods, like this: time_1 - time_1 + 5mins from_ip1 > to_ip2 total_packages_size1 from_ip3 > to_ip4 total_packages_size2 time_1 + 5mins - time_1 + ...
0
votes
1answer
741 views

network architecture: inbound/outbound traffic from local to internet and vice versa

ive been reading about network architecture a bit, found an interesting paper from Sun Microsystems that, even though uses their hardware/software, gives a good idea about the basics of data center ...
0
votes
1answer
43 views

Windows 2008 Server Standard receiving and sending a huge amount of data

I have this Windows 2008 Server I've just installed a couple of weeks ago and right now I'm starting to configure and prepare it to be PDC. I've clicked on the network and I've seen packets coming and ...
0
votes
2answers
349 views

How to close certain TCP/UDP ports (incoming) for ALL networks except listed through IPTABLES

How to close certain TCP/UDP ports (incoming) for ALL networks except listed through IPTABLES. I have a small set of NETWORKS I'd like to leave THE ports to be open. But want to close for all other ...
1
vote
2answers
2k views

TCPDUMP = How to detect and analyse “Suspicious” Traffic to 192.xxx Addresses?

I just played a little bit with tcpdump (as I wanted to check why my mails are not getting send) and thereby discovered very strange and a lot of traffic to the "Private IPs". Please See examples ...
0
votes
1answer
76 views

Sporadic high traffic

Is there any software to handle sporadic high traffic web sites? My situation is the following: only two times a year my traffic spikes several orders of magnitude, i was wondering if some software ...
0
votes
6answers
3k views

How can i monitor internet traffic in my LAN?

I have a centOS box set up as a gateway with IPTables (among many things such as proxy cache using Squid). My LAN consists of ~30 machines, all connect to the internet through the gateway's eth0 ...
0
votes
1answer
104 views

LCMS machines are pinging random computers on company intranet

we have some LCMS AGILENT machines set up in our lab. for some reason they are pinging random computers in our company. every now and then someone on our network will get a windows firewall ...
3
votes
1answer
311 views

Open Source projects that need mirrors?

I have an idle web server with unlimited traffic running until January 9th, 2011. An answerer to this question had the idea of offering to host mirrors for Open Source projects. Does anybody know ...
1
vote
4answers
325 views

whats the best way to find out how much traffic you have?

Sorry I'm a newbie to this. I'm using a Linux server with Plesk. I just wanted to find out what is the best way to find out how much traffic there is to a website, when resources are running out, and ...
25
votes
5answers
33k views

how i can identify which process is making UDP traffic on linux?

my machine is continously making udp dns traffic request. what i need to know is the PID of the process generating this traffic. The normal way in TCP connection is to use netstat/lsof and get the ...
2
votes
1answer
1k views

Per user network traffic accounting under Linux

I have several users on a computer running Linux (Ubuntu Lucid to be more specific). I need to see how much network traffic they generate on a specific interface. Iptables can match outgoing ...
2
votes
2answers
975 views

linux: how to obtain traffic statistics

I have a linux-based bridge. I'd like to count how much traffic does every IP that passes throug generates. In other words I'd like to get a file like this: src_IP dst_IP pkt_size 1.1.1.1 2.2.2.2 ...
5
votes
5answers
559 views

What sort of web server hardware do you use to handle 100 Mbps+ of static files?

I currently use Amazon S3 for much of my static file serving needs but my monthly bill is getting very expensive. I did some rough calculations using the logs and at peak times, my most expensive ...
2
votes
3answers
97 views

Are there way to prevent HDD flooding from users?

We have several users on linux computing pool, are there way to "shape" the IO per user(like a net shaping analogue..)? Is it possible? Can we restrict the number of IO threads per user? Thanks. ...
1
vote
2answers
236 views

High RAM usage for Such low trafficked site?

I have a site that users can listen to mp3 audios using a flash player. I have about 500 to 600 people visiting each day. The VPS specs are: RAM 1024MB Swap 2048MB Disk 40GB Here is a screenshot ...
10
votes
3answers
2k views

How to cap bandwidth usage on AWS EC2?

I'm planning to use AWS EC2 for my web application and I need control over the bandwidth usage (don't want the instances to be compromised and ramping up bandwidth cost crazily). There are many ...
0
votes
3answers
2k views

Want to route all internet traffic through VPN

I want to route all internet traffic through a VPN client, so if the VPN somehow lose connection, nobody can find my real IP. So if VPS goes down, so my internet access. I'm using OpenVPN with this ...
5
votes
7answers
432 views

Real-time website traffic monitoring for operations teams

Working on medium sized websites we've always built our own real-time traffic graphing solutions and displayed those on a big screen mission control style so that if traffic starts to climb, load ...
4
votes
2answers
352 views

maximum download limit

I'm writing software for bandwidth management in Linux. I use TC for bandwidth shaping, and it worked fine. I want to limit user bandwidth for a period of time. For example: For user 1, 100MB in a ...
1
vote
1answer
1k views

Proper Traffic Accounting In Postfix

I'm trying to set up a relay server using Postfix as MTA, and I need to log the server's mail usage (either to file or SQL). The idea is to monitor the amount of mails sent by host, and their size. ...
3
votes
3answers
3k views

What are low, medium and high traffic websites in terms of visits? [closed]

We often read on the internet about big famous website such as Facebook, Google, Yahoo... having hundred of million of unique visitors each month. But what is the order of magnitude for smaller (or ...
6
votes
6answers
276 views

solution to a too much traffic problem

My company has a web service api which is starting to get a lot of use. Recently we had some issues with running out of memory. We optimized some inefficient code and solved the problem. We know we ...
1
vote
3answers
239 views

Priorize linux traffic in same protocol (http download vs htto browsing) with htb/tc

I have a big time reading but i cant figure-out how to do this. always i have a download in mu network all http browsing are affected, i need to do some specific or dont use sfq ? some one have a ...
0
votes
1answer
347 views

outgoing DNS flood targeted to non-ISP hosts

Below is the specific traffic monitored at the network perimeter and originating from a user PC on Vista platform. My question is not about the effects of the flood, but about the nature of the ...
1
vote
1answer
2k views

Does HyperV allow binding physical NIC on virtual machine with promiscues mode?

I have HyperV on Windows 2008 Enterprise R2 installed with some Virtual Server running that I wanted to have ISA or NTOP to monitor traffic. I've added additional physical NIC to server and wanted ...
0
votes
1answer
183 views

Approach for monitoring internet backbone traffic volume

I'm interested in getting a picture of relative volume across different internet backbones. In particular, I'd like to see how traffic volume over a given route differs over the course of a day or ...
12
votes
8answers
28k views

What's the best way to monitor Internet traffic for the entire office?

We currently have a T3 line for about 28 people and it gets deadly slow during the day so I need something to help track down why. I'm assuming someone is downloading something that they may not be ...
5
votes
5answers
7k views

Generate a limited amount of random network traffic between 2 hosts

I'm trying to find a utility that will allow me to generate a constant flow of random network traffic at a specified rate between 2 hosts. The utility needs to run on Windows and OSX. I've tried iperf ...
1
vote
2answers
143 views

Has anyone experienced unintentional traffic overload due to clients' use of wget?

I am wondering if it is wise to indiscriminately block wget on servers that I maintain. Has anyone experienced unintentional traffic overload due to clients' use of wget?
2
votes
4answers
211 views

How do I associate server traffic to a domain hosted on that server?

I have three or four Linux servers, each of which hosts anywhere from 5 to 50 domains. Each domain has its own folder: /www/projectname/web/ Logs go in: /www/projectname/log However, if there's a ...
0
votes
1answer
48 views

Certain users cannot get to my server

I am finding more and more users that report they cannot reach my server (website or services). Their tracert from that user looks like this: Tracing route to domain.com [*.*.*.255] over a maximum ...
1
vote
3answers
879 views

Linux users traffic measurement

I want to measure traffic(upload) made by each user on a linux system. Each users runs a rTorrent instance on a specified port. Also users could make traffic through the ftp server (vsftpd). Is ...
0
votes
3answers
2k views

How to I sniff this from iTunes? [closed]

If you have used Firebug, you know that you can see the "AJAX" requests back and forth. And you can see the headers sent. I would like the same thing. Except, I would like to sniff iTunes. I want to ...