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14
votes
3answers
19k 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 ...
0
votes
3answers
174 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. ...
8
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 ...
10
votes
8answers
19k 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 ...
3
votes
4answers
1k views

How do I get the number of (currently) established TCP connections for a specific port?

How do I get the number of (currently) established TCP connections for a specific port? I have managed to get counters for traffic working by doing i.e for outgoing RTMP. iptables -N $CHAIN ...
1
vote
1answer
328 views

What is causing the huge network traffic?

I have a virtual machine hosted by Hyper-V, in a physical server provided by Hetzner. The physical server has Windows 2008 R2 Server, and the virual machine has Windows 7 Pro 32-bit. The virtual ...
1
vote
3answers
835 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 ...
-4
votes
1answer
514 views

Sudden increase in outgoing traffic

My server is witnessing a sudden increase in traffic. Consistently there is a 200mb outgoing traffic every hour. This is not my web traffic. I am running centos OS and completely new to server ...