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-1
votes
0answers
20 views

Monitor traffic with endpoints [on hold]

I want to monitor traffic on my linux machine with metadata (remote IP, port) like ntop does, but a bit more like webalizer or cacti over time. vnstat does not provide connection metadata, but ...
-2
votes
1answer
36 views

How to monitor Windows Server process Internet activity? [closed]

Does anyone know a good tool for Windows Servers that would show breakdown of Internet traffic by processes and users? I know there are many Microsoft tools (such as process explorer) but does ...
0
votes
1answer
28 views

Monitor ppp0 traffic usage with Linux

Hey I'm developing a 3G connected device with a raspberry Pi. My mobile provider allows me to use 50 MB/month. This device will be installed somewhere nobody can have physically access to. My concern ...
1
vote
0answers
34 views

Redirect Default Gateway Traffic in Linux to File

I am trying to troubleshoot one of my linux servers (ubuntu server). Therefore I want to intercept all traffic that is sent to the default gateway and then write it to a file: preferably some kind of ...
-2
votes
2answers
44 views

How much traffic does a Ubuntu server cause for updates? [closed]

Does anybody have some numbers on how much traffic/month a ubuntu server causes if automatic updates are enabled (just for fetching the apt sources and the packages)? I have a small box which is ...
1
vote
2answers
46 views

Traffic redirecting with linux? (Man in the middle)

I have got the following scenario: I have a Linux box with two NICs and all network traffic comes in trough one NIC and goes out to the other one. So basically I'm already the man in the middle. But ...
0
votes
1answer
29 views

what does JYADXW mean as a HTTP verb?

Some jerk attacked my server, and I was reading the logs, when I saw "JYADXW" where the HTTP verb GET/POST/OPTIONS normally reside. What is this request? what does it mean? malicious IP Here - - ...
-2
votes
1answer
291 views

How to route only specific openVPN traffic through a openVPN based on IP filtering of the destination? [closed]

I noticed a DNS proxy service I saw utilizes openvpn and tunnels supposedly only DNS traffic through the VPN which masks the users of the VPN's geolocation and allows the users system to use their ...
0
votes
0answers
79 views

Inbound traffic equals outbound traffic

I'm trying to monitor inbound and outbound traffic using Cacti on Ubuntu Server 14.04.1. I've got it up and running, but the reported data is wrong. When I run 'ifconfig' I get the following: lo ...
0
votes
1answer
77 views

Network traffic simulation with one computer

I have a Linux box with a gigabit Ethernet interface in a local network. With this single computer, I need to simulate HTTP traffic like if it was coming from 20 machines (hence with 20 different IP ...
0
votes
0answers
92 views

Monitor traffic on ports with Cacti

This seems like a basic question, but i haven't found any solution yet. Recently I've installed Cacti for interface traffic monitoring. That works fine, but I would like to see these graphs for used ...
0
votes
1answer
28 views

Iptables and counters

I'm trying to use iptables counters with munin to monitor traffic of hosts on my local subnet. For each host I set up a rule like this: iptables -I OUTPUT -d $ip This should count the packets going ...
-1
votes
2answers
148 views

Block incoming traffic from unresolved IP address

How can I block all the incoming traffic from unresolved IP addresses? I am using CentOS with WHM/cPanel installed. I am getting huge junk traffic and 95% is from unresolved IP addresses and only 5% ...
0
votes
0answers
65 views

Squid not routing traffic, missing domain

I have a squid3 proxy setup and would like to route it's traffic although when I try and connect I get this error: The following error was encountered while trying to retrieve the URL: ...
1
vote
2answers
158 views

Traffic increase causes VPS to crash due to RAM utilisation

I have a VPS which runs multiple Opencart sites and for the most part performs the task very well. Spec: CPU GenuineIntel, Intel(R) Xeon(R) CPU E5-2665 0 @ 2.40GHz Version Parallels Plesk Panel ...
1
vote
1answer
164 views

How to optimize prefork mpm for high traffic?

I have allocated 5GB of memory for Apache processes. While basing on the fact that each Apache process consume in average 42.5MB I've set the following on my server (while calculating as if each ...
0
votes
1answer
23 views

Email traffic redirect

We have old email servers from our systems from years ago that are no longer around, in our application code are hard coded references to our old email servers. The code cannot be changed easily. Can ...
0
votes
0answers
51 views

netperf issue on RHEL

Please help me with netperf issue. When I issued the following command on server (Red Hat Enterprise Linux), and got the following outputs. Tried to research online, but not much help. I was expecting ...
3
votes
1answer
107 views

linux tc htb bandwidth ceil being ignored and giving improper results

I'm setting up some htb packet queues like so: tc qdisc add dev eth0 root handle 10: htb tc qdisc add dev eth1 root handle 10: htb tc class add dev eth0 parent 10: classid 10:1012 htb rate 750kbps ...
0
votes
3answers
66 views

Architecting a web server hosting mixed small and large (100MB+) static content [closed]

I have the challenge of hosting about 200-1000 mp3 files, all in the 100MB+ size range. Furthermore, there are some smaller RSS files, and some smaller JPG files. All this is static content, no PHP, ...
0
votes
0answers
112 views

Trouble using net_cls control group in tandem with tc for packet filtering

I'm having some trouble limiting network bandwidth using the net_cls control group in conjunction with the linux traffic controller (tc). I think I might just be confused about how I'm writing the ...
1
vote
0answers
122 views

how to manage bandwidth and amount of traffic over pptp?

I'm running Ubuntu 12.04.4 and using it as internet server , file server and printer server. The problem is that my company manager decided to limit bandwidth and the amount of data per user per ...
0
votes
1answer
158 views

Port level traffic monitoring (with graphs)

I'm looking to monitor traffic (incoming, outgoing and total monthly) on a few ports (mostly TCP) and I've done a ton of Googling around and everything leads to software I either can't manage to use, ...
2
votes
1answer
74 views

Is this reverse proxy configuration possible

I will first try to describe the problem I have. Let's say I have two different http servers running on two different ports behind firewall on my local machine: SERVER1: http://localhost:8001 ...
31
votes
3answers
2k views

ISP broadcasting all IP-packets, so I can see traffic of other clients from ISP

Recently I wondered why my router shows a constant downstream of 5 MBit/s, while I am downloading almost no data. I discovered the "packet logging" function of my router, with which I was able to log ...
1
vote
2answers
626 views

KVM: All network traffic to one guest (firewall)

I am currently using a VMWare ESXi 5.5 server for my virtualisation. The network setup is like this: PFSense firewall is the center of it all and connected to: LAN Network (physical NIC 1 assigned by ...
1
vote
1answer
94 views

How can you investigate a daily traffic drain?

Running Amazon EC2 instance, t3.large tier. And observing interesting situation: Every night (UTC+1 midnight) the same NetworkOut jump occurs. What are my options to investigate it? The EC2 runs ...
1
vote
1answer
1k views

fortigate traffic packets not logged

Ciao, we use Fortigate device since years and now we need to check bandwidth usage per protocol and this is is not possible. We made this test: 1) all policy Logging Options - Log all Sessions 2) ...
0
votes
1answer
109 views

Redirect all VPS traffic to another VPS

is there any way to redirect all traffic from one VPS to another one? Example, domain is parked with IP 1.1.1.1 but website, smtp, game server, teamspeak server is hosted on 8.8.8.8.. (Ofcourse I ...
1
vote
0answers
78 views

Varnish & iFrames - Each iFrame counts as a hit = poor performance?

I have a large Wordpress site (600-900 consistent users at all times) and about 6 months ago we setup Varnish. Our config uses 5GB cache and is stored in memory. When the site hits around 1500-2000 ...
0
votes
1answer
49 views

Redis: INFO doesn't report network/bandwidth metrics?

Is there a way to get network/bandwidth metrics from a given Redis process? Something I missed in the output of the INFO command? Some patch or compile time configuration option? Or would I need to ...
0
votes
4answers
933 views

Meaning of numbers on Watchguard Traffic Monitor

When looking at Traffic Monitor, you will see columns of numbers. However not all of them are apparent on what they are for. Unfortunately I don't have enough reputation to post images but I'll try ...
-1
votes
2answers
185 views

why the dns related traffic is so huge, is my server being hacked?

I have a vps, and have several site on it, usually these sites are rarely being visited except myself, thus i am shocked by one fact that is i visit the vps provider's portal and find i have used a ...
0
votes
1answer
172 views

Redirect traffic to another local machine requesting for a certain webpage

I need to redirect traffic, which is requesting for specified address(www.vlp.ee), to an another machine(10.251.36.5) located on my local network. The machine that handles the incoming traffic is ...
0
votes
1answer
102 views

High-traffic, low disk utilization AWS solution [duplicate]

I've got a high-traffic (imagine tracking server) node.js server that's going to run on AWS EC2. There is no disk operation involved, but a lot of DynamoDB requests (in same zone), ElastiCache usage ...
6
votes
3answers
341 views

What is the difference between these 2 iptables rules?

Trying to allow incoming ssh traffic on port 22. Default behavior is to DROP all incoming traffic. I came across 2 articles on how to allow traffic. However, they are different. ## open port ssh ...
-1
votes
2answers
387 views

Linux: How to find out which process curently creates the most network traffic?

From time to time connection to my server is very slow. This could be that someone is doing large uploads or downloads. Since I have a lot of software on my server I would like to find out, which ...
3
votes
4answers
814 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 ...
0
votes
1answer
32 views

Who has traffic data in the Registrar-DNS-Host chain

When you register a domain, typically the registrar will set it up on their default DNS servers and point it to their default web server to serve their default parked page. Obviously the web server ...
0
votes
2answers
527 views

Is there any open source software for QoS (traffic control)? [closed]

We are doing QoS (traffic control) for our server application. This server provides file download service for users and we want to give different users different priority and bandwith. Suppose the ...
-2
votes
1answer
93 views

Unusal internet traffic drop off [closed]

I'm after advice on how to approach a problem I'm having on my e-commerce site. Occasionally, the site suffers a levelling off of users on the website, compared to our historic traffic this is ...
2
votes
1answer
406 views

Mirroring Traffic with Nginx

I need to duplicate/mirror the traffic comming to my server/resource. I mean, I have server A and B and N (nginx) as webserver. All the traffic comming to N/resource --> redirect to both A and B Is ...
-1
votes
1answer
39 views

What can cause drastic traffic jump on server?

In the last couple of days, between 3AM and 4AM my server traffic jumps tenfold, from 20MB to 200MB. I've checked the access log, and while there is significant googlebot activity, the difference ...
1
vote
1answer
124 views

Will traffic control software cause tcp packets to be dropped

I am testing our client-server applications using NetLimiter which is a traffic control software. I found that, when client is receiving files from server and I use NetLimiter to set the download rate ...
0
votes
6answers
202 views

how to block all traffic to my website and only allow me to visit the site [closed]

my website is new and there is tons of things i want to take care of before i open the website to public but i'm afraid of that maybe someone will visit the website using google like they searched ...
0
votes
1answer
55 views

Traffic rerouting internally on LAN

I have a LAN with 10 PC's and 2 routers. One of the routers creates a secure connection to a different location. We do not rights to administer this router.The other router is my internet gateway. I ...
0
votes
0answers
92 views

Traffic shaping linux upload issue

Im currently working on a traffic shaping in linux. We have a client connected to a server running nat and dhcp. What we want to do is limit both the upload and download speed of the client/clients. ...
1
vote
0answers
72 views

High outgoing traffic on VDS Ubuntu 10.04.4

I have a VDS on Ubuntu 10.04.4. It works as HTTP server (Apache, Nginx, MySQL, PHP, Postfix), no FTP, root log in disabled. Suddenly, my VDS was blocked, because exceeded traffic quota (300 GB a ...
0
votes
2answers
356 views

High Inbound network traffic [duplicate]

I have a CentOS 6.4 64Bit Dedicated server used for hosting several websites. I recently checked the traffic graph for my server and discovered that the inbound traffic is very high (about 200-500 ...
0
votes
1answer
126 views

Possible causes of high download activity on network [closed]

We had an issue where we noticed approximately 170GB of data downloaded as http traffic over a one week period on our network. After locking down many services and running a hub as an in between ...