Questions tagged [network-traffic]

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TCPView (Windows) doesn't show any addresses

I'm using TCPView 4.16 for Windows 10 (downloaded from https://docs.microsoft.com/en-us/sysinternals/downloads/tcpview). Up until a few days ago it worked fine, but all of a sudden it simply stopped ...
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45 views

Using a third party Windows Application, Fiddler Classic's proxy changes, "click to reenable" capturing. Are any requests getting by unnoticed?

I recently began using Fiddler to capture requests from a windows application that I believe is sending malevolent requests. This said application actually has a browser extension for both Chrome and ...
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1answer
21 views

How can I identity which process is sending data to a certain host on Linux?

As per title, I want to figure out the process responsible for certain traffic. I can see the traffic in wireshark, but I don't know which process it is. Is there any straightforward way to do it? I'm ...
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32 views

Bifurcation of packets depending on LAN and WAN traffic and forwarding them to different gateways

The current scenario of my interfaces with their IPs and Gateways are as follows. PC1 -> IF11 192.168.1.100 GW 192.168.1.220 PC2 -> IF21 192.168.1.210 GW 192.168.1.1 IF22 ...
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16 views

Capturing network traffic of a single Application/Tab

I often come across a situation where I have to analyze external communication of a Mobile or Desktop Application or even a paritcular tab of a browser. I sniff traffic usually with wireshark but at ...
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6 views

Implications of restarting rsyslogd on a system with high workload

Imagine a system with a high traffic throughput (Linux based domain router). Its rsyslogd builds up a large memory memory footprint. Is it a big problem for system availability to restart this service?...
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1answer
227 views

How Do I Redirect HTTP(S) Requests From a Specific Domain to a Localhost Server?

I currently have a program that requests data from a server (let's say google.com), and gets replies from that same server. This application works on many devices like Android, iOS and Windows. ...
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39 views

Viewing router traffic by MAC address using DD-WRT

Using TP-Link router and their firmware it is possible to view the total and current traffic by MAC address: I have recently changed TP-Link firmware with DD-WRT (router model TP-Link TL-WR841ND v11)....
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37 views

How to Combine Wifi and Ethernet for increased bandwidth?

I have 2 mobile phones with seperate data connections and I can connect one of them to my laptop through a USB tethering mode and the other as a hotspot connection. For example the individual ...
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0answers
31 views

Capture HTTP Referer in network traffic for whatsapp using Developer tools in Firefox

I'm using the Network traffic capture feature in developer tools in Firefox to see the network traffic generated when clicking on a link in a chat message on web version of whatsapp. However, when I ...
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22 views

My mac encounters lots of internet usage? [duplicate]

My macbook is consuming lots of internet data, but usually my work needs nearly 1 or 2 GB but it consumes 8 to 10 GB of internet data, I don't know which app is using internet in background. I can't ...
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1answer
55 views

How to reduce Outlook 365 Cached Exchange Mode network traffic?

Working from home I noticed my Microsoft Outlook 365 Cached Exchange Mode had used ~1TB data last month! (My cable provider sent me a warning reminding me I only have 1.2TB/month!) I have tried ...
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1answer
91 views

Can I limit the scope of ntop to only monitor a specific connection?

I need to be able to track client data usage between their VM and an S3 compatible object storage bucket (accessed via https). I've installed ntopng community edition on the VM and right now it's ...
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1answer
110 views

Can Poor Wireless Performance at High Traffic Volume be resolved by high-end router?

I’m using two 2.4G wireless routers, Router 1 acts as a main router, whereas Router 2 is being used as a wireless repeater. Whenever I’m streaming on two devices simultaneously, I notice performance ...
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150 views

How to intercept a flash game's network traffic that doesn't show up in chrome's developer tools

Go to fairgocasino.com in chrome and open any game (let's take for example the first slot in alphabetical order, "5 Wishes"). Open the network tab of developer tools with rightclick -> Inspect -> ...
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41 views

How to pass Windows 10 CMD internet traffic through a VPN software?

I am using Windscribe free vpn software on Windows 10. But when I use CMD to access some data from the internet it seems it doesn't use my VPN tunnel and tries to access directly to the internet. How ...
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40 views

Block fake users & fake ip addresses from using application

I am facing some issues when it comes to application's traffic & its users. The point is that users tend to sign-up/register on my SaaS application. They use(mostly for wrong purposes) the product ...
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0answers
193 views

The bucket size in TC-HTB

I study the behavior of tc-HTB. I did a tc setting like the below. After reading The bucket in tbf, I expect its burst size will be rate / HZ. sudo /sbin/tc qdisc del dev s1-eth1 root sudo /sbin/tc ...
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82 views

Ethernet II frames with src mac addr 00:01:02:03:04:05 after connecting to home wifi router

I'm curious about this and haven't been able to find any satisfactory answer to my question (possibly because I don't know exactly what to look for here). When I connect to my home network, I see a ...
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2answers
281 views

How to find source of traffic to /socket.io on Win 10 desktop

I've noticed that when I run a local web server for web app development, the logs show that something is consistently trying to GET /socket.io from localhost on port 3000. Typically, I'm seeing this ...
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165 views

Slow site with fast ping, why?

Sometimes I'm using a Google service in a few browser tabs, and the Google pages all of a sudden start to load incredibly slow (dozens of seconds to start displaying the pages, such as Google results)....
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1answer
809 views

How to track network activty at router level?

Is it possible to track visited URL's on a home network, at "router level" - so setup is not required for on each individual device? (other than buying another router?) Most routers have a "logging" ...
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342 views

Monitoring network traffic from Microsoft Loopback Adapter

I am getting my internet connection through a Microsoft Loopback Adapter (coming from a Virtualbox), and because of loopback implementation, you can't monitor its traffic via Perfmon or Task Manager. ...
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1answer
109 views

How to create a firewall that monitors all traffic [closed]

I currently have squid on Ubuntu 16.04.2 LTS. I can't figure out how to make Squid a transparent server on the network with a Asus RT-AC66U Merlin and how to make the server into a network wide ...
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1answer
380 views

Why route traffic through my network/VPN?

I have an OpenVPN-access server set up in a docker container on my server (which is in my apartment). One of the options it provides is to route all client traffic through the VPN This seems like it ...
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0answers
133 views

Network Traffic caused by Word 2016 during first run on Profile

Work on a campus with over 600 student computers. Completing Windows 10 upgrades with Office 2016. When students launch Word 2016 for the first time the machine starts downloading "something" from *....
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1answer
35 views

Forwarding traffic from a router through a Comcast router/modem

I don't trust Comcast to do networking for me with regards to securiry or privacy, and I need to find out how to forward my network traffic through this new closed router they gave me. What is the ...
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1answer
538 views

Windows 7 Hidden Process with Network Traffic

This is about Windows 7, but I am not an expert on the operating system. Someone I know recently got a brand new (less than 2 days old never used before) laptop with Windows 7. I was asked to make ...
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366 views

How to know if a user clicked a link

I have large traffic files that I'm trying to analyze statistically to check if a user clicks on links in specific sites. It is important to say that my packets are sorted by flows (IP1 <=> IP2). ...
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1answer
2k views

does AdvancedTomato Web Monitor 'Monitor Web Usage' also log HTTPS traffic?

I enabled this Here some example logs: zcat domain-201.....log.tar.gz (..) 2017-05-03 00:19:29 192.168.1.23 update.appwork.org 2017-05-03 05:49:17 192.168.1.23 img.youtube.com 2017-05-03 17:39:...
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1answer
46 views

Analyzing HTTP traffic [closed]

I am trying to solve the problem for a while and i couldn't find a proper answer online. I have a file with mobile traffic (from an Android device) and I am trying to check whether an http request is ...
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1answer
167 views

How to capture network traffic periodically, with every capture file containing full network flows

I need to dump network flow periodically on a Linux platform, ideally using the command line interface (i.e., non-GUI tools), and I want every capture file (pcap files) to contain complete flows. How ...
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1answer
81 views

Will 100,000 probe requests per day impact network performance?

Is it normal for Sonos devices to send ~100,000 probe requests per day? It is kind of flooding out my network analysis. I can just filter this traffic out, but before I do I wanted to find out if this ...
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1answer
185 views

Aggregate network traffic by destination IP

The bandwidth usage of my server almost suddenly doubled from 4.5TB to 8.5TB per month. I don't see a corresponding increase in my website traffic. Is it possible to find out top network traffic ...
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1answer
466 views

Why does ADB appear to be using the network?

I was using ADB on Windows 10 to flash firmware to an Android device via a USB cable. During the process, I was looking through the Resource Monitor, and I noticed that ADB was appearing to recieve 3....
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0answers
204 views

Network traffic (data usage) monitor for Windows 10

I want to see and analyze which processes (and and if possible, browser tabs) has used what amount of traffic. I am on Windows 10 and have the Network Meter gadget installed (relic of Windows 7), and ...
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0answers
431 views

Why is Windows Defender Antimalware at sustained high network utilization?

2016 Dell Precision 5510 laptop workstation Windows 10 Pro v1607 Build 14393.222 Core i7-6820HQ 32GB RAM This high-end workstation was taking 30 seconds to open a 1 page Word document from the ...
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2answers
131 views

NetFlow packet analyze

I configured Netflow on Cisco 7200 and Cisco send some info for my IP address. According to the screenshot (Wireshark), 172.16.98.99 is Cisco's IP address and 172.16.98.28 is my IP address (...
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1answer
588 views

How to slow down traffic with tc?

I'm on Ubuntu 14.04; I'd like to learn the basics of traffic shaping, I made a simple script that should slow down my HTTP(S) traffic to ports 80 and 443. # usage: sudo ./filename.sh #delete ...
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0answers
120 views

Does the Program Syncthing Register as Bittorent Traffic for it's Peer to Peer File Transfers?

I operate a number of different devices running various OS's (Android, Windows, Various Flavors of Linux, soon a FreeNAS server.) while at my university. For obvious reasons the university both blocks ...
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3answers
55k views

How to find type of device with mac address? [duplicate]

Recently, I find out that somebody uses my network traffic. I found his MAC address and now I wanna find full details of his device. I tried: http://www.macvendors.com/ and such this, but the response ...
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2answers
1k views

Monitor network trafic between two computers on the same network

I have this scenario and I need some opinions from network experts. There is a way to monitor two computers from the same network without having administrator rights on the network ? I'm am on the ...
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1answer
97 views

How to test outoing traffic on random ports? (I'm on OS X)

In some situations or on some locations, I'm struggling with restricted outgoing traffic. For example a restricted LAN where outgoing traffic is only allowed on limited ports. I know how to check or ...
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0answers
75 views

How do I assign network cards to specific users?

OS: Windows 10 Pro I have 2 Network connections available. First is Ethernet, second is a LTE Router via Wlan. Main goal: Route specific program traffic through the wired connection while other ...
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0answers
625 views

How to monitor a port bandwidth?

How can I monitor a specific port's bandwidth? I'm using squid cache server, and I want to find out how much bandwidth is preserved. using soft wares like DU METER it's not possible to measure that. ...
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3answers
8k views

What does Bytes In / Out mean?

When viewing performance metrics for a computer, you might see something like "Bytes In" or "Bytes Out". What does this mean, and how does this related to "Upload" and "Download"? Is it "Bytes In = ...
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1answer
68 views

Switch Trafficking

I'm running a simulation in riverbed modeler, and I've got two broadcasting domains each having one Ethernet advanced hub and 16 Ethernet advanced stations connected to it through 10BaseT links. ...
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2answers
963 views

PC cannot ping anything but some applications can browse

One PC on my network cannot ping anything. Here is the relevant troubleshooting information I've been able to gather so far: Windows firewall is off on this PC. It CAN resolve DNS to obtain IP ...
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0answers
101 views

Can I get a cumulative In and Out counter for SNMP of my CentOS Linux servers from Nagios?

My SNMP monitoring server (Nagios) has a handful of plugin files for network interface monitoring, none of which so far have really helped me, or my parameters are not correct. I am monitoring remote ...
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1answer
23k views

Capturing traffic by HTTP host name, not by IP, via WireShark

I'm trying to filter traffic only to a given HTTP host name. I have a server, and I have dozens of websites on it. It only has one interface and one IP address. Thus filtering to my IP address is not ...