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Questions tagged [network-monitoring]

Describes the use of a system that constantly monitors a computer network for slow or failing components and that notifies the network administrator (via email, SMS or other alarms) in case of outages.

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How do I list OID Names along with their associated OnNotificationAction Triggers with PRTGAPI using Powershell?

So I'm trying to pull a list of Group Names with their corresponding notification triggers using PRTGAPI, Get-Sensor | Get-Trigger gives me ObjectId & OnNotificationAction but I am struggling to ...
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-1 votes
2 answers
84 views

Why does Windows 7's Resource Monitor indicate 12 Mbps of Network I/O while it also indicates ~10MB/s of Network Activity?

I saw the following: Why does Windows 7's Resource Monitor indicate 12 Mbps of Network I/O while it also indicates ~10MB/s of Network Activity?
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SNMP getBulkRequest sometimes does not return all information

I have a monitoring system set up that monitors total disk and current swap usage of my servers. The checks are performed over SNMP. So after leaving them up and running for around 3 months I finally ...
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Appindicator showing total network data used on my PC

I want a simple icon that shows up in the status tray showing the total amount of internet data used by my computer . Do not recomend a gnome extension as it breaks easily.
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monitor android app's web connection

Recently My relative has became victim of phishing scam and lost around 50k money.. First Fraudster gave him fake Order Item page for order of Rs.300 In which he inserted debit card data. After that ...
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How to Log Daily Data Use by Process & IP? (Win10)

I need something like peerblock, or Windows' built in Resource Monitor, but with bandwidth logging capability, so I can keep track of how much data is going out to WAN IPs for a certain process each ...
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Charles Proxy Debuggeer misses Flash XML Socket Connections

I wanna debug Flash XML Socket traffic with Charles. I found on Charles website that it can be debugged if I use Charles as a SOCKS proxy : IMG I have done that by clicking [Socks Proxy Mode] and ...
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1 answer
3k views

How to view daily (network) data usage in Windows 10?

In Windows 10, it is possible to view 30-day data usage on each network (e.g. Wi-Fi networks or Ethernet) and data usage by each program on this period. This can be seen at Settings -> Network &...
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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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1 answer
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How to access data usage for custom range (on already existing data usage on Windows 10)?

I have data usage logged on my Windows 10 laptop at Windows Settings → Network & Internet → Data Usage. What I'm trying to do is instead of getting data usage for the last 30 days, I want to get ...
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Unable to switch to channels 12 and 13 using terminal "airport" utility on MacOS (in wireless-monitoring mode)

There is a terminal airport utility in MacOS that can be used for wireless diagnostics. Detailed here: http://osxdaily.com/2007/01/18/airport-the-little-known-command-line-wireless-utility/ It can be ...
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Use output text from a command as filename

curl http://v6.ipv6-test.com/api/myip.php returns me my current IPv6 addr. I'd like to use this string as part of a filename to be created, followed by timestamp of when the script ran. Any idea how ...
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1 answer
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Zabbix not plotting values from a simple text file on another host using Zabbix agent

I have Zabbix server installed in a Ubuntu virtual machine (hyper-visor is VMware Workstation Pro 15). My goal is to monitor a text file containing floating point numbers (the numbers are written in a ...
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2 votes
1 answer
4k views

Getting a “FATAL: Connection to Cacti database failed” when attempting to install Cacti on CentOS

I've nearly finished setting up Cacti on a headless VM CentOS server. Apache is up, MySQL is up, all requisite PHP modules are installed. When I browse to the server's IP, I can verify that httpd is ...
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2 answers
665 views

How to get actual network traffic of an application?

Firstly, sorry for bad English. I have an application that runs on Citrix Workspace and generally I runs application from .ica extension file format. So I can access the database using this ...
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Monitoring my personal web traffic behind NTLM-authenticated proxy

At my office, I'm regularly using more than the recommended bandwidth per month. This isn't a big deal since it's a soft cap, but I do get monthly emails asking me to justify my usage. As I understand ...
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Network traffic monitoring using RaspberryPi

The ISP in my country limit the internet with monthly quota 100GB 200GB and so on, so i must be careful of consuming all of it before the month ends so i decided to watch my home network traffic using ...
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Is my wireless adapter supported for monitoring?

Ive recently bought a https://www.amazon.co.uk/AC1200Mbps-Wireless-Antennas-802-11ac-MacOS10-5-14/dp/B07PQJYLDH/ref=sr_1_1?keywords=high+gain+dual+antenna&qid=1562166711&s=gateway&sr=8-1 ...
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1 answer
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Sniffing communications not working

I am looking for a VirtualBox guru. I tried several settings without success and I don't know what should I try further. I have three virtual machines: Two Windows 7 machines (master-slave ...
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1 vote
1 answer
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How do I find out which program and process ID accesses a given IP address in macOS?

Is it possible to identify which program on a Mac is accessing a specific IP address? I found my computer is contacting what have been identified as malicious addresses and wish to investigate each ...
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1 answer
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HTTP monitoring on Nagios Core

I'm trying to add a host to my Nagios Core server si it checks its availability the same way you check it on Nagios XI, so I create my .cfg file, I add the host info and try to check the .cfg file, ...
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1 vote
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278 views

How can I monitor/record network stability in the background?

I work in a building where the network connection regularly has issues, but the people responsible for the LAN refuse to acknowledge there is a problem, "because nobody else has complained, so it must ...
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1 answer
355 views

using Wireshark to decrypt packets in monitor mode

I am trying to figure out some stuff related to my home automation system and am using Wireshark in monitor mode to capture packets. It would be very helpful to see IP addresses associated with the ...
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553 views

Networking, monitor and limits by data usage based on IP or user

In my home in mountain I have a 4g connection and operator has a cap limit of 10GB I have tablets, phones, pcs, all connected to a router (Netis with no rich functions).(max 10) And router is ...
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1 vote
1 answer
349 views

How to monitor on which channel my WiFi operates while scanning for access points?

I would like to see precisely at which time my Wifi module is sending/receiving on which Wifi channel, when in infrastructure mode as station. To be specific my main interest is what happens during ...
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-1 votes
1 answer
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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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Low count of data frames in wifi monitor mode

I am using scapy to gather stats about wifi traffic for a given MAC. I log the date, type, subtype, and rssi of packets I capture in monitor mode with scapy. And I see a very low count of data frames ...
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home network wifi packet monitoring solution

My goal is to be able to capture all packets on my home network. Every packet generated by a local machine or received from the Internet. (No, I'm not trying to spy on anyone. This is my home network ...
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2 answers
2k views

Possible proxy virus monitoring traffic - how to determine cause of proxy and intent of proxy?

Last night I noticed I can't connect to the internet. I checked my Arch Linux installation, and it was fine. Indeed, my Android phone was fine too. After some digging, I tried to disable '...
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-5 votes
1 answer
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Missing data from network monitoring graphs [closed]

The graphs cacti is producing are incomplete. What is problem?
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1 answer
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Can the network admin at work see what i browse with my work computer even if I am using a public connection, say a Hotel Wifi elsewhere?

I m using a laptop from work and usually I use the Wifi or ethernet at work which is definitely monitored by the office IT team/network administrators. The account I use in the laptop is a user ...
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1 answer
2k views

Selecting between Zabbix Agent, SNMP and other available protocols in Zabbix NMS

I have started using zabbix 3.2 and currently I am monitoring 10 devices , 8 of which are Snmp based and 2 are Agent based. Currently both type of devices are showing basic data like CPU, Memory etc. ...
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Send Alert when PC is Offline

I'm simplifying/generalizing the scenario here. I am looking for a way to receive alerts if my Windows 10 desktop PC goes offline for any reason. The PC is on a private network / behind a firewall so ...
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1 answer
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infrastructure for secure network monitoring [closed]

Assume I have some standard dsl router and a pc, which is connected through the router with the internet. Also suppose both are compromised with rootkits placed in the flash storage of those machines. ...
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1 vote
1 answer
7k views

iperf3 error exactly 7 seconds into running the test

I am running an iperf test to measure bandwidth from a host iperf client to a container iperf server.Exactly 7 seconds into the test iperf gives an error & abruptly ends the test. The message ...
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2 votes
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399 views

Wireshark/Tshark. Very little (data) packets in monitor mode

I'm trying to setup a proof of concept for indoor positioning using WIFI. The idea is to place a few WIFI adapters in several locations in a small building, each tracking signal strength and MAC ...
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1 answer
173 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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1 vote
0 answers
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Simulate static ips in a private netwrok

This is the context: We are trying to monitor via SNMP a set of devices. Unfortunately, all our solutions monitor by IP, and this set of devices change ips regularly (doesn't matter why, think of it ...
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3 votes
3 answers
18k views

What does N * * * mean in traceroute output? [duplicate]

Wanted to perform simple trace for learning purposes: traceroute google.com It gave me among another lines some lines that look like the following ... 15 * * * 16 * * * 17 * * * ... few similar ...
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2 votes
0 answers
2k views

Can Monitor mode and internet connection work together?

Im using raspberry Pi 3 with linux Kali installed , trying to capture all the packets in my WLAN network. Now,to do that I need to get in monitor mode, since the R.PI3 built in chip has no monitor ...
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2 answers
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network statistics monthly group by ip address

How can I get network statistics monthly group by ip address on my linux router. I have a linux router at home and I want to get network statistics information monthly grouped by ip address pair ...
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0 votes
1 answer
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monitoring and testing Internet of Things devices for security

My home network recently acquired a couple of IoT (internet of things) devices: a solar energy company hooked up a ethernet-connected telemetry gadget, and I put in a wifi-connected printer (made by ...
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2 votes
1 answer
8k views

How to track a specified program activity

I want track the behavior/activity of a specified program automatically and save them to a log file, for example i want to know: when it use network and on which address. which files it consulte/...
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2 votes
0 answers
208 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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1 answer
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Logging traffic through home router per user

I'm sharing a flat with 3 others and the internet service is under my name. Is it possible to log the traffic generated by all users such that, in case if one of my roommates does something nefarious ...
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1 vote
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How to turn Linksys-WRT54GL v1.1 to monitor mode?

First I am using Linksys-WRT54GL v1.1 and OpenWRT using b43 driver. I tried many times to capture packets in monitoring mode and I did the following step create interface iw phy phy0 interface ...
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2 votes
1 answer
680 views

How to monitor bandwidth on a LAN with consumer hardware?

I want to install a server running NtopNG for monitoring real-time network usage and logging statistics on usage of my network, specifically the outgoing network traffic, as the LAN shares a quota ...
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-2 votes
1 answer
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How can I know ASAP when my PC loses Internet connectivity and I'm away from the PC? [duplicate]

I have a PC with a USB humidity logger, that measures humidity in our factory. When the humidity is too high, the PC sends me an email alerting me to the problem. Sometimes the internet goes down, or ...
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0 votes
1 answer
162 views

How to find out the URL to which a process is trying to connect to? [closed]

I have a program that is downloading some files from the Internet transparently (I don't know from where the files are downloading). I want to find out the URL of those files that are currently ...
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-1 votes
1 answer
154 views

How can I know ASAP when my PC loses Internet connectivity and I'm away from the PC [closed]

I need to know ASAP when my PC loses Internet connectivity. It is of no use to me if my PC waits until it's back online and then emails/SMSs me that service has been restored. Is there a way to ...
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