Questions tagged [traffic]

QAs about traffic within the meaning of operating systems and computer science.

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1answer
27 views

Module Not Found error while running a program in NeST software

I tried to run with $ sudo python3 p2p.py But it shows an error in my machine . ModuleNotFoundError: No module name nest
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41 views

Pktgen Dpdk different socket ID on different cores error

I am facing the error " port 0 on socket ID 0 has different socket ID on lcore 1 socket ID 1" whenever I run Pkt gen Dpdk. I am running this on Host Machine. Pktgen Dpdk runs fine when I run ...
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Traffic Problem - ubuntu server

enter image description heream using (Ubuntu server) as a router, I have more traffic than (1 Giga) when I pass the traffic it decreases to about 400Mbps and when I run (bmon) it shows a "Core ...
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333 views

How to mirror traffic on one interface to another?

I'm basically trying to implement a tap-interface on wlan0 interface (Ubuntu 18.04), i.e., mirror every packet going through wlan0 (incoming and outgoing) to another interface (tap0). I've got tap0 up ...
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58 views

VPN connected but no traffic

I want to establish a VPN connection to my workplace in order to remote access my work PC. Connecting to the VPN worked well, but unfortunately the traffic does not go through the VPN connection. Here ...
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1answer
208 views

UFW Rule - Deny Routes

I want to deny all outgoing traffic except to a specific address/address range. I attempted: $ ufw default deny outgoing $ ufw allow from x.x.x.x to any $ ufw allow to x.x.x.x from any However, ...
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0answers
131 views

What do the numbers on the speedometer 2.8 screen mean?

I'm running speedometer 2.8 which has been recommended in various answers on this site to monitor network utilization. I have read the manual page and have searched on Google but I am not seeing it ...
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0answers
455 views

NetHogs showing suspicious (outgoing) traffic to random ports from root on Ubuntu 16.04

Using NetHogs on an Ubuntu 16.04 (web) server, i.e. on a machine where no consumer applications or web browsers are installed, besides traffic that is to be expected (HTTP and SSH) PID USER ...
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43 views

Packet Loss Counter

While transmitting packets from multiple protocols, is there a way to track packet loss on both the server and the client side in UDP, TCP, Multicast and ICMP?
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1answer
94 views

Connecting to server which is conncet to VPN

I have a server and nordvpn account. What I want is that I want to conncet my server with ssh and then in my server I want to conncet my vpn. I want to use my server with vpn. I install openvpn to ...
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1answer
516 views

mqprio qdisc not working

I am using ubuntu 4.15.0-43-generic, I am trying to run the mqprio qdisc with this command # tc qdisc replace dev ens4 handle 100: parent root mqprio num_tc 3 \ map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 ...
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1answer
489 views

Why I get error Failed to execute child process “/sbin/ifconfig” when opening Nutty?

I am in Ubuntu 18.04, I installed Nutty using command sudo snap install nutty while trying to open using sudo nutty I got this error: [_LOG_LEVEL_WARN 03:18:10.669274] nutty.vala:1248: Error ...
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1answer
791 views

How to monitor Network Traffic at a particual port number let “8443”

To measure network traffic, I explored various ways like ntop, tcpdump, iftop, bmon. But, Exact network traffic for port number 8443 is not resulted by any of them. Please suggest how to measure ...
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133 views

Ubuntu VM Capture Port

I have been working for hours trying to figure out how to to set up a capture port on an extra Ubuntu 16.04 server port. Summary: Host machine, Windows 7, has 2 ports. One port is for accessing the ...
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0answers
46 views

Help with tracking data usage by connection/network (SSID) rather than interface (MAC)

I need to be able to track the traffic of my wireless interface by "network". I move around a lot. Some of the places I work have usage limits, other do not. I always connect via the same interface. ...
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0answers
365 views

How to redirect traffic between VPN

I have many interfaces and subnets (local and vpn) on ubuntu router but i need to remap traffic from openVPN to IPSEC tunnel trough defined subnet destination ip is 1.2.3.4 ipsec tunnel accept ...
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0answers
685 views

What is this UFW rejected traffic that I'm seeing?

I know that 192.68.1.1 is my router and I know that 224.0.0.1 is a broadcast address and I've deduced that 192.68.1.14 is my old Roku. I don't see any mention of what port is being hit. I do use DDNS ...
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2answers
3k views

Monitor everything goes in and out of my machine

Hello I want to achieve as much security as I can on my Ubuntu machine so I want to check for suspicius connections.Any idea how to monitor network traffic on my pc? incoming and outgoing both.I also ...
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0answers
377 views

Vnstat showing large amount of traffic

I am using lubuntu 16.04, and have vnstat to monitor my traffic, since in our students home we have a limit of 30Gb per month. Everything was fine with the program till yesterday when I tried ...
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1answer
40 views

tcpdump, odd packet records

I was checking out tcpdump and this is what i found. 14:27:13.244527 [|ip] It is a record that as you can see contains no information except a time stamp and those brackets with |ip. while a normal ...
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0answers
395 views

NTM on Ubuntu GNOME 16.04

I have just installed NTM - Network Traffic Monitor on my Ubuntu. I've set the wlp3s0 interface, the one that i've seen running ifconfig. But application has just crashed and now, running NTM from ...
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1answer
111 views

Encrypt internet traffic on Ubuntu VM

Is there some way to encrypt internet traffic on Ubuntu VM so that tools installed on host machine could not see it/read it?
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0answers
1k views

How do I route all network traffic through OpenVPN using network manager in Ubuntu 15.10?

I am trying to connect to my university's VPN on a 15.10 machine. When I do it via the command line, all the traffic is routed through the VPN: That's what I want. When I load the same OpenVPN ...
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3answers
2k views

How to setup PC router to monitor LAN traffic?

I'm sure I can turn a pc or a raspberry pi into a router. I'm just wondering if I can use this router to monitor traffic? I mean say I have four terminal devices owned by different person in my home,...
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2answers
1k views

Promiscuous mode not working with ubuntu and wireshark

I am running Ubuntu Linux and have installed wireshark on it. I can see the incoming and outgoing traffic just fine. Now I want to see the traffic from other devices which are on my LAN. So, I did: ...
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1answer
161 views

Traffic meter [Xubuntu 15.04]

is there any utility or application that can measure my traffic? I googled it and searching in Ubuntu software center, but i didn't find any.
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4answers
8k views

Ubuntu 14.04 spying? suspicious traffic at boot

Brand new install of Ubuntu 14.04. After I disabled all the web searches in Unity bar (all that I could find, amazon, various lenses ect.), I noticed that when Ubuntu boots there is suspicious network ...
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1answer
802 views

Monitor network load on ubuntu server 14.04

I wanted a lightweight tool so that I can remotely monitor the network load on my server(apache2) I want to know the bandwidth usage the IP addresses of the traffic Any tool in mind guys?
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1answer
488 views

Traffic shaper: sfq external classifier not working as expected

I have an Ubuntu 14.04.1 LTS with 3.13.0-44-generic kernel. My traffic shaper rules: # Add disciplines for DL device tc qdisc add dev $devDL root handle 1:0 htb default 12 # Add classes for DL ...
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1answer
804 views

Ubuntu 14.04.1 LTS: tc filter rule hits not shown

Have a Ubuntu 14.04.1 LTS. There is no rule hits stats in the output of tc filter show command: tc -s -d filter show dev eth0 filter parent 1: protocol all pref 1 u32 filter parent 1: protocol all ...
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1answer
739 views

Monitor network traffic usage per user by terminal?

Can you offer me some tools with which i can monitor traffic usage per user in WiFi/Ethernet network per user? And also will be good if i can see PC's name.
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4answers
5k views

Is there any linux in built application or any method to find the network usage(data usage) of the internet connection?

Is there any linux in built application or any method to find the network usage(data usage) of the internet connection? I know there are many softwares that can be installed into os for this purpose. ...
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0answers
1k views

route traffic throught openvpn

Before I ask my question, let me clarify for dear moderators that I've searched a lot for a solution, but none of the questions/answers on Askubuntu (and other Stackexchange sites) addresses my ...
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1answer
2k views

How to block all traffic except for browsing?

Sorry for the paranoid question but is it possible to block all connections except for Firefox and updates? And if so does someone got a terminal code for it?
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1answer
181 views

Indicator, notifier and blocker of Internet traffic

Which traffic monitor applications currently available can do the following things? (or some of them, in the worst case) start recording how much Internet data is downloaded and uploaded with a ...
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1answer
1k views

why does transmission bittorrent client still send and receive with zero download/upload speed!

this is my network traffic with vnstat: ^ r | r ...
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1answer
5k views

Why do Ubuntu Servers connect to likho.canonical.com:80?

We have some Ubuntu 12.0.3 servers in our network and I can see several denies per day on our physical firewall. The Ubuntu servers are attempting to connect to 91.189.91.15 (likho.canonical.com) ...
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2answers
5k views

How to capture https traffic

I am trying to capture the requests of my android emulator. I want to know the data used by my android app. I tried various ways which didn't work. I am trying to do that using the emulator now. I ...
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1answer
678 views

Is the Ubuntu 12.04 server support linux kernel version 2.4.20?

because I will use HTB for ubuntu server 12.04.
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2answers
931 views

Is there any solution to do per process based traffic shaping in Ubuntu?

is there any solution to use per process basis? I mean when I do HTTP download, I can't browse web. It's no use to prioritize traffic based on protocol in this case. So, what I need is to give ...
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1answer
449 views

Ubuntu scanning internet traffic?

Can Ubuntu scann all internet traffic in my office? I have 10 employees with Windows desktops and I would like to know which internet websites are they visiting. I have Ubuntu desktop 13.04 at this ...
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1answer
1k views

block all Torrent traffic via dansguardian

i was wondering how to block all Torrent traffic via dansguardian
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2answers
27k views

Which application can I use for a network traffic monitor

Is there a way to see ALL the traffic? from which process with the REAL NAME is accessing to which IP with the REAL NAME at which bitrate? When I say real name I am referring something like this: ...
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2answers
106 views

much background traffic

Since I am working with Dist. 13.04 I am experiencing much background traffic. I have a monthly limit of GB to down or upload. So it is burdening my balance. What I have done up to now: 1. I have ...
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0answers
2k views

How to trace all the file transfered into my ubuntu server

I just started a task and I'm trying to get a list of the all file transfer that is happening on my server, from outside the server, mean user sending file through ftp or scp just, This task is just ...
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1answer
2k views

How do I firewall my computer so that only traffic go through the VPN?

I have read "How to configure an Ubuntu server so that all traffic goes through a VPN?" and found it doesn't apply to my case. I am only interested in the client-side of the VPN connection as I am a ...
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1answer
126 views

Is there a utility to show total up/download quantity of a process

In bash I can run time $(curl -L ...|bash) to find out the total time this script takes. Is there a way to get similar total information about the up/download traffic it generated? Note that ...
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0answers
22 views

Is it possible to view per-process statistics on traffic usage? [duplicate]

Possible Duplicate: Specific traffic analysis In bmon and vnstat I can see whole amount of received and sent traffic. But I can't see its origins (processes that sent those requests). Currently I ...
3
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1answer
946 views

Measure amount of traffic in Ubuntu in GBs?

My university internet connections such as Eduroam and Aalto Open are extremely poor so I use prepaid-services, less lag. Now I may run out of prepaid time so how can I measure the amount of traffic ...
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1answer
2k views

Force real network usage - disable loopback interface for applications

I am trying to test some network properties with a (partially self written) tool chain. As I would like to use one device with two WLAN adapters / interfaces, I have to prevent communication over the ...