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

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0
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2answers
16 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 ...
0
votes
2answers
14 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: ...
0
votes
0answers
11 views

Ubuntu server close connections unexpectedly after multiple downloads

When I connected to Ubuntu server via SSH connection and run script which downloads a lot of images, its quitting ssh connection after few seconds with error: "Write failed: Broken pipe". Then I can ...
0
votes
1answer
39 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.
4
votes
4answers
501 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 ...
0
votes
2answers
119 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?
0
votes
1answer
139 views

Traffic shaper: sfq external classifier not work as expected

Have a Ubuntu 14.04.1 LTS with 3.13.0-44-generic kernel. Also, have a traffic shaper rules: # Add discuiplines for DL device tc qdisc add dev $devDL root handle 1:0 htb default 12 # Add ...
0
votes
0answers
82 views

setup traffic shaping with HTB and tcng

I am trying to set up a traffic shaping configuration with HTB (Linux queuing discipline manual) I have 3 subnets and 8000 users: subnet 1 : 2048 users subnet 2 : 2048 users subnet 3 : 4096 users ...
0
votes
1answer
186 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 ...
0
votes
0answers
64 views

Trickle still not limiting on dynamically linked applications

I've researched on many sites about bandwidth control and traffic shaping, ending up with Trickle. An article from TuxRadar says: Not only that, it can't work with all TCP connections either. ...
0
votes
1answer
158 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.
0
votes
3answers
242 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. ...
2
votes
0answers
270 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 ...
1
vote
1answer
247 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?
1
vote
1answer
127 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 ...
0
votes
1answer
520 views
4
votes
1answer
1k 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) ...
4
votes
2answers
659 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 ...
2
votes
1answer
483 views

Is the Ubuntu 12.04 server support linux kernel version 2.4.20?

because I will use HTB for ubuntu server 12.04.
1
vote
2answers
515 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 ...
1
vote
1answer
317 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 ...
1
vote
1answer
791 views

block all Torrent traffic via dansguardian

i was wondering how to block all Torrent traffic via dansguardian
5
votes
2answers
18k 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: ...
1
vote
2answers
77 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 ...
1
vote
0answers
284 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 ...
1
vote
1answer
1k 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 ...
1
vote
1answer
89 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 ...
1
vote
0answers
19 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). ...
3
votes
1answer
750 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 ...
1
vote
1answer
727 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 ...
6
votes
3answers
4k views

How to put all traffic and on one interface and some traffic on another interface

At the moment I'm working at a company and the problem is they allow SSH on wifi but not on their wired network. At the moment I push everything through a vpn, but that gives overhead on an already ...
0
votes
1answer
88 views

ADSL device name in Linux

How to find out device name (ADSL modem connected via Ethernet) in Linux/Ubuntu? The name is required for using tcpdump, the connection is active and was created in UI.
3
votes
3answers
7k views

How to setup a server as router with traffic shaping

A friend of mine owns a house with 10 rooms which he's renting out to students. He provides them with Internet access. Unfortunately, regardless of hes appeals and warnings to the students, they keep ...
4
votes
4answers
467 views

Specific traffic analysis

In the recent days, my traffic increased rapidly. How can I check which application is responsible for that?
3
votes
1answer
116 views

How can I see net traffic in the apps bar?

I have a question. How can I see net traffic in the apps bar? Do I have to install something? I don't want to analyze the traffic, just see if its having incoming/outgoin data transfer. Thxs!
3
votes
0answers
440 views

How I can monitor traffic on a certain port with munin? [closed]

How I can monitor traffic on a certain port with munin? I already use plugin port_ to see number of connection on a certain port, but I also need to see the traffic.
2
votes
1answer
1k views

Traffic not tunneling through NetworkManager VPN Client, but vpnc works fine

I'm trying to connect to a VPN using the NetworkManager Cisco VPN client, and everything seems to be going fine when connecting. I click connect, the NM icon on the top panel displays the connecting ...
12
votes
8answers
22k views

Monitoring inbound and outbound internet traffic

Is there software I can install to enable me to monitor inbound and outbound internet traffic for security reasons? I recently installed ubuntu and loving it because of speed and interface. I want to ...
6
votes
3answers
2k views

What's the simplest way to account traffic?

I use a 3G cellular Internet connection with a very strict traffic limit, but some times I go to office and use an unlimited and fast cable connection (and of course I do traffic-consuming operations, ...