Questions tagged [traffic]
QAs about traffic within the meaning of operating systems and computer science.
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Ubuntu iptables
How to accept traffic coming from server1 to server 2 and route to internet from server 2
Server 1 doesn't have internet connection it should get routed from server 2
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97
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How to send traffic from one ubuntu machine to another
I have two VPS from two different companies, they are both Ubuntu.
VPS-1 and VPS-2. And I have already set up a VPN server on the VPS-1. So that I can connect to the VPN from my phone.
What I want to ...
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1
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783
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putting `nload` output into a file
I want to generate a simple report of total network usage into a text file.(amount of total used traffic)
I searched a bit and I found nload software, but when I write this command in the terminal:
...
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1
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396
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How to setup Linux machine to act as a Router
How to setup Linux machine to act as a Router which is responsible for distributing internet traffic to other devices connected to switch. I want to use this scenario in order to assign Ip-based ...
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netem how to do delay for 2-3seconds of all packets for 50-300ms once in 3-10 minutes
I'm using netem to do traffic delays. For my testing it is required to perform slightly odd delays. I need introduce a delay 50-300ms to all packets TCP/UDP for 2-3 seconds once in 3-10 minutes. I.e. ...
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41
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ID process making HTTP request
My firewall is detecting my ubuntu server calling a URL on port 80 sporadically. I'd like to ID the process making the callout, but the connection is always gone by the time I can run a netstat.
A lot ...
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1
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844
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VPN Killswitch is blocking my internet (UBUNTU 20.04)
I uninstalled a VPN while my network was connected to it. But because of its Killswitch I can't connect to the internet.
I deleted the saved vpn Killswitch network located in Network manager/system ...
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110
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Zero Traffic on while running pipeline application in dpdk
I have two Virtual Machines. Both of them have their port bridged. On one VM I run Pktgen DPDK to generate traffic. On the other VM my goal is to run DPDK's pipeline application. Now When I run ...
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120
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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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1
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495
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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
I am 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 dumped" message.
I only ...
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2k
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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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1
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2k
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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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422
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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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1k
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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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59
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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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180
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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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971
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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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1
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664
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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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2k
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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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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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73
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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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448
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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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1k
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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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11k
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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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581
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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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1
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53
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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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416
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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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140
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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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1k
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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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3
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2k
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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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2
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2k
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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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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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9k
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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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856
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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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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 ...
user369713
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910
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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 ...
user369713
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820
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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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4
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10k
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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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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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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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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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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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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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6k
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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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698
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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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993
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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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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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1k
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block all Torrent traffic via dansguardian
i was wondering how to block all Torrent traffic via dansguardian
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28k
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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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