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

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12
votes
8answers
25k 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 ...
4
votes
4answers
523 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
844 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 ...
4
votes
1answer
2k 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) ...