Today I noticed an unusual activity on my server, a high number in Public Outbound.
I have goaccess, but Apache did not show any abnormal download.
How do I track the cause of this problem?
Interval 24 Hours
Interval 30 Days
I'm an nginx user, but my first question is are you throttling the web server? Otherwise, yeah you can serve a high bandwidth. Thank Digital Ocean. ;-) Running speedtest-cli:
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by Unwired (San Francisco, CA) [5.79 km]: 3.089 ms
Testing download speed................................................................................
Download: 907.93 Mbit/s
Testing upload speed................................................................................................
Upload: 834.10 Mbit/s
That is a bit unrealistic. I picked some podunk server to test:
Retrieving speedtest.net server list...
Retrieving information for the selected server...
Hosted by Southwest Arkansas Telephone Coop (Texarkana, AR) [2598.65 km]: 99.602 ms
Testing download speed................................................................................
Download: 230.59 Mbit/s
Testing upload speed................................................................................................
Upload: 113.17 Mbit/s
You serve at the upload speed. Still you handle 5 of those hogs.