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when i check who using the server with command who it show :

USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
root     pts/0    182.253.177.249  19:33    0.00s  0.05s  0.00s w
root     pts/6    103.24.104.122:S 14:39    8.00s  0.03s  0.03s /bin/bash

the first one is my ip address, the second one is unknown with strange :S attached to it, can somebody explain to me what the meaning of it ? thanx

whale_steward
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1 Answers1

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I would have to guess that :S is a sticky IP.

It is a cross between dynamic IP and static IP, a sticky IP is assigned dynamically, but hangs onto your broadband modem as long as you don't have to reset it.

What most cable poviders will use is what is called A sticky dynamic IP address or sticky IP is an informal term used by cable and DSL Internet access subscribers to describe a dynamically assigned IP address that does not change often. The addresses are usually assigned with the DHCP protocol. Since the modems are usually powered-on for extended periods of time, the address leases are usually set to long periods and simply renewed upon expiration. If a modem is turned off and powered up again before the next expiration of the address lease, it will most likely receive the same IP address.DSLReports

Mitch
  • 109,787