Remote access

nntn

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Is it possible for others to remote access into my system? How do I know if someone is doing the remote access to my system? Is there something that blocks this remote access? (Linux Mint 20.2)
 


KGIII

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Is it possible for others to remote access into my system?

Pretty much only if you configured it to do so. (Including forwarding the port on your router, in most cases.)

How do I know if someone is doing the remote access to my system?

You can check for strange behavior that's only explained by a remote actor, and do things like check the users logged into the system.

Is there something that blocks this remote access? (Linux Mint 20.2)

Yes, just don't configure it unless you need it. If you do need it, make sure to secure it. Don't enable it unless you know how to secure it.
 

KGIII

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It'd be much faster asking your search engine that question - but 'w' or 'who' will list users logged into the system.
 

f33dm3bits

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Make sure you have firewall running which most Linux distributions have out of the box. Also keep your system updated by running updates on a regular basis because there will be times when there are remote execution vulnerabilities but those usually get patched quite fast because of having a high risk status.
 

Terminal Velocity

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Code:
~$ w
 21:58:05 up  8:10,  2 users,  load average: 2,61, 2,81, 2,86
USER     TTY      FROM             [email protected]   IDLE   JCPU   PCPU WHAT
me      tty7     :0               13:48    8:10m 20:12   1.13s x-session-manag
me      pts/0    :0               21:57    2.00s  0.01s  0.01s w
it's me 2 times but im home alone...
 

dcbrown73

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Code:
~$ w
21:58:05 up  8:10,  2 users,  load average: 2,61, 2,81, 2,86
USER     TTY      FROM             [email protected]   IDLE   JCPU   PCPU WHAT
me      tty7     :0               13:48    8:10m 20:12   1.13s x-session-manag
me      pts/0    :0               21:57    2.00s  0.01s  0.01s w
it's me 2 times but im home alone...
This.
 

KGIII

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Code:
~$ w
21:58:05 up  8:10,  2 users,  load average: 2,61, 2,81, 2,86
USER     TTY      FROM             [email protected]   IDLE   JCPU   PCPU WHAT
me      tty7     :0               13:48    8:10m 20:12   1.13s x-session-manag
me      pts/0    :0               21:57    2.00s  0.01s  0.01s w
it's me 2 times but im home alone...

Yeah, that's correct. Those are the sessions you're logged into.

Code:
who
kgiii    tty7         2021-10-10 10:23 (:0)
kgiii    tty3         2021-10-18 17:19
 
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