Maybe a security problem involving Linux hosts Post: 302980298

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Special Forums Cybersecurity Maybe a security problem involving Linux hosts Post 302980298 by Neo on Friday 26th of August 2016 01:11:03 AM

08-26-2016

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Quote:

Originally Posted by SInt

.... I hope none of you guys reacts now how most people reacted: "this guy is crazy, give him more meds" or something. I know it sounds crazy and it is crazy. But lets say my observations are correct where could the entry point be for an attacker?

Risk is based on many factors, which include:

Threat
Vulnerability
Criticality

If I read your post correctly, it sounds like you feel like there is a threat based on your interaction with some groups on the net and your systems are vulnerable. So, the main question which remains is how critical is the Linux computer system you are worried about?

If the system is really important and a breach would amount to serious loss, then you should really consider getting a professional to help you.

If the system has nothing important running on it; then you could just rebuild it from a scratch if you are worried.

If the system has backups, you could recover the system from a backup that was from a time prior to the hacking incident being discovered.

There are lots of options and the way you move forward depending on the risk profile of the system and that depends on the intersection of the three areas I mentioned above (1) threat, (2) vulnerability and (3) criticality.

Last edited by rbatte1; 08-26-2016 at 04:28 AM.. Reason: Converted text based numbered list for formatted numbered list

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LEARN ABOUT DEBIAN

rplay

RPLAY(1)						      General Commands Manual							  RPLAY(1)

NAME

       rplay - play, pause, continue, and stop sounds

SYNOPSIS

       rplay [options] [sound ...]

DESCRIPTION

       rplay  is  client  that	communicates with rplayd to play, pause, continue, and stop sounds using both the RPLAY and RPTP protocols.  Sound
       files can be played by rplayd directly if available on the local system or sounds can be sent over the network using UDP or TCP/IP.   rplay
       will attempt to determine whether or not the server has the sound before using the network.

OPTIONS

       -b BYTES, --buffer-size=BYTES
	      Use of a buffer size of BYTES when playing sounds using RPTP flows.  The default is 8K.

       -c, --continue
	      Continue sounds.

       -n N, --count=N
	      Number of times to play the sound, default = 1.

       -N N, --list-count=N
	      Number of times to play all the sounds, default = 1.

       --list-name=NAME
	      Name this list NAME.  rplayd appends sounds with the same NAME into the same sound list -- it plays them sequentially.

       --help Display helpful information.

       -h HOST, --host=HOST, --hosts=HOST
	      Specify the rplay host, default = localhost.

       -i INFO, --info=INFO
	      Audio  information  for a sound file.  This option is intended to be used when sounds are read from standard input.  INFO must be of
	      the form:
		  `format,sample-rate,bits,channels,byte-order,offset' Examples: ulaw,8000,8,1,big-endian,0
			gsm,8000 Shorthand info is provided for  Sun's	audio  devices	using  the  following  options:  --info-amd,  --info-dbri,
	      --info-cs4231.  There's also: --info-ulaw and --info-gsm.

       -p, --pause
	      Pause sounds.

       --port=PORT
	      Use PORT instead of the default RPLAY/UDP or RPTP/TCP port.

       -P N, --priority=N
	      Play sounds at priority N (0 <= N <= 255), default = 0.

       -r, --random
	      Randomly choose one of the given sounds.

       --reset
	      Tell the server to reset itself.

       --rplay, --RPLAY
	      Force  the use of the RPLAY protocol.  The default protocol to be used is determined by checking whether or not the server has local
	      access to the specified sounds.  RPLAY is used when sounds are accessible, otherwise RPTP and possibly flows are used.   RPLAY  will
	      also be used when sound accessibility cannot be determined.

       --rptp, --RPTP
	      Force the use of the RPTP protocol.  See `--rplay' for more information about protocols.

       -R N, --sample-rate=N
	      Play sounds at sample rate N, default = 0.

       -s, --stop
	      Stop sounds.

       --version
	      Print the rplay version and exit.

       -v N, --volume=N
	      Play sounds at volume N (0 <= N <= 255), default = 127.

SEE ALSO

       rplayd(8), rptp(1)

								      6/29/98								  RPLAY(1)