Our system was hacked Post: 303037153

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1. Linux

pc hacked

Hi, i think someone has hacked my server, the following rules used to come which i haven't put. Please help me i couldnt find out how this rules are apply, i think someone has put an script which generates enables the rules. But after restarting the iptables everything seems to be working...

2. Cybersecurity

How to know when you've been hacked

One of the most important ways to keep tou machine secure is to know when it has been broken into. The less time hackers have on your system, the less they can do to it, and the greater you chancens of kicking them off and repairing the damage. The more sophisticated the hacker, the less likely...

3. Cybersecurity

Server hacked on known port

Hi, There is a recent case whereby it was reported that one of the production servers was hacked on port 1521. However, I am not sure how this was possible, as I checked that the OS firewall (iptables) is on : # /etc/init.d/iptables status Table: nat Chain PREROUTING (policy ACCEPT) num ...

LEARN ABOUT DEBIAN

tardiff

TARDIFF(1)							   User Commands							TARDIFF(1)

NAME

       TarDiff - Compare two tarballs and report differences

DESCRIPTION

       TarDiff compares the contents of two tarballs and reports on any differences found between them. Its use is mainly for release managers who
       can use it as a QA tool to make sure no files have accidently been left over or were added by mistake.  TarDiff	supports  compressed  tar-
       balls, diff statistics and suppression of GNU autotool changes.

SYNOPSIS

       tardiff [options] file1.tar file2.tar[.gz/.bz2]

OPTIONS

       -m, --modified Report on all changed files, including those present in both tarballs
       -l, --list     List all files, even those not changed at all
       -a, --autoskip Skip files which belong to the GNU autotools (for --modified)
       -s, --stats    Run statistics (diffstat) on all modified files (for --modified)
       -v, --version  Display tardiff version
       -h, --help     Display this help screen

SEE ALSO

       tar(1), tardy(1)

AUTHOR

       TarDiff	was  written  by  Josef  Spillner  <josef@coolprojects.org>.  This  man page was written by Axel Beckert <abe@debian.org> based on
       help2man(1) output for the Debian Project, but may be used by others.

COPYRIGHT

       Copyright (C) 2005 Josef Spillner <josef@coolprojects.org>

       This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as  published	by
       the Free Software Foundation.

TarDiff 0.1							   December 2011							TARDIFF(1)