How to know when you've been hacked Post: 302235121

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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

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 ...

3. Cybersecurity

Our system was hacked

Someone made a mistake, and left our router wide open, pointing all ports to a SCO 6.0.0 system. Within 24 hours, the following happened. The contents of all the files (except tar files) in three directories, one directory on each of three different file systems, were replaced with nulls. None...

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install-solaris

install-solaris(1M)													       install-solaris(1M)

NAME

       install-solaris - install the Solaris operating system

SYNOPSIS

       install-solaris

       install-solaris	invokes  the  Solaris  Install	program. Depending on graphical capability and available memory at the time of invocation,
       install-solaris invokes either a text-based installer or a graphical installer.

       The following minimum requirements for physical memory dictate which features are available during installation:

       For SPARC machines:

       128 MB

	   Minimum physical memory for all installation types

       128 MB

	   Minimum physical memory required for windowing system

       384 MB

	   Minimum physical memory required for graphical-based installation

       For x86 machines:

       256 MB

	   Minimum physical memory for all installation types

       256 MB

	   Minimum physical memory required for windowing system

       512 MB

	   Minimum physical memory required for graphical-based installation

       In some cases, even if the minimum physical memory is present, available virtual memory after system startup can limit the number  of  fea-
       tures available.

       install-solaris	exists	only  on  the Solaris installation media (CD or DVD) and should be invoked only from there. Refer to the  for more
       details.

       install-solaris allows installation of the operating system onto any standalone system. install-solaris loads the software available on the
       installation media. Refer to the  for disk space requirements.

       Refer to the  for more information on the various menus and selections.

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcdrom  (Solaris instal-  |
       |			     |lation media)		   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+

       pkginfo(1), install(1M), pkgadd(1M), attributes(5)

       It is advisable to exit install-solaris by means of the exit options in the install-solaris menus.

								    23 Sep 2005 					       install-solaris(1M)