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Full Discussion: Security vulnerability on my sun solaris 9 box
Operating Systems Solaris Security vulnerability on my sun solaris 9 box Post 302074724 by BG_JrAdmin on Thursday 25th of May 2006 11:03:54 AM
Old 05-25-2006
Security vulnerability on my sun solaris 9 box
We are running security scans on our machines.
I am concerned with my solaris 9 box running on a 280r. got the following message.

The remote host accepts loose source routed IP packets.
The feature was designed for testing purpose.
An attacker may use it to circumvent poorly designed IP filtering
and exploit another flaw. However, it is not dangerous by itself
Solution : drop source routed packets on this host or on other ingress
routers or firewalls.

From what I've known inthe past, to remediate this issue, I have changed a few things in the nddconfig script.

I have the setting: IP_FORWARD_SRC_ROUTED=0

I believe it was set to 1 by default.
I thought this setting was to not let this system act as a router.

Questions:

Do you think I am doing something wrong in my configuration?
Is there any way to show what the live system has for IP_FORWARD_SRC_ROUTED? I know what the nddscript says, but i want to make sure it is taking effect..

Thanks in advance if anyone can help.
 

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LEARN ABOUT SUSE

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)
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