Prathap,
I have been fooling around with the iptables on my Slackware Linux box,
and when I set it to DENY inbound and forward traffic, and ACCEPT all
outbound traffic, I could not portscan my computer. There are some
issues with this, though. ping does not work, so you would have to
explicitl
oneyd/
There are kernel options (TCP_DROP_SYNFIN) you can set to blackhole OS
guessing. Check the honeypot archive for specifics.
-Ethan
-Original Message-
From: Prathap R [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 07, 2003 6:44 AM
To: [EMAIL PROTECTED]
Subject: nmap os detection!
>i want to know if there is a way of
>making the OS undetectable. it will
>be of great help if anyone could
>point out how do it?. i am using
>both windows and linux.
There are some suggestions in "Hacking Linux Exposed". One is put a dedicated firewall
or linksys router between your machine
There have been numerous kernel patches that prevent stealth, fin and rst
scans for Linux and BSD. I'm not sure as to updates, but you can the old
sources for linux kernel 2.4.16 and BSD 4.4 in the downloads section of
www.badc0ded.com.
Applying this code to the latest kernel builds should not
riday, February 07, 2003 6:44 AM
To: [EMAIL PROTECTED]
Subject: nmap os detection!
hello all,
i just used nmap to detect the os on the network. out of
curiosity,i want to know if there is a way of making the OS undetectable. it
will be of great help if anyone could point out how do it?. i am
On Fri, Feb 07, 2003 at 08:13:43PM +0530, Prathap R wrote:
> i just used nmap to detect the os on the network. out of
>curiosity,i want to know if there is a way of making the OS
>undetectable. it will be of great help if anyone could point out how
>do it?. i am using both windows and linu
hello all,
i just used nmap to detect the os on the network. out of curiosity,i want to
know if there is a way of making the OS undetectable. it will be of great help if
anyone could point out how do it?. i am using both windows and linux.
thanks in advance.
regards,
Prathap
Ge
