On Tue, Feb 11, 2003 at 01:55:59PM -0500, Kristofer T. Karas wrote:
> On Tue, 2003-02-11 at 11:37, Javier Fernandez-Sanguino wrote:
> > Kristopher Karas commented a while back on the list that Novell servers
> > running FlexIP might have issues when scanned by Nessus.
>
> Heh, OK, trying to be a bit more serious now... The SYN scan from NMAP
> is the culprit. Certain TCP/IP implementations don't know what to do
> with one, including older JetDirect and Novell FlexIP. And of course,
> NMAP is enabled by default regardless of whether you have "safe checks"
> enabled or not.
The SYN scan is considered as being harmless, and I'm not sure changing
the default scanner to tcp connect() would really be any wiser (tcp
connect() disrupts more things, maybe more viciously [services crashes,
not the host]).
-- Renaud