Thanks for your help. As you suggested, I turned off the TCP Ping function and that fixed the problem.
Thanks again, Tom ----- Original Message ----- From: "Michel Arboi" <[EMAIL PROTECTED]> To: "Tom D'Aquino" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Saturday, November 01, 2003 8:52 AM Subject: Re: Strange scan results > "Tom D'Aquino" <[EMAIL PROTECTED]> writes: > > > I ran tcpdump during the scan and noticed that when Nessus > > scans this particular host, all of the traffic has a source port of 0 and > > very few ports are checked. > > This comes from ping_host.nasl. The nasl_tcp_ping function looks buggy :-\ > Renaud ? > > > I know for certain that the host is behind a PIX firewall along > > with the rest of the hosts on the network. SMTP may be > > the only service listening on this host. Can anybody give me some idea of > > why Nessus may not be able to see this host? > > Don't ping the host, or add port 25 in the list of TCP ports.
