This email is more for the lists archive than anything. I just like to
leave good documentation behind.
The symptom was that I could not do local scans on the target Linux
System.
My log files (/var/log/secure) were showing:
Did not receive identification string from [NessusServerIP]
When I used an ssh password (not recomended, but I tried it anyway), my
/var/log/secure actually said:
Did not receive identification string from [NessusServerIP]
Accepted password for nessus from [NessusServerIP]
But both my Nessus reports were saying:
"It was not possible to log into the remote host. Nessus report the
following error:
[public key authentication failed | password authentication failed]"
The issue turned out to be a DNS one. Putting a DNS entry in the
/etc/hosts file on the target computer solved the issue.
I noticed the issue when I ran a ssh from the Linux box itself and it
took a number of seconds to connect
ssh [EMAIL PROTECTED]
In my test environment, there were no active DNS servers, so my clients
were unable to properly resolve DNS.
Environment:
I was using MS Virtual PC, and both my Linux boxes were "virtual"
I was scanning Fedora Core 1
Nessus was being hosted on a Fedora Core 5 server
I used both the WinXP Nessus client, and the Linux Nessus client.
Neither worked until I put the /etc/hosts entry in, and then both of
them worked.
Thanks all you who helped me track this one down.
- Tim
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