Re: cannot connect to server

On Fri, Oct 28, 2005 at 01:53:43PM -0600, Anna Zapata wrote:

> Nessus Console [Version 1.4.5] Ready
> SSL library initialized
> Connecting to server 172.16.5.15 (port 1241) using TLSv1 encrypted 
> connection...
> ERROR: Cannot establish connection with 172.16.5.15 (Socket error 1813)
>
> Nessus is running on Red Hat 9.0.  I've tried a reboot.  I've tried nessusd 
> -D and all it does is load the plugins.
>
> It was running fine a few weeks ago, but no longer.  I try to connect via the 
> NessusWX client as well as on the server.  No go.

I don't know what error 1813 means in the Winsock API, but here are some
questions that might help pinpoint the source of your particular problem:

  - Is nessusd still running?

  - Is nessusd listening on port 1241 on an interface reachable
    via client? That is, are you running it as something like
    "nessusd -a 127.0.0.1"?

  - Is either tcp_wrappers or a firewall blocking access to
    nessusd?

  - Is nessusd configured to use TLS? In other words, is
    there a line in nessusd.conf that says something like
    "ssl_version = NONE"?

  - Can you connect successfully using NessusWX on a
    different machine? What about using a different
    client entirely such as the unix client on the same
    host as nessusd itself?

  - Are there any interesting errors logged in either the
    system's messages or nessusd.messages log files?

George
-- 
theall@tenablesecurity.com
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