Net::SSH::Perl::Auth::Rhosts_RSA(3pm) - phpMan

Net::SSH::Perl::Auth::Rhosts_RSUsermContributed Perl DocumenNet::SSH::Perl::Auth::Rhosts_RSA(3pm)



NAME
       Net::SSH::Perl::Auth::Rhosts_RSA - Perform Rhosts-RSA authentication

SYNOPSIS
           use Net::SSH::Perl::Auth;
           my $auth = Net::SSH::Perl::Auth->new('Rhosts_RSA', $ssh);
           print "Valid auth" if $auth->authenticate;

DESCRIPTION
       Net::SSH::Perl::Auth::Rhosts_RSA performs Rhosts with RSA authentication with a remote
       sshd server. This is standard Rhosts authentication, plus a challenge-response phase where
       the server RSA-authenticates the client based on its host key. When you create a new
       Rhosts_RSA auth object, you give it an $ssh object, which should contain an open
       connection to an ssh daemon, as well as any data that the authentication module needs to
       proceed. In this case, the $ssh object must contain the name of the user trying to open
       the connection.

       Note that the sshd server will require two things from your client:

       1. Privileged Port
           sshd will require your client to be running on a privileged port (below 1024); this
           will, in turn, likely require your client to be running as root. If your client is not
           running on a privileged port, the Rhosts-RSA authentication request will be denied.

           If you're running as root, Net::SSH::Perl should automatically detect that and try to
           start up on a privileged port. If for some reason that isn't happening, take a look at
           the Net::SSH::Perl docs.

       2. Private Host Key
           In order to do RSA-authentication on your host key, your client must be able to read
           the host key. This will likely be impossible unless you're running as root, because
           the private host key file (/etc/ssh_host_key) is readable only by root.

       With that aside, to use Rhosts-RSA authentication the client sends a request to the server
       to authenticate it, including the name of the user trying to authenticate, as well as the
       public parts of the host key. The server first ensures that the host can be authenticated
       using standard Rhosts authentication (shosts.equiv, hosts.equiv, etc.).  If the client
       passes this test, the server sends an encrypted challenge to the client. The client must
       decrypt this challenge using its private host key, then respond to the server with its
       response.

       Once the response has been sent, the server responds with success or failure.

AUTHOR & COPYRIGHTS
       Please see the Net::SSH::Perl manpage for author, copyright, and license information.



perl v5.10.0                                2003-12-03      Net::SSH::Perl::Auth::Rhosts_RSA(3pm)

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