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NAME
    sserver - sample Kerberos version 5 server

SYNOPSIS
    sserver [-p port ] [-S keytab ] [server_port]

DESCRIPTION

    sserver and sclient are a simple demonstration
    client/server application.  When sclient connects to
    sserver, it performs a Kerberos authentication, and then
    sserver returns to sclient the Kerberos
    principal which was used for the Kerberos authentication.  It makes a
    good test that Kerberos has been successfully installed on a machine.

    The service name used by sserver and sclient is
    sample.  Hence, sserver will require that there be a keytab
    entry for the service "sample/hostname.domain.name@REALM.NAME".
    This keytab is generated using the kadmin program.  The keytab
    file is usually installed as "krb$root:[krb5kdc]krb5.keytab".

    The -S option allows for a different keytab than the default.

    sserver is normally invoked out of inetd
    using a line in /etc/inetd.conf that looks like this:

        sample  stream  tcp     nowait  root /usr/local/sbin/sserver	sserver

    Since sample is normally not a port defined in /etc/services, you will
    usually have to add a line to /etc/services which looks like this:

        sample          13135/tcp

    When using sclient, you will first have to have an entry in the Kerberos
    database, by using kadmin, and then you have to get Kerberos tickets, 
    by using kinit.

    Also, if you are running the sclient
    program on a different host than the sserver it will be
    connecting to, be sure that both hosts have an entry in 
    /etc/services for the sample tcp port, and that the same 
    port number is in both files.

    When you run sclient you should see something like this:
        sendauth succeeded, reply is:
           reply len 32, contents:
        You are nlgilman@JIMI.MIT.EDU

COMMON ERROR MESSAGES (For UNIX systems)

NOTE:  The VMS version of this sample does not run out of a tcpip service entry.
       It is simply run as a server and client with the port numbers sepcified
       by each.

1) kinit returns the error:
    kinit: Client not found in Kerberos database while getting initial credentials

    This means that you didn't create an entry for your username in the
    Kerberos database.

2)  sclient returns the error:
    unknown service sample/tcp; check /etc/services

    This means that you don't have an entry in /etc/services for the
    sample tcp port.

3)  sclient returns the error:
    connect: Connection refused

    This probably means you didn't edit /etc/inetd.conf correctly, or you
    didn't restart inetd after editing inetd.conf.

4)  sclient returns the error:
    sclient: Server not found in Kerberos database while using sendauth

    This means that the "sample/hostname@LOCAL.REALM" service was not
    defined in the Kerberos database; it should be created using kadmin,
    and a keytab file needs to be generated to make the key for that service
    principal available for ssclient.

5)  sclient returns the error:
    sendauth rejected, error reply is:
        " No such file or directory"

    This probably means sserver couldn't find the keytab file.  It was
    probably not installed in the proper directory.