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Troubleshooting
Troubleshooting Kerberos
Chapter 11294
Troubleshooting Kerberos
When troubleshooting problems with Kerberos, you need a reference
point from which to work. For example, is the problem on the remote
system or on the local system? However, the terms “local” and “remote”
are limited in their description of complex communications, such as
when a local system logs on to a remote system and then the remote
system logs back onto the local system. At that point, which is the local
system and which is the remote system?
A better solution is to use the terms “client” and “server”. The term
“client” refers to a process that requests a service from another process.
The term “server” refers to a process or a host that performs operations
requested by local or remote hosts that are running client processes.
A typical network service consists of two co-operating programs. The
client program runs on the requesting system. The server program runs
on the system with which you want your system to communicate. The
client program initiates requests to communicate. The server program
accepts requests for communication. For example, the network service
rlogin is a client program that requests a log on to a remote HP-UX or
UNIX system. When inetd receives the request to log on to the remote
host, inetd invokes the server program for rlogin (called rlogind) to
handle the service request.
Error Messages
The client or server can generate the error messages generated by a
service as seen on the client. Error messages from the client occur before
a connection is completely established. Error messages from the server
occur after a connection is completely established.
Logging Capabilities
The security server handles the system logging differently.