07-30-2008
Are the messages generated on one host and sent across the network to a logging host? If so, you are experiencing the poor syslog design. Syslog entries are sent across the network via UDP and UDP does not guarantee reliable delivery. Some other services like NFS also use UDP but have application level recovery for dropped UDP datagrams. But syslog just lets them get lost. This would tend to happen when the network is busy.
If the messages are generated and logged on the same host, then they should not get lost.
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LEARN ABOUT PLAN9
warn.conf
warn.conf(4) File Formats warn.conf(4)
NAME
warn.conf - Kerberos warning configuration file
SYNOPSIS
/etc/krb5/warn.conf
DESCRIPTION
The warn.conf file contains configuration information specifying how users will be warned by the ktkt_warnd daemon about ticket expiration
on a Kerberos client. Credential expiration warnings are sent, by means of syslog, to auth.notice. All other warning messages are sent to
daemon.notice.
Each Kerberos client host must have a warn.conf file in order for users on that host to get Kerberos warnings from the client. Entries in
the warn.conf file must have the following format:
principal syslog | terminal | mail time [email_address]
principal Specifies the principal name to be warned. The asterisk (*) wildcard can be used to specify groups of principals.
syslog Sends the warnings to the system's syslog. Depending on the /etc/syslog.conf file, syslog entries are written to the
/var/adm/messages file and/or displayed on the terminal.
terminal Sends the warnings to display on the terminal.
mail Sends the warnings as email to the address specified by email_address.
time Specifies how much time before the TGT expires when a warning should be sent. The default time value is seconds, but you
can specify h (hours) and m (minutes) after the number to specify other time values.
email_address Specifies the email address at which to send the warnings. This field must be specified only with the mail field.
EXAMPLES
Example 1: Specifying warnings
The following warn.conf entry
* syslog 5m
specifies that warnings will be sent to the syslog five minutes before the expiration of the TGT for all principals. The form of the mes-
sage is:
jdb@ACME.COM: your kerberos credentials expire in 5 minutes
FILES
/usr/lib/krb5/ktkt_warnd Kerberos warning daemon
SEE ALSO
ktkt_warnd(1M), syslog.conf(4), SEAM(5)
SunOS 5.10 22 Apr 2003 warn.conf(4)