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starts
a terminal session on a remote host first attempts to use the Kerberos
authorization mechanism, described below. If the remote host does not supporting
Kerberos the standard Berkeley authorization mechanism is used. The options
are as follows: The option allows an eight-bit input data path at all
times; otherwise parity bits are stripped except when the remote side’s
stop and start characters are other than ^S/^Q . The option stops any character
from being recognized as an escape character. When used with the option,
this provides a completely transparent connection. The option turns off
all Kerberos authentication. The option allows the rlogin session to be
run in ‘‘litout’’ (see mode. The option turns on socket debugging (see on
the TCP sockets used for communication with the remote host. The option
allows user specification of the escape character, which is ‘‘~’’ by default.
This specification may be as a literal character, or as an octal value
in the form \nnn. The option requests rlogin to obtain tickets for the
remote host in realm instead of the remote host’s realm as determined by
The option turns on encryption for all data passed via the rlogin session.
This may impact response time and utilization, but provides increased
security. A line of the form ‘‘<escape char>.’’ disconnects from the remote host.
Similarly, the line ‘‘<escape char>^Z’’ will suspend the session, and ‘‘<escape
char><delayed-suspend char>’’ suspends the send portion of the rlogin, but allows
output from the remote system. By default, the tilde (‘‘~’’) character is the
escape character, and normally control-Y (‘‘^Y’’) is the delayed-suspend character.
All echoing takes place at the remote site, so that (except for delays)
the is transparent. Flow control via ^S/^Q and flushing of input and output
on interrupts are handled properly.
Each user may
have a private authorization list in the file in their home directory.
Each line in this file should contain a Kerberos principal name of the
form If the originating user is authenticated to one of the principals
named in access is granted to the account. The principal is granted access
if there is no file. Otherwise a login and password will be prompted for
on the remote machine as in To avoid certain security problems, the file
must be owned by the remote user. If Kerberos authentication fails, a warning
message is printed and the standard Berkeley is used instead.
The
following environment variable is utilized by Determines the user’s terminal
type.
The command appeared in
will be replaced
by in the near future. More of the environment should be propagated.
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