diff options
Diffstat (limited to 'libexec/rlogind/rlogind.8')
-rw-r--r-- | libexec/rlogind/rlogind.8 | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/libexec/rlogind/rlogind.8 b/libexec/rlogind/rlogind.8 index 8a240e9..cd8d6fd 100644 --- a/libexec/rlogind/rlogind.8 +++ b/libexec/rlogind/rlogind.8 @@ -46,14 +46,16 @@ The .Nm utility is the server for the .Xr rlogin 1 -program. The server provides a remote login facility +program. +The server provides a remote login facility with authentication based on privileged port numbers from trusted hosts. .Pp Options supported by .Nm : .Bl -tag -width indent .It Fl D -Set TCP_NODELAY socket option. This improves responsiveness at the expense of +Set TCP_NODELAY socket option. +This improves responsiveness at the expense of some additional network traffic. .It Fl a Ask hostname for verification. @@ -75,7 +77,8 @@ Enable vacuous mode. Enable .Tn DES encryption for all data passed via the rlogin -session. This may impact response time +session. +This may impact response time and .Tn CPU utilization, but provides increased security. @@ -139,13 +142,15 @@ The parent of the login process manipulates the master side of the pseudo terminal, operating as an intermediary between the login process and the client instance of the .Xr rlogin 1 -program. In normal operation, the packet protocol described +program. +In normal operation, the packet protocol described in .Xr pty 4 is invoked to provide .Ql ^S/^Q type facilities and propagate -interrupt signals to the remote programs. The login process +interrupt signals to the remote programs. +The login process propagates the client terminal's baud rate and terminal type, as found in the environment variable, .Ev TERM ; @@ -190,7 +195,8 @@ by the server failed. .El .Sh BUGS The authentication procedure used here assumes the integrity -of each client machine and the connecting medium. This is +of each client machine and the connecting medium. +This is insecure, but is useful in an .Dq open environment. |