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1.1 ! root 1: .TH VTD 8C "21 Nov 1988" ! 2: .\" $Header: /f/osi/vt/RCS/vtd.8c,v 7.0 89/11/23 22:31:54 mrose Rel $ ! 3: .\" ! 4: .\" ! 5: .\" $Log: vtd.8c,v $ ! 6: .\" Revision 7.0 89/11/23 22:31:54 mrose ! 7: .\" Release 6.0 ! 8: .\" ! 9: .SH NAME ! 10: iso.vt \- VT remote login responder ! 11: .SH SYNOPSIS ! 12: .in +.5i ! 13: .ti -.5i ! 14: .B \*(SDiso.vt ! 15: \%[-d 0-7] ! 16: \%[-F logfile] ! 17: \fImagic\0arguments\fR ! 18: .in -.5i ! 19: (under \fI\*(SDtsapd\fR\0) ! 20: .SH DESCRIPTION ! 21: The \fIvtd\fR server implements the responder side of ! 22: a remote login service based on the ISO Virtual Terminal (VT) ! 23: standard and the VT TELNET profile from the NIST OSI Workshop ! 24: Implementor's Agreements. ! 25: .SH OPTIONS ! 26: .TP ! 27: .B -d 0-7 ! 28: Set the level of debug output from 0, meaning none, to 7, which is ! 29: the most verbose. ! 30: .TP ! 31: .B -F logfile ! 32: Sets the VT logfile. ! 33: Note that the pathname of this file is interpreted relatively to the ! 34: ISODE logging area. ! 35: To have tracing information written to a file in the current ! 36: directory, ! 37: start the filename with \*(lq./\*(rq. ! 38: .SH FILES ! 39: .nf ! 40: .ta \w'\*(LDvt.log 'u ! 41: \*(EDisoentities ISODE application entity title database ! 42: \*(LDvt.log logfile ! 43: .fi ! 44: .SH "SEE ALSO" ! 45: vt(1c), ! 46: .br ! 47: \fIThe ISO Development Environment: User's Manual\fR, ! 48: .br ! 49: ISO DIS 9040, 9041: ! 50: \fIInformation Processing Systems \-\- ! 51: Virtual Terminal Service and Protocol\fR ! 52: .br ! 53: Implementation Agreements for Open Systems Interconnection Protocols ! 54: .SH AUTHORS ! 55: Rick Wilder and Don Chirieleison, ! 56: The MITRE Corporation. ! 57: .br ! 58: Parts of this program are based on the \fItelnet\fR(1c) program supplied with ! 59: Berkeley UNIX. ! 60: .SH BUGS ! 61: \fIvt\fR and \fIvtd\fR need to be brought up to date with BSD 4.3(4?) ! 62: TELNET. ! 63: .PP ! 64: The encodings of the VT PDUs may need to be updated when ! 65: the International Standard version of ISO 9041 is available. ! 66: .PP ! 67: When an association is established, ! 68: a possible bug in the PTY driver on systems derived from Berkeley UNIX ! 69: may cause the \*(lqlogin:\*(rq prompt to be lost. ! 70: The \fIlogin\fR program is still running, ! 71: the user need only type-in the username or hit RETURN for another prompt. ! 72: .PP ! 73: Due to a possible bug in the PTY driver on systems derived from Berkeley UNIX, ! 74: it is important that the responder always run detached from a ! 75: controlling terminal. ! 76: Since the repsonder is invoked from \fItsapd\fR\0(8c), ! 77: this requirement is passed on to the \fItsapd\fR program. ! 78: Thus, ! 79: when running the VT responder, ! 80: it is \fBcritical\fR that \fItsapd\fR be started under ! 81: \fI/etc/rc.local\fR or in \*(lqbackground\*(rq mode, e.g., ! 82: .sp ! 83: .in +.5i ! 84: .nf ! 85: # \*(SDtsapd >& /dev/null ! 86: .fi ! 87: .in -.5i ! 88: .sp ! 89: which will cause the daemon to automatically detach.
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