Date: Wed, 15 Nov 2000 20:34:41 +0100 (CET) From: "O. Hartmann" <ohartman@ipamzlx.physik.uni-mainz.de> To: freebsd-newbies@freebsd.org Cc: newbies@xfree86.org Subject: XDM broken in XFree 4.0.1!? Message-ID: <Pine.BSF.4.21.0011151957220.874-100000@ipamzlx.physik.uni-mainz.de>
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Hello. I posted several question in the past in both FreeBSD newsgroups and also in XFree newsgroup. I have many tr trouble with XFree86 4.0.1_8 (as offered in FreeBSD ports today). The problem regards to XDM, the display manager. XDM seems to be not willing to forward XDMCP queries in version 4.0.1. I tested this with a diskless X terminal, which is set up from FreeBSD 4.2 which boots FreeBSD and starts XFree86 as its X server with an indirect query to a host running XDM only and offering several hosts within our LAN. I use two of those hosts, each setup similar but for testing purposes they run sometimes with different configurations. XFree86 4.0.1 was either compiled with XDM-AUTHENTICATION-1 ON, SecureRPC ON and PAM ON or with all three facilities off. I did several permutations with the ON/OFF options of these parts, in all cases with no success. The problem is: I can see all the hosts I want to be offered by the chooser on both XDM servers in the chooser, but I can not select one and connect to the specified host! This fails to EACH HOST running 4.0.1! I have two Linux systems running in my network (I do not know much about Linux, but configuring X11 is the same task apart from slight differences in location of the main distribution and starting XDM and X server). Linux bahves the same way like FreeBSD! Nor the host itself running the chooser can be choosen from any host, nor is any host offered by the chooser of the linux XDM server choosable. XFree 4.0.1 interacts the same way when it is acting to the same 4.0.1 version running X host/server! And I think I can surely exclude any kind of filtering problems, because I switched off any kind of filtering and other special authetication specialities both on Linux and FreeBSD. And now the curiosity: I have a third FreeBSD server, running FreeBSD 4.2 also like the two others, but due to an older graphics adaptor I must install XFree86 3.3.6 on this machine. Well, I set up the same environment of hosts and a chooser/XDM server for my LAN and tried to obtain a chooser from this 3.3.6-typed host from the same X terminal with could not gain access to any offered host. And now, using 3.3.6, it works! I tested then whether to gain access to any refused host by this X terminal and I really got access to each host by doing a direct query. I checked again Xaccess, but it was senseless because the same configuration works under XFree 86 3.3.6. On the other hand: XFree86 3.3.6 alos offers SecureRPC, PAM and XDM-AUTHENTICATION-1 support and this to me having no effect. Well, now I wish to know whether this is a well known bug in XFree 4 or has the protocol been changed? I seems to me like forwarding does not work, neither on Linux, nor on FreeBSD based XFree86 4.0.1 systems offering XDM/chooser. Is anybody out here who's already setup a configuration like mine? Server is FreeBSD 4.2, XFree86 4.0.1_8 (FBSD ports) and Client is the same. X server is started permanently on the client by X :0 -indrect destination_host using ttyv0 as its bounding tty. On Linux the situation is similar, Linux Kernel 2.2.14, XFree 4.0.1. If the X server interacts with an XFree86 4.0.1 XDM host, I can see all offered hosts, but I can not chooser on: after choosing a host, it seems that a connecting attempt has been commited but without success, chooser resets (screen is flashing, think its reseting) and offers a new host list by pinging again each host. I use either the standard configuration or a specialized one with no authetication schemes or similar difficulties. Well, each help is appreciated, please email me if there are solutions for this problem or if anybody has the same problem. I twould be nice to hear from you if you sucessfully set up the same configuration I use and how you did, thanks in advance, Oliver - MfG O. Hartmann ------------------------------------------------------------------- ohartman@ipamzlx.physik.uni-mainz.de Klimadatenserver-Abteilung des IPA IT Netz- und Systembetreuung Johannes Gutenberg-Universitaet Mainz Becherweg 21 D-55099 Mainz BRD/Germany Tel: +496131/3924662 FAX: +496131/3923532 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-newbies" in the body of the message
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