On Thu, Mar 15, 2007 at 12:28:07PM +0000, replies-lists-a1z2-redhat@xxxxxxxxxxxxxxxxxxxxx wrote: > > Date: Thursday, March 15, 2007 11:24:13 AM +0000 > > From: Eur Ing Chris Green <cl@xxxxxxxx> > > To: fedora-list@xxxxxxxxxx > > Subject: rlogin sometimes hangs (from FC6 client) > > > > I have just moved to Fedora Core 6 on my desktop computer at work. We > > have a mixed environment of Windows PCs a few Linux ones and a number > > of Solaris target systems. > > > > When I rlogin from my new FC6 system to the Solaris systems the login > > sometimes just hangs, i.e. I type "rlogin crusade" and nothing happens > > for several minutes then I get a timeout message. > > > > This seems to happen only on the FC6 systems, I have tried it from one > > other FC6 system and it's the same but from a kubuntu installation (on > > the same sub-net) it doesn't happen. The rlogin hangs maybe one time > > in four or so, the other times it connects normally and works OK from > > then on. > > > > Does anyone have any ideas what might be causing this problem? > > this is generally a dns issue. > > the remote host tries to do a lookup of the inbound ipnumber. if there > isn't an in-addr.arpa entry for the ipnumber you'll get a delay (which > may be long enough for a timeout). additionally, if access control on > the remote system is by inbound hostname (which is determined by a > lookup against the inbound ipnumber), rather than ipnumber, a lookup > failure will result in your not getting access. > > note, this is the a dns lookup on the *ipnumber* of your fc6 system, > not a lookup by that machine's hostname. > Hmmm. This is all on a 10.x.x.x intranet at work. It uses NIS/YP for internal lookup and, as far as I can see, the systems in question all seem to be properly entered in the NIS database. -- Chris Green
