Re: [Linux-decnet-user] dnping, socket: Connection refused

[Pavel P. <Pa...@se...>]

<  ------------ Původní zpráva ------------
<  Od: Christine Caulfield <chr...@go...>
<  Předmět: Re: [Linux-decnet-user] dnping, socket: Connection refused
<  Datum: 11.7.2008 15:15:44
<  ----------------------------------------
<  Pavel Pokorný wrote:
<  > <  ------------ Původní zpráva ------------
<  > <  Od: Christine Caulfield <chr...@go...>
<  > <  Předmět: Re: [Linux-decnet-user] dnping, socket: Connection refused
<  > <  Datum: 11.7.2008 14:18:36
<  > <  ----------------------------------------
<  > <  Pavel Pokorný wrote:
<  > <  > Hi all,
<  > <  > <  >    could anybody help me with following issue? We have CentOS 
<  > 5.0 server with
<  > <  DECnet support (kernel-2.6.18-53.1.14.el5.decnet.i686.rpm) and dnprogs
<  > <  (dnprogs-2.38-1.i386.rpm) installed. On the network is Cisco router 
<  > that works
<  > <  like DECnet router. When I try to ping this router via dnping I receive
<  > <  following response "socket: Connection refused". I sniffered network
<  > <  communication and investigated that the CentOS server sent "connect
<  > <  confirm/initiate message" to the router but the router responded with
<  > <  "disconnect initiate/confirm message" with reason: "The destination 
<  > end user
<  > <  does not exist". Does anybody know what is wrong? This communication 
<  > was working
<  > <  but unreasonably stopped.
<  > <  > <  <  <  That message means that the remote end  isn't running a 
<  > MIRROR object. <  dnping isn't a ping in the same low-level sense that 
<  > an IP ping is. It <  needs a listening process at the other end to 
<  > respond to it.
<  > <  <  -- <  <  Chrissie
<  > <  <  < 
<  > Chrissie, thank you for quick answer.
<  > But interresting for me is following. When I pinged my CentOS from 
<  > router and sniffered the communication the communication was different. 
<  > There was not "connect confirm/initiate message" but just "Link service 
<  > message". In this case there is not authorization, isn't it?
<  > 
<  
<  Probably yes. Without seeing the trace and/or the error message that 
<  sounds likely. A proper installation of DECnet on Linux DOES install a 
<  mirror object (as part of dnetd).
<  
<  
<  -- 
<  
<  Chrissie
<  
<  
<  


And do you know if is it possible to turn off this authentication part of DECnet communication (dnping) on CentOS? I mean that CentOS send only "Link service message" without "connect confirm/initiate message". So the CentOS ping will be like router ping.

Thanks.

Pavel