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Re: [NV-L] Pre-defined NetView ports on AIX 5.3

To: Tivoli NetView Discussions <nv-l@lists.ca.ibm.com>
Subject: Re: [NV-L] Pre-defined NetView ports on AIX 5.3
From: James Shanks <jshanks@us.ibm.com>
Date: Tue, 2 Jan 2007 17:50:36 -0500
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 I can assure you that NetView for UNIX did not ask AIX to add these
entries to /etc/services, so I cannot comment on why they are there.

But I also don't think they hurt anything.

The ports defined in /etc/services are well-defined; that is they are put
there by convention, but it is up to the application using them to decide
whether to read the port assignment from /etc/services or not.  The ones
that a NetView installation adds, it  reads, meaning that the user can
alter the port in /etc/services and we will use that one rather than the
usual one.  But other ports we let default to what is specified in the
internal code and don't publish them in /etc/services because we don't
allow the user to alter them.  Perhaps all that AIX sought to do with these
entries was to make explicit that NetView would be using ports in this
range, though I am not certain we in fact use all of them.  The reasons one
might have for making the assignments explicit, even though the application
did not read /etc/services to assign its ports,  might be (1) that you
would get advance notice of a possible conflict  between NetView and some
other application, or (2) that the ports would show up by name when you did
a netstat -a command.

NetView still adds its own entries to /etc/services and retrieves only
those by name.  It also deletes only those when the product is deleted.

James Shanks
Level 3 Support  for Tivoli NetView for UNIX and Windows
Network Availability Management
Network Management - Development
Tivoli Software, IBM Corp


                                                                           
             "Davis, Donald"                                               
             <donald.davis@fir                                             
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             01/02/2007 04:14          [NV-L] Pre-defined NetView ports on 
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Can anyone tell me what is the purpose of these entries in etc/services on
AIX5.3?

These are defined by default on AIX v5.3
netview-aix-1    1661/tcp               # netview-aix-1
netview-aix-1    1661/udp               # netview-aix-1
netview-aix-2    1662/tcp               # netview-aix-2
netview-aix-2    1662/udp               # netview-aix-2
netview-aix-3    1663/tcp               # netview-aix-3
netview-aix-3    1663/udp               # netview-aix-3
netview-aix-4    1664/tcp               # netview-aix-4
netview-aix-4    1664/udp               # netview-aix-4
netview-aix-5    1665/tcp               # netview-aix-5
netview-aix-5    1665/udp               # netview-aix-5
netview-aix-6    1666/tcp               # netview-aix-6
netview-aix-6    1666/udp               # netview-aix-6
netview-aix-7    1667/tcp               # netview-aix-7
netview-aix-7    1667/udp               # netview-aix-7
netview-aix-8    1668/tcp               # netview-aix-8
netview-aix-8    1668/udp               # netview-aix-8
netview-aix-9    1669/tcp               # netview-aix-9
netview-aix-9    1669/udp               # netview-aix-9
netview-aix-10  1670/tcp                # netview-aix-10
netview-aix-10  1670/udp                # netview-aix-10
netview-aix-11  1671/tcp                # netview-aix-11
netview-aix-11  1671/udp                # netview-aix-11
netview-aix-12  1672/tcp                # netview-aix-12
netview-aix-12  1672/udp                # netview-aix-12

AIX5.2 Without NetView installed has nothing defined for these ports

AIX5.2 with NetView with installed has these ports defined:
nvsecd         1663/tcp   # NetView Security daemon port
nvcorrd        1666/tcp   # NetView Correlation daemon port
actionsvr      1670/tcp   # NetView Correlation Action daemon port
nvcold         1664/tcp   # NetView Collection Facility port
nvsecltd       1667/tcp   # NetView Security client daemon
C5_server      1668/tcp   # NetView C5 Consolidated Console and Threshold
Mgmnt
nvlockd        1669/tcp   # NetView General Topology Manager lock daemon
nvpagerd       1671/tcp   # NetView Pager daemon
otmd           1672/tcp   # NetView Open Topology Stream port
This appears to be a conflict to me, or am I missing something?
Thanks,
Don Davis


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