Re: Basic Samba Question from Newbie
- From: jayjwa <jayjwa@xxxxxxxxxxxxxxxxxxx>
- Date: Wed, 30 Apr 2008 11:28:03 -0400
It looks like the IP is being taken for an actual hostname. Then it
can't work with that, and takes the "name" up to the first dot, which
would be the host part of the FQDN (thinking host 192 in the
168.whatever domain) Windows machines, by and large, don't know their
own names because they usually aren't setup right for networking. I
think the lmhosts file controls some/all of this, but it's been a long
time since I had to configure Windows. I know Samba, with lmhosts
entires, doesn't do it:
[ jayjwa@vdrl:~>] smbclient -A ~/.smbauth -L //atr2
Domain=[ATR2NET] OS=[Unix] Server=[Samba 3.0.27]
Sharename Type Comment
--------- ---- -------
cifs Disk CIFS/SMB global public root
share Disk Incoming/uploadable storage space
IPC$ IPC IPC Service ([ATr2 RG 2008/04/30 11:15:33] atr2 SMB/CIFS 3.0.27.)
jayjwa Disk Home Directories
Domain=[ATR2NET] OS=[Unix] Server=[Samba 3.0.27]
Server Comment
--------- -------
ATR2 [ATr2 RG 2008/04/30 11:04:32] atr2 SMB/CIFS 3.0.
VDRL [ATr2 RG 2008/04/25 12:34:16] vdrl SMB/CIFS 3.0.
Workgroup Master
--------- -------
ATR2NET VDRL
[ jayjwa@vdrl:~>] smbclient -A ~/.smbauth -L //192.168.10.75
Domain=[ATR2NET] OS=[Unix] Server=[Samba 3.0.27]
Sharename Type Comment
--------- ---- -------
cifs Disk CIFS/SMB global public root
share Disk Incoming/uploadable storage space
IPC$ IPC IPC Service ([ATr2 RG 2008/04/30 11:15:57] atr2 SMB/CIFS 3.0.27.)
jayjwa Disk Home Directories
Domain=[ATR2NET] OS=[Unix] Server=[Samba 3.0.27]
Server Comment
--------- -------
ATR2 [ATr2 RG 2008/04/30 11:04:32] atr2 SMB/CIFS 3.0.
VDRL [ATr2 RG 2008/04/25 12:34:16] vdrl SMB/CIFS 3.0.
Workgroup Master
--------- -------
ATR2NET VDRL
It finds what to do with the address. My lmhosts file is from an old
Windows install.
cat /etc/samba/lmhosts
# Copyright (c) 1993-1995 Microsoft Corp.
#
# This is a sample LMHOSTS file used by the Microsoft TCP/IP for Windows
# NT.
#
# This file contains the mappings of IP addresses to NT computernames
# (NetBIOS) names. Each entry should be kept on an individual line.
# The IP address should be placed in the first column followed by the
# corresponding computername. The address and the comptername
# should be separated by at least one space or tab. The "#" character
# is generally used to denote the start of a comment (see the exceptions
# below).
#
# This file is compatible with Microsoft LAN Manager 2.x TCP/IP lmhosts
# files and offers the following extensions:
#
# #PRE
# #DOM:<domain>
# #INCLUDE <filename>
# #BEGIN_ALTERNATE
# #END_ALTERNATE
# \0xnn (non-printing character support)
#
# Following any entry in the file with the characters "#PRE" will cause
# the entry to be preloaded into the name cache. By default, entries are
# not preloaded, but are parsed only after dynamic name resolution fails.
#
# Following an entry with the "#DOM:<domain>" tag will associate the
# entry with the domain specified by <domain>. This affects how the
# browser and logon services behave in TCP/IP environments. To preload
# the host name associated with #DOM entry, it is necessary to also add a
# #PRE to the line. The <domain> is always preloaded although it will not
# be shown when the name cache is viewed.
#
# Specifying "#INCLUDE <filename>" will force the RFC NetBIOS (NBT)
# software to seek the specified <filename> and parse it as if it were
# local. <filename> is generally a UNC-based name, allowing a
# centralized lmhosts file to be maintained on a server.
# It is ALWAYS necessary to provide a mapping for the IP address of the
# server prior to the #INCLUDE. This mapping must use the #PRE directive.
# In addtion the share "public" in the example below must be in the
# LanManServer list of "NullSessionShares" in order for client machines to
# be able to read the lmhosts file successfully. This key is under
# \machine\system\currentcontrolset\services\lanmanserver\parameters\nullsessionshares
# in the registry. Simply add "public" to the list found there.
#
# The #BEGIN_ and #END_ALTERNATE keywords allow multiple #INCLUDE
# statements to be grouped together. Any single successful include
# will cause the group to succeed.
#
# Finally, non-printing characters can be embedded in mappings by
# first surrounding the NetBIOS name in quotations, then using the
# \0xnn notation to specify a hex value for a non-printing character.
#
# The following example illustrates all of these extensions:
#
# 102.54.94.97 rhino #PRE #DOM:networking #net group's DC
# 102.54.94.102 "appname \0x14" #special app server
# 102.54.94.123 popular #PRE #source server
# 102.54.94.117 localsrv #PRE #needed for the include
#
# #BEGIN_ALTERNATE
# #INCLUDE \\localsrv\public\lmhosts
# #INCLUDE \\rhino\public\lmhosts
# #END_ALTERNATE
#
# In the above example, the "appname" server contains a special
# character in its name, the "popular" and "localsrv" server names are
# preloaded, and the "rhino" server name is specified so it can be used
# to later #INCLUDE a centrally maintained lmhosts file if the "localsrv"
# system is unavailable.
#
# Note that the whole file is parsed including comments on each lookup,
# so keeping the number of comments to a minimum will improve performance.
# Therefore it is not advisable to simply add lmhosts file entries onto the
# end of this file.
# Loopback
127.0.0.1 localhost
# Netbios name
192.168.10.75 ATR2
192.168.10.76 VDRL
Then later in /etc/hosts those names get mapped into fqdn:
127.0.0.1 localhost.localdomain localhost
192.168.10.76 vdrl.ath.cx vdrl
192.168.10.75 atr2.ath.cx atr2
Would it still work if I pull the lmhosts file? Not sure, and
I'm not logged in as root right now ;)
Check the Samba docs (the 3 pdf's that come with Samba), there's alot
of info on getting Windows setup in there, too.
--
[** America, the police state **]
Whoooose! What's that noise? Why, it's US citizen's
rights, going down the toilet with Bush flushing.
http://www.theregister.co.uk/2008/01/27/bush_nsa_internal/
http://www.wired.com/politics/security/news/2007/08/wiretap
http://www.hermes-press.com/police_state.htm
http://www.privacyinternational.org/article.shtml?cmd%5B347%5D=x-347-559597
.
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