1oidentd_masq.conf(5)          File Formats Manual         oidentd_masq.conf(5)
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NAME

6       oidentd_masq.conf - oidentd IP masquerading (NAT) configuration file.
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DESCRIPTION

10       If  you are using IP masquerading or NAT, oidentd can optionally return
11       a username for connections from other machines.  Support  for  this  is
12       enabled  by  calling  oidentd with the -m (or --masquerade) flag and by
13       creating an /etc/oidentd_masq.conf file. This file is read from top  to
14       bottom, and oidentd stops at the first matching entry it encounters.
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16       oidentd  can  also forward requests for an IP masqueraded connection to
17       the machine from which the connection originates by way of the  -f  (or
18       --forward) option. This will only work if the host to which the connecā€
19       tion is forwarded is running oidentd with the -P (--proxy) flag, or  if
20       the  host's  ident daemon returns a valid reply regardless of the input
21       supplied by and the address of the host sending the request.
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23       When forwarding is enabled with the -f option, oidentd  forwards  ident
24       queries  before reading the IP masquerading configuration file. If this
25       is not desired, the -M (or --masquerade-first) option can be used.
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FORMAT

29       <IP Address|Hostname>[/<Mask>] <Ident Response> <System Type>
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31       The first field contains the IP address or the hostname  of  a  machine
32       that IP masquerades through the machine on which oidentd runs. The mask
33       parameter can be either a network mask or a mask in  CIDR  notation.  A
34       mask  of  24 is equivalent to 255.255.255.0, a mask of 16 is equivalent
35       to 255.255.0.0, etc.
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37       The second field specifies the  reply  that  oidentd  will  return  for
38       lookups  to  the  host  matching  the IP address specified in the first
39       parameter.
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41       The third field specifies the operating system the machine matching the
42       first parameter is running.
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EXAMPLES

46       <Host>[/<Mask>]             <Ident Response>      <System Type>
47       192.168.1.1                   someone               UNIX
48       192.168.1.2                   noone                 WINDOWS
49       192.168.1.1/32                user1                 UNIX
50       192.168.1.0/24                user2                 UNIX
51       192.168.0.0/16                user3                 UNIX
52       somehost                      user4                 UNIX
53       192.168.1.0/255.255.255.0     user5                 UNIX
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AUTHOR

56       Janik Rabe <oidentd@janikrabe.com>
57       https://oidentd.janikrabe.com
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59       Originally written by Ryan McCabe <ryan@numb.org>.
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SEE ALSO

63       oidentd(8) oidentd.conf(5)
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67version 2.3.1                     2018-06-13              oidentd_masq.conf(5)
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