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<TITLE>Standard FidoNet Addressing.</TITLE>
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<PRE>
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**********************************************************************
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FTSC FIDONET TECHNICAL STANDARDS COMMITTEE
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**********************************************************************
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Publication: FSP-1004
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Revision: 1
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Title: Standard Fidonet Addressing
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Author: Lee Kindness
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Revision Date: 15 May 1997
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Expiry Date: 15 May 1999
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----------------------------------------------------------------------
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Contents:
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1. Standard Fidonet Addressing
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2. Internet Gateway Addressing
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3. Routing Address Syntax
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----------------------------------------------------------------------
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Status of this document
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-----------------------
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This document is a Fidonet Standards Proposal (FSP).
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This document specifies an optional Fidonet standard protocol for
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the Fidonet community, and requests discussion and suggestions for
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improvements.
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This document is released to the public domain, and may be used,
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copied or modified for any purpose whatever.
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Introduction
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------------
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This document describes the standard form of addressing in Fidonet
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today along with the common method of addressing via internet
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gateways. In addition it proposes an extended addressing syntax,
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useful for routing purposes. This is a draft for comments and
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suggestions.
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1. Standard Fidonet Addressing
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------------------------------
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Fidonet addressing uses the following format:
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ZZ:NN/FF.PP@DO
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where the fields refer to...
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ZZ - Zone Number: The zone the node is part of.
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Min: 1 Max: 32767
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If 'ZZ:' is missing then assume 1 as the zone.
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NN - Net Number: The network the node is a member of.
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Min: 1 Max: 32767
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Must be present.
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FF - Node Number: The actual node number.
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Min: -1 Max: 32767
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Must be present.
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PP - Point Number: If the system is a point rather than a node then
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this is their point number off the node.
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Min: 0 Max: 32767
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If '.PP' is missing then assume 0 (ie not a
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point) as the point number.
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DO - Domain: The name of the 'Fidonet Technology Network'.
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Maximum length of 8 characters. The domain
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should not include periods, thus 'fidonet.org'
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is invalid (should be fidonet).
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If '@DO' is missing then fidonet can be assumed.
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The following are all valid examples:
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1:234/5.6@fidonet (a '5D' address) => 1:234/5.6@fidonet
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2:34/6.78 (a '4D' address) => 2:34/6.78@fidonet
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4:610/34 (a '3D' address) => 4:610/34.0@fidonet
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123/45 (a '2D' address) => 1:123/45.0@fidonet
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955:95/2@othernet (another FTN) => 955:95/2.0@othernet
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2:259/-1 (node application) => 2:259/-1.0@fidonet
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The limits on each various part of the address are a result of
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fts-0005 (zone, net, node, point), fsc-0045 (domain) and Policy 4
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(-1 node address for node application).
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2. Internet Gateway Addressing
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------------------------------
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An internet user can send email/netmail to a fidonet user via one of
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the fidonet->internet gateway systems (it's out-with the scope of
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this document to describe the semantics of posting). The internet
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user would send an email to a Fidonet user by using an email address
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of the following syntax:
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user.name@pPP.fFF.nNN.zZZ.gateway.domain
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where the fields refer to...
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user.name - Name: Name of the user the email is being sent
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to, spaces replaced by periods.
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PP - Point Number: As Fidonet address (FA)
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If '.pPP' is missing 0 is assumed.
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FF - Node Number: As FA
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Must be present.
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NN - Net Number: As FA
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Must be present.
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ZZ - Zone Number: As FA
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Must be present.
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gate.way - Gateway: Internet domain of the gateway, for
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example 'fidonet.org'.
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Must be present.
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The following are all valid examples (assuming 'fidonet.org' is an
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internet gateway):
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joe.bloggs@p6.f5.n234.z1.fidonet.org => 1:234/5.6@fidonet
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harry.cat@p78.f6.n34.z2.fidonet.org => 2:34/6.78@fidonet
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i.be.jolly@f34.n610.z4.fidonet.org => 4:610/34.0@fidonet
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and if 'foo.bar.org.uk' is a gateway for 'othernet':
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louise.hat@f2.n95.z955.foo.bar.org.uk => 955:95/2.0@othernet
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3. Routing Address Syntax
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-------------------------
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The two previous address types (Fidonet and Internet->Fidonet
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gateway) are common practice, this however is a suggested standard
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of addressing for routing tables. The routing address has the
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following syntax:
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DD:ZZ:RR:NN:HH:FF:PP
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where the fields refer to:
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DD - Domain: As FA
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Must be present, even if blank (ie a leading
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':') to ensure we always have 6 ':'s in an
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address to aid pattern matching.
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ZZ - Zone Number: As FA
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Must be present.
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RR - Region Number: The region (from fts-0005 nodelist) that the
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following network is in.
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Min: 1 Max: 32767
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Must be present.
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NN - Net Number: As FA
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Must be present.
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HH - Hub: The hub (from fts-0005 nodelist) that the node
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is under, or 0 (host hub).
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Min: 1 Max: 32767
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Must be present.
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FF - Node Number: As FA
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Must be present.
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PP - Point Number: As FA
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Must be present.
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':' has been chosen as the separator as it is not a POSIX regular
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expression character or globing character (where as '.' is) and thus
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always easy use of wildcards on the address. The following points
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should be noted:
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1. All addresses have 6 ':'s
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2. The domain is at the front, the address gets more specific to
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the right
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3. Nodes have 0 as their point number
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4. A zone net has identical zone, region and net fields
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5. A region net has identical region and net fields
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Example fidonet addresses converted to routing addresses:
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fidonet:2:25:259:0:7:0 => 2:259/7.0@fidonet, region 25, hub 0
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fidonet:1:1:1:0:23:0 => 1:1/23.0@fidonet, zone 1 net
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:955:9551:95:300:45:0 => 955:95/45.0, region 9551, hub 300
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fidonet:2:25:25:0:0:0 => 2:25/0.0@fidonet, R25C
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cnet:12:34:341:100:1:7 => 12:341/1.7@cnet, region 34, hub 100
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:2:25:259:300:300:0 => 2:259/300.0, region 25, hub 300
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Example POSIX regular expression patterns on routing addresses:
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[a-z]*:[0-9]+:[0-9]+:[0-9]+:[0-9]+:[0-9]+:[0-9]+ (any address)
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[a-z]*(:[0-9]+)+ (any address)
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fidonet:2:25:[0-9]+:[0-9]+:[0-9]+:[0-9]+ (region 25 node)
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fidonet:2:25(:[0-9]+)+ (region 25 node)
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fidonet:1:12:125(:[0-9]+)+ (all net 1:125 nodes)
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fidonet:1:12:125:200(:[0-9]+)+ (all hub 1:125/200 downlinks)
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fidonet:1:12:125:200:2:[0-9]+ (all 1:125/2 points)
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fidonet:1:12:125:[0-9]+:(25|34|56):0
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(nodes 1:125/25.0, 1:125/34.0 and 1:125/56.0)
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Example 'DOS style' patterns on routing addresses:
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*:*:*:*:*:*:* (any address)
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fidonet:2:25:*:*:*:* (region 25 node)
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fidonet:1:12:125:*:*:* (all net 1:125 nodes)
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fidonet:1:12:125:200:*:* (all hub 1:125/200 downlinks)
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fidonet:1:12:125:200:2:* (all 1:125/2 points)
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fidonet:1:12:125:*:3*:0 (any net 1:125 nodes starting with 3)
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fidonet:1:12:125:*:3?:0 (net 1:125 nodes 30 thru 39)
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The standard doesn't define which standard of pattern matching to
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use, only the format of the addresses. These routing addresses would
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be used in routing tables and configurations.
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A. Author contact data
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----------------------
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Lee Kindness
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Fidonet: n/a
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E-mail: wangi@earthling.net
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WWW: http://www.scms.rgu.ac.uk/students/cs_yr94/lk/fido.html
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B. History
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----------
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Rev.1, 971101: First release as FSP, based on the Fidonews 14/20
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article. Transformed into FSP document by Odinn
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Sorensen.
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**********************************************************************
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</PRE>
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<A HREF="index.htm"><IMG SRC="../images/b_arrow.gif" ALT="Back" Border="0" width="33" height="35"> Go Back</A>
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