Synchronet v3.21e-Win32 (install) has been released (Mar-2026).

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ref:fidonet_packets [2018/03/25 14:52] – Details about string field termination (or lack thereof). digital manref:fidonet_packets [2018/11/05 22:32] (current) – [See Also] Added link to Stephen Hurd's FSP draft about Type 2 packets digital man
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   - Zero or more "Packed Messages" (each with its own header and body text, null terminated)   - Zero or more "Packed Messages" (each with its own header and body text, null terminated)
   - A single "Packet Terminator" (16-bits of 0)   - A single "Packet Terminator" (16-bits of 0)
 +
 +Packed Messages may consist of "NetMail" (node-to-node) or "EchoMail" (posted in a public echo area), or both intermixed within the same packet. The format of Packed Messages is also defined in FTS-1.
  
 "Type-1", "Type-3" and other deprecated or proposed FidoNet packet formats are not discussed here since they are not widely used. "Type-1", "Type-3" and other deprecated or proposed FidoNet packet formats are not discussed here since they are not widely used.
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 ==== Header Fields ==== ==== Header Fields ====
  
-^ Offset ^ Length ^ FSC-1 ^ FTS-1 (Type-2) ^ FSC-39 (Type-2e) ^ FSC-48 (Type-2+) ^ FSC-45 (Type-2.2) ^+^ Offset ^ Length ^  FSC-1  ^  FTS-1 (Type-2)  ^  FSC-39 (Type-2e)  ^  FSC-48 (Type-2+)  ^  FSC-45 (Type-2.2)  ^
 | 0x00   | 2      | origNode  ||||| | 0x00   | 2      | origNode  |||||
 | 0x02   | 2      | destNode  ||||| | 0x02   | 2      | destNode  |||||
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 | 0x10   | 2      | baud       |||| sub-version (2) | | 0x10   | 2      | baud       |||| sub-version (2) |
 | 0x12   | 2      | version/type (2)  ||||| | 0x12   | 2      | version/type (2)  |||||
-| 0x14   | 2      | origNet  |||||+| 0x14   | 2      | origNet  ||| (0xFFFF when origPoint != 0) | OrigNet |
 | 0x16   | 2      | destNet  ||||| | 0x16   | 2      | destNet  |||||
 | 0x18   | 1      | prodCode ||||| | 0x18   | 1      | prodCode |||||
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   * [[http://ftsc.org/docs/fsc-0048.002|FSC-48: A Proposed Type-2 Packet Extension, Jan Vroonhof, version 2]]   * [[http://ftsc.org/docs/fsc-0048.002|FSC-48: A Proposed Type-2 Packet Extension, Jan Vroonhof, version 2]]
   * [[http://ftsc.org/docs/fsc-0045.001|FSC-45: A Proposal for A New Packet Header Format, Thom Henderson, version 1]]   * [[http://ftsc.org/docs/fsc-0045.001|FSC-45: A Proposal for A New Packet Header Format, Thom Henderson, version 1]]
 +  * [[http://bbsdev.net/fsp/FSP-Draft.txt|FSP-Draft: Packet Type 2 Compatible Formats, Stephen Hurd]]
   * [[:ref:|References]]   * [[:ref:|References]]
  
-{{tag>}}+{{tag>fidonet}}
  

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