1997-08-03 18:20:03 +00:00
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Version 1.0: August 11, 1996 (cjm)
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Version 1.1: August 20, 1996 (cjm)
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- Host accepts incoming connections for ports 0 to 1023.
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Version 1.2: September 7, 1996 (cjm)
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- Fragment handling error in alias_db.c corrected.
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Version 1.3: September 15, 1996 (cjm)
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- Generalized mechanism for handling incoming
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connections (no more 0 to 1023 restriction).
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- Increased ICMP support (will handle traceroute now).
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- Improved TCP close connection logic.
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Version 1.4: September 16, 1996 (cjm)
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Version 1.5: September 17, 1996 (cjm)
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- Corrected error in handling incoming UDP packets
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with zero checksum.
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Version 1.6: September 18, 1996
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- Simplified ICMP data storage. Will now handle
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tracert from Win95 and NT as well as FreeBSD
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traceroute, which uses UDP packets to non-existent
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ports.
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Verstion 1.7: January 9, 1997 (cjm)
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- Reduced malloc() activity for ICMP echo and
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timestamp requests.
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- Added handling for out-of-order IP fragments.
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- Switched to differential checksum computation
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for IP headers (TCP, UDP and ICMP checksums
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were already differential).
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- Accepts FTP data connections from other than
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port 20. This allows one ftp connections
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from two hosts which are both running packet
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aliasing.
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Version 1.8: January 14, 1997 (cjm)
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- Fixed data type error in function StartPoint()
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in alias_db.c (this bug did not exist before v1.7)
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Version 1.9: February 1, 1997 (Eivind Eklund <perhaps@yes.no>)
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- Added support for IRC DCC (ee)
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- Changed the aliasing routines to use ANSI style
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throughout (ee)
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- Minor API changes for integration with other
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programs than PPP (ee)
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- Fixed minor security hole in alias_ftp.c for
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other applications of the aliasing software.
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Hole could _not_ manifest in ppp+pktAlias, but
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could potentially manifest in other applications
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of the aliasing. (ee)
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- Connections initiated from packet aliasing
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host machine will not have their port number
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aliased unless it conflicts with an aliasing
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port already being used. (There is an option
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to disable this for debugging) (cjm)
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- Sockets will be allocated in cases where
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there might be port interference with the
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host machine. This can be disabled in cases
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where the ppp host will be acting purely as a
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masquerading router and not generate any
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traffic of its own.
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(cjm)
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Version 2.0: March, 1997 (cjm)
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- Aliasing links are cleared only when a host interface address
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changes.
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- PacketAliasPermanentLink() API added.
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- Option for only aliasing private, unregistered
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IP addresses added.
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- Substantial rework to the aliasing lookup engine.
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Version 2.1: May, 1997 (cjm)
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- Continuing rework to the aliasing lookup engine
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to support multiple incoming addresses and static
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NAT. PacketAliasRedirectPort() and
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PacketAliasRedirectAddr() added to API.
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- Now supports outgoing as well as incoming ICMP
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error messges.
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Version 2.2: July, 1997 (cjm)
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- Rationalized API function names to all begin with
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"PacketAlias..." Old function names are retained
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for backwards compatitibility.
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- Packet aliasing engine will now free memory of
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fragments which are never resolved after a timeout
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period. Once a fragment is resolved, it becomes
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the users responsibility to free the memory.
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1997-08-11 22:05:10 +00:00
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Version 2.3: August 11, 1997 (cjm)
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- Problem associated with socket file descriptor
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accumulation in alias_db.c corrected. The sockets
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had to be closed when a binding failed. Problem
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identified by Gordon Burditt.
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