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TOMCAT.INF
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1988-04-06
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_ /| Some information on the TCP/IP FTP FileServer
\'o.O' TOMCAT.GSFC.NASA.GOV = 128.183.10.100
=(___)=
U Tom Clark - W3IWI
TOMCAT is a public access file server I have put online to help meet the
needs of several groups:
- The Digital Signal Processing (DSP) development team
- The group using the NET TCP/IP software being developed by Phil Karn et al
- The PACSAT development team
- Packet Radio BBS developers
TOMCAT runs Phil Karn's NET code on a PC's Limited 386 in my office. It runs
as one window under DesqView which is available unless I need to use the
entire machine's resources for work-related tasks (in which case it won't
answer). The 386 has a 3COM 3C501 board in it which is tied to the NASA/
GODDARD center-wide Ethernet where its public IP address is 128.183.10.100.
The name TOMCAT means TOM C's AT (even though the machine is now a 386).
Once you connect to TOMCAT it accepts 'user anonymous' (or user anon in case
you can't spell). I would like to ask that you use 'pass yourcall' as the
password so I can tell who has logged in. Anonymous users have both read &
write (but not delete or replace) access to any of the subdirectories of
/PUBLIC. The subdirectory names are pretty self-explanatory: /PUBLIC/DSP
has DSP code, /PUBLIC/TCP has code related to NET (including Macintosh,
Amiga & NET/ROM versions), /PUBLIC/BBS has the latest releases of WA7MBL
BBS code, /PUBLIC/TELECOM has modem and telecommunications related stuff, etc.
In addition to the Ethernet port the machine is available on SLIP at 2400
baud if my dataphone is not tied up doing other things. Goddard is wired
with a ROLM ISDN network (ROLM plus its parent owner IBM bring new meanings
to the words "twisted pair"!) so it is necessary to go thru a few bizzare
steps to log on to TOMCAT's SLIP port:
a. Dial (301)286-9000 (the Goddard central modem pool)
b. Hit <cr> and you will get a ENTER NUMBER: prompt.
c. Type 65957 <cr> and await a CALL COMPLETED prompt.
d. Bring up your TCP/IP software (like NET) and 'ftp tomcat' (or
'ftp [128.183.10.100]' in case TOMCAT isn't in your HOSTS.NET table).
e. After your NET says 'established', logon with 'user anonymous' &
'pass yourcall'. The browse around with 'dir' , 'cd' and 'get' whatever
strikes your fancy. Remember to do a 'type i' if you are going to fetch
a binary (e.g. .ARC) file.
f. I have found that setting 'tcp mss 536' & 'tcp window 1072' seems to
work pretty well on the SLIP port. TOMCAT's defaults are optimized for
the Ethernet world.
On the SLIP port TOMCAT is armed to expect users with a 44.xx.xx.xx address.
On the arpanet port, it will take anything except 44.xx.xx.xx. If this causes
you any problems, let me know. You cannot use the SLIP port on TOMCAT as a
gateway switch to the 'real world' internet.
Any contributed software is welcome -- just make certain that you aren't
violating any copywrite provisions. Try to use PKARC to compress the files
to save disk space and transmission time. The /PUBLIC/ARC has both PKXARC
in executable form and the entire PK-package in .ARC form (TOMCAT's PKXARC
has had the bug repair done to it -- details in PK-ALL.ARC).
TOMCAT and LOUIE.UDEL.EDU usually have the latest KA9Q releases and TOMCAT
itself runs the latest NET code as soon as Phil sends it and I have time to
load it up.
Comments are welcome -- is this system serving a useful function?
73, Tom
Updated 4/6/88