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PA2AGA > TCPDIG 12.01.97 17:50l 138 Lines 4577 Bytes #-10760 (0) @ EU
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From: pa2aga
To: tcp_broadcast@pa2aga-1
Subject: TCP-Group Digest 97/1
X-BBS-Msg-Type: B
TCP-Group Digest Thu, 9 Jan 97 Volume 97 : Issue 1
Today's Topics:
(no subject)
infO
SSH and compressed sockets (2 msgs)
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----------------------------------------------------------------------
Date: Wed, 08 Jan 97 19:29:36 -0800
From: Bob Wagner <rcwagner@digimag.net>
Subject: (no subject)
add tcp-group
------------------------------
Date: Thu, 2 Jan 97 15:44:12 GMT
From: ik3vik@yo-ik3vik.ampr.org (Renzo)
Subject: infO
R:970102/1544z @:YO-IK3VIK.AMPR.ORG [TIMIS] ROMANIA #:1673
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------------------------------
Date: Tue, 7 Jan 1997 22:29:19 -0600
From: "Steve Sampson" <ssampson@oklahoma.net>
Subject: SSH and compressed sockets
> From: Phil Karn <karn@qualcomm.com>
> A quick hack to do compression over TCP with Linux is to install ssh
> (secure shell) and enable the compression option. Just specify "-c
> none" to disable encryption if you want to run it legally over amateur
> radio.
Just a note to say I've been using this software successfully on both
Linux and the RS/6000 AIX boxes at work. Talk about your adaptable
software configuration automation! Pretty impressive. I did see a few
ugly C'isms in there (like a void pointer being compared to 0 which is
an int on RS6K C). Nothing to get all huffed up about...
I like this so well, I'll probably get rid of rsh, and rlogin...
The way the military does firewalls, is they staff a huge OSI (Office of
Special Investigations) and these gomers watch all the traffic and
then go chase. I just get laughed at when I say "how about putting
a firewall up and filtering?" "What!, and lose all these civil service
slots!"
Anyway, this will allow machines to traverse the base network to various
machines and internet providers, and put the OSI gomers out of work :-)
Steve
"port 22 or bust"
------------------------------
Date: Wed, 08 Jan 97 14:51:00 -0000
From: mikebw@bilow.bilow.uu.ids.net (Mike Bilow)
Subject: SSH and compressed sockets
Steve Sampson wrote in a message to Mike Bilow:
SS> I did see a few ugly C'isms in there (like a void pointer being
SS> compared to 0 which is an int on RS6K C).
This is fully portable. The ANSI C Standard (6.2.2.3) provides:
An integral constant expression with the value 0, or such an expression
cast to type void *, is called a null pointer constant. If a null
pointer constant is assigned to or compared for equality to a pointer,
the constant is converted to a pointer of that type. Such a pointer,
called a null pointer, is guaranteed to compare unequal to a pointer to
any object or function.
Most compilers simply define the "NULL" macro as "(void *)0" anyway.
-- Mike
------------------------------
End of TCP-Group Digest V97 #1
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