Re: My hard-to-kill OpenBSD

2007-04-12 Thread Jordan Klein
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
 Tim
 Sent: Thursday, April 12, 2007 1:03 PM
 To: [EMAIL PROTECTED]
 Subject: Re: My hard-to-kill OpenBSD
 

snip

 
 I've noticed that to a lot of techies have this attitude:
 
 if it isn't GUI, it's not worth knowing.
 
 I said GUI instead of Windows because now that you can do a lot of
 things with a GUI on Linux, even the Linux people are starting to
 have this attitude, especially newbies.  It's even frustrating to
 teach a newbie the advantages of vi.  Never mind that I would much
 rather talk a computer-illiterate person over the phone on how to
 change a configuration file with vi than any other GUI text editor.
 
 When I first started toying with OpenBSD, I installed it on an old
 system laying around.  Then I got bored and tried to install
 Debian, Red  Hat, NetBSD, and FreeBSD.  All of them could not get
 past the installation routines.  So I put OpenBSD back on.  This
 really isn't a fair story because it was so long ago and I don't
 remember all the details.  But I do remember the impression OpenBSD
 had on me because of this.
 

It's not only the users.  It's the disto makers, as well.  If you've seen
any current distros of Linux, almost all of them are standardizing on GUI
installs, and GUI management.  In fact, they've gotten to the point where
it's getting much harder to manage them through the command-line, because of
the insane configuration files that redhat, suse, and the others are using
now.

What's worse is that since new sysadmins are not learning the command-line
anymore, they're going to be in a LOT of trouble if the GUI is broken (i.e.,
xorg.conf is misconfigured).  While using a GUI can be useful, having easy,
complete control from a command-prompt is vital.

My OpenBSD install has no X installed, and is fully managed via ssh or
console.  That's the way UNIX was meant to be managed.

-- 
Jordan Klein ~  Beware of dragons
[EMAIL PROTECTED]  ~  for you are crunchy
Solaris / OpenBSD / Linux Admin  ~  and go well with ketchup



Re: slow terminal on macppc

2006-12-05 Thread Jordan Klein
 A number of graphically-oriented systems are faster in X than in console
 mode.  This includes sparc, sparc64, macppc, probably others.  That's
 considered normal. :)

 Nick.

I believe the cause is the video hardware.  The PC video hardware has always
had built-in text-mode with built-in (or loadable) text fonts.  As such, the
PC video cards can render text very quickly and OpenBSD (and pretty much any
other UNIX-like system for i386) takes advantage of that.  However, for the
macppc, sparc/sparc64, and pretty much anything that uses a framebuffer,
text rendering is done through software, not the hardware, so it's far
slower.

If you happened to have an old Sun or Mac around, you can see how slow by
getting into Openboot (Sun) or Openfirmeware (Mac) and see just how slow
display performance is.

--
Jordan Klein ~  Beware of dragons
[EMAIL PROTECTED]  ~  for you are crunchy
Solaris / OpenBSD / Linux Admin  ~  and go well with ketchup



Re: mission impossible

2005-05-19 Thread Jordan Klein
On May 19, 2005, at 6:47 AM, Kaj Mdkinen wrote:
Is this secure?
I have set up an authpf on my firewall. When I authenticate with an  
ssh2 des keyfile the firewall passes
and  forwards it to my windows computer according to my rules in  
authpf.rules. On my windows computer I run Cygwin sshd also with  
ssh2 PubkeyAuthentication.

Of courseI have PasswordAuthentication no , PubkeyAuthentication  
yes and  Protocol 2 in my sshd_config.
An attackeron my open-bsd box gets the login prompt but no password  
prompt withouth the keyfile.
The error is then this:  Received disconnect from xxx.xxx.xxx.xxx  
11: No supported authentication methods available
Won't this be a mission impossible to hack?


Nothing is impossible.  It's possible an attacker could discover a  
flaw in pf or authpf and find a way around it's restrictions.  It's  
also possible that someone could discover a security hole in OpenBSD  
and use that to compromise your system.  The likelihood is small,  
since this is OpenBSD, and it's a very tight ship, but not impossible.

I'm no security guru, but it sounds to me like your setup is secure,  
in that you're putting multiple levels of walls between outside users  
and your system.

Enjoy restful nights, while Windows and Linux admins nervously toss  
and turn in their sleep.  :-)

--
Jordan Klein~  Beware of dragons
[EMAIL PROTECTED] ~  for you are crunchy
Unix Administrator  ~  and go well with ketchup