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Also, I seem to recall that I had a 2.4 kernel before, as well...

Regardless, with the thought in mind that I might upgrade to 7.x or
8.0 (whose support ends only 9 months after 6.2's - what's up with
that?), I would just download all the RPM's & do a hard disk install.
 My question there would be, how do I do the upgrade, then, as I have
no intention of ordering the disks, as it will take too long for them
to get here.

- -----Original Message-----
From: Rick Johnson [mailto:[EMAIL PROTECTED]]
Sent: Monday, December 16, 2002 12:42 PM
To: [EMAIL PROTECTED]
Subject: Re: Boy, did I screw up bad... I need some help guys.



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Burke, Thomas G. wrote:
| I've thought about that, but really, My firewall only allows
| connection to ssh, sendmail, and http, so there's not a lot to
| worry about security-wise.  I don't feel like having to learn
| something
| besides ipchains, since I've got that working good.  As long as I
| can keep it updated to a certain point, I'm sure that's OK, unless
| you can give me a compelling reason to install a newer version.

Tom,

Just because you've firewalled other services does *not* mean you're
safe
from attacks. There have been recent exploits to ssh and http which
need to
be considered as well which a simple ipchains firewall will not
protect
from. A firewall only blocks connections to undesired ports and from
certain
source IP's if you take it that far. Your due diligence on keeping
your
machine up to date takes care of the rest. Unless you're willing to
take
over the updates once Red Hat has stopped supporting it (by
downloading and
compiling the source yourself), you're doomed for vulnerability once
something is discovered and Red Hat no longer provides a fix for your
version.

7.3 and 8.0 both still support ipchains. 7.3's lokkit uses it by
default,
8.0 moved to iptables, but still supports ipchains if you want it.
Benefits
for moving up to a newer version (7.3 or 8.0) are the use of a recent
2.4.x
kernel which is going to noticeably improve performance over the
older 2.2.x
kernels. Other improvements are newer (and feature enhanced) packages
over
the 6.x platforms.

Reasons to learn iptables, however, would be the capability for
stateful
inspection vs. simple packet filtering, and greater flexibility in
chain
rules. You'll find the similarities astonishing and quite simple to
adapt to.

Resistance to change will only be a hindrance in the end.

HTH,
- -Rick
- --
Rick Johnson, RHCE - [EMAIL PROTECTED]
Linux/WAN Administrator - Medata, Inc.
PGP Public Key: https://mail.medata.com/pgp/rjohnson.asc

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