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RedHat: 'iptables' minor security issues Print E-mail
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Posted by Team   
RedHat Linux A new version of iptables fixing various minor security problems and some other bugs is available.

                   Red Hat, Inc. Red Hat Security Advisory

Synopsis:          Updated iptables packages are available
Advisory ID:       RHSA-2001:144-04
Issue date:        2001-10-30
Updated on:        2001-11-05
Product:           Red Hat Linux
Keywords:          iptables firewall logging
Cross references:  

1. Topic:

A new version of iptables fixing various minor security problems and some 
other bugs is available.

2. Relevant releases/architectures:

Red Hat Linux 7.1 - alpha, i386

Red Hat Linux 7.2 - i386

3. Problem description:

Some problems in earlier releases of iptables could lead to bad 
iptables-save files, causing the firewall not to come up when iptables 
was restarted (e.g. at system reboot).

This release also fixes some other problems.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade.  Only those
RPMs which are currently installed will be updated.  Those RPMs which are
not installed but included in the list will not be updated.  Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.

Please note that this update is also available via Red Hat Network.  Many
people find this an easier way to apply updates.  To use Red Hat Network,
launch the Red Hat Update Agent with the following command:


This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

5. Bug IDs fixed  (http://bugzilla.Red for more info):

42990 - iptables-save: -c option causing problems as of 1.2.2-1.i386
50500 - iptables-save saves --reject-with icmp-host-prohibited as --reject-with tcp-reset
53325 - Errata conversion of iptables .... -m limit ##/sec
54280 - string_to_number buglets
31133 - do not assume that nat, mangle tables exist
54160 - iptables-save and iptables-restore parse and produce quotes differently from each other

6. RPMs required:

Red Hat Linux 7.1:




Red Hat Linux 7.2:



7. Verification:

MD5 sum                          Package Name
aee09a8279c146b9a8e77b39615814f1 7.1/en/os/SRPMS/iptables-1.2.4-0.71.2.src.rpm
c271aaa550b1c11e0c8d66ccff0b3648 7.1/en/os/alpha/iptables-1.2.4-0.71.2.alpha.rpm
afa4630374a6c9a927ba46f4327dcc26 7.1/en/os/alpha/iptables-ipv6-1.2.4-0.71.2.alpha.rpm
d8af43db7c333a7d72b6a10ea9102fd6 7.1/en/os/i386/iptables-1.2.4-0.71.2.i386.rpm
419376e43b186ddbb9db047f225063f6 7.1/en/os/i386/iptables-ipv6-1.2.4-0.71.2.i386.rpm
e7eb4c85819f1a3563a411685071cad4 7.2/en/os/SRPMS/iptables-1.2.4-2.src.rpm
6434f2a021ac8ca30b04d3f560f7a76a 7.2/en/os/i386/iptables-1.2.4-2.i386.rpm
b8abccb90b6a019a8c0ca5f4c43da8b5 7.2/en/os/i386/iptables-ipv6-1.2.4-2.i386.rpm 

These packages are GPG signed by Red Hat, Inc. for security.  Our key
is available at:

You can verify each package with the following command:
    rpm --checksig  

If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
    rpm --checksig --nogpg 

8. References:

Copyright(c) 2000, 2001 Red Hat, Inc.

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