Package: libpam-shield
Version: 0.9.2-3.2
Severity: grave
Tags: security
With allow_missing_dns and allow_missing_reverse set to "no" (default
configuration in Squeeze), pam_shield doesn't take any action
whatsoever, besides logging the IP. If I set both variables to "yes",
the IPs are null-routed as expected. I tested by connecting via SSH from
a system without DNS records.
This seems to be a bug fixed upstream in September 2010 [1]. Is this
package still actively maintained in Debian? Upstream seems to be quite
active, but the Debian changelog doesn't seem to suggest any code
changes since December 2007.
-- System Information:
Debian Release: 6.0.4
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: i386 (i686)
Kernel: Linux 2.6.32-5-686-bigmem (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=UTF-8 (charmap=locale: Cannot set
LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/dash
Versions of packages libpam-shield depends on:
ii libc6 2.11.3-2 Embedded GNU C Library:
Shared lib
ii libgdbm3 1.8.3-9 GNU dbm database routines
(runtime
ii libpam0g 1.1.1-6.1+squeeze1 Pluggable Authentication
Modules l
libpam-shield recommends no packages.
Versions of packages libpam-shield suggests:
ii iproute 20100519-3 networking and traffic
control too
ii iptables 1.4.8-3 administration tools for
packet fi
-- Configuration Files:
/etc/security/shield.conf changed:
debug on
block all-users
allow_missing_dns yes
allow_missing_reverse yes
allow localhost
db /var/lib/pam_shield/db
trigger_cmd /usr/sbin/shield-trigger
max_conns 3
interval 1h
retention 1w
-- debconf information:
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = "en_US:en",
LC_ALL = (unset),
LC_CTYPE = "UTF-8",
LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
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