pam_shield is a PAM module that uses null-routing or iptables to lock out script kiddies that probe your computer for open logins or easy guessable passwords.
pam_shield is meant as an aid to protect public
computers on the Internet.
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A number of bugs were fixed. The configuration parameters for allowing missing DNS entries and reverse DNS entries are now handled properly. When the trigger command fires, a check is now made whether the trigger executed successfully. Syslogging is now done with the AUTHPRIV facility. A possible NULL pointer reference bug was fixed. The trigger command now uses IP blackholing. A lot of explanatory text about configuring the PAM stack was added to the INSTALL file.
