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Old 05-13-2008
sshdautoban 0.7 (Default branch)
sshdautoban is a script intended to automatically ban, in real time, attackers that are trying to connect on your sshd service without authorization. It blocks connections from an IP address when it issues too many login errors. License: GNU General Public License v2 Changes:
It is now possible to call the script with the "-c" argument to clean out /etc/hosts.deny. This uses a new parameter: cleanup_period => "week". You may use day, week, or month depending on how long you wish to keep IPs in hosts.deny. The in-script documentation was updated and now contains syslogd configuration and a full change log.Image

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LEARN ABOUT SUNOS

pam_deny

pam_deny(5)						Standards, Environments, and Macros					       pam_deny(5)

NAME

       pam_deny - PAM module to deny operations

SYNOPSIS

       pam_deny.so.1

DESCRIPTION

       The pam_deny module implements all the PAM service module functions and returns the module type default failure return code for all calls.

       The following options are interpreted:

       debug	       syslog(3C) debugging information at LOG_AUTH and LOG_DEBUG levels

ERRORS

       The authentication service returns the following error codes:

       PAM_ACCT_EXPIRED        If pam_sm_acct_mgmt is called.

       PAM_AUTH_ERR	       If pam_sm_authenticate is called.

       PAM_AUTHOK_ERR	       If pam_sm_chauthtok is called.

       PAM_CRED_ERR	       If pam_sm_setcred is called.

       PAM_SESSION_ERR	       If pam_sm_open_session or pam_sm_close_session are called.

EXAMPLES

       Example 1: Disabling a specified service

       The following example shows how to disable the service ssh-none authentication type:

	sshd-none	auth	pam_deny.so.1
	sshd-none	account pam_deny.so.1
	sshd-none	session pam_deny.so.1
	sshd-none	password pam_deny.so.1

       Example 2: Disabling all sevices

       The following example shows how to disable all services that are not explicitly defined:

	    other	    auth    pam_deny.so.1
	    other	    account pam_deny.so.1
	    other	    session pam_deny.so.1
	    other	    password pam_deny.so.1

ATTRIBUTES

       See attributes(5) for a description of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+
       |MT Level		     |MT-Safe with exceptions	   |
       +-----------------------------+-----------------------------+

SEE ALSO

       su(1M), libpam(3LIB), pam(3PAM), pam_sm_authenticate(3PAM), syslog(3C), pam.conf(4), nsswitch.conf(4), attributes(5), pam_authtok_check(5),
       pam_authtok_get(5), pam_authtok_store(5), pam_dhkeys(5), pam_passwd_auth(5),  pam_unix_account(5),  pam_unix_auth(5),  pam_unix_session(5),
       privileges(5)

NOTES

       The interfaces in libpam(3LIB) are MT-Safe only if each thread within the multi-threaded application uses its own PAM handle.

       This  module  is intended to be used to either deny access to specific services names, or to all service names not specified (by specifying
       pam_deny.so.1 as the default, "other", service stack).

SunOS 5.10							    19 Apr 2004 						       pam_deny(5)