About mismatching shared secret

2012-07-16 Thread Sergio Belkin
Hi folks,

I've found on FR Version 2.1.12 that mismatching shared secret errors
are not recorded on regulars logs (eg /var/log/radius/radius.log)
but only when run in mode debug:

Received Accounting-Request packet from client 10.129.189.1 with
invalid signature!  (Shared secret is incorrect.) Dropping packet
without response.

My configuration:


FreeRADIUS Version 2.1.12, for host x86_64-unknown-linux-gnu, built on
Jan  3 2012 at 16:18:16
Copyright (C) 1999-2009 The FreeRADIUS server project and contributors.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
You may redistribute copies of FreeRADIUS under the terms of the
GNU General Public License v2.
Starting - reading configuration files ...
including configuration file /etc/raddb-testing/radiusd.conf
including configuration file /etc/raddb-testing/proxy.conf
including configuration file /etc/raddb-testing/clients.conf
including files in directory /etc/raddb-testing/modules/
including configuration file /etc/raddb-testing/modules/chap
including configuration file /etc/raddb-testing/modules/mschap
including configuration file
/etc/raddb-testing/modules/sqlcounter_expire_on_login
including configuration file /etc/raddb-testing/modules/exec
including configuration file /etc/raddb-testing/modules/realm
including configuration file /etc/raddb-testing/modules/checkval
including configuration file /etc/raddb-testing/modules/rediswho
including configuration file /etc/raddb-testing/modules/passwd
including configuration file /etc/raddb-testing/modules/attr_filter
including configuration file /etc/raddb-testing/modules/linelog
including configuration file /etc/raddb-testing/modules/wimax
including configuration file /etc/raddb-testing/modules/pam
including configuration file /etc/raddb-testing/modules/inner-eap
including configuration file /etc/raddb-testing/modules/echo
including configuration file /etc/raddb-testing/modules/soh
including configuration file /etc/raddb-testing/modules/replicate
including configuration file /etc/raddb-testing/modules/acct_unique
including configuration file /etc/raddb-testing/modules/etc_group
including configuration file /etc/raddb-testing/modules/pap
including configuration file /etc/raddb-testing/modules/expr
including configuration file /etc/raddb-testing/modules/smbpasswd
including configuration file /etc/raddb-testing/modules/attr_rewrite
including configuration file /etc/raddb-testing/modules/radutmp
including configuration file /etc/raddb-testing/modules/mac2ip
including configuration file /etc/raddb-testing/modules/logintime
including configuration file /etc/raddb-testing/modules/sql_log
including configuration file /etc/raddb-testing/modules/smsotp
including configuration file /etc/raddb-testing/modules/preprocess
including configuration file /etc/raddb-testing/modules/policy
including configuration file /etc/raddb-testing/modules/cui
including configuration file /etc/raddb-testing/modules/perl
including configuration file /etc/raddb-testing/modules/digest
including configuration file /etc/raddb-testing/modules/mac2vlan
including configuration file /etc/raddb-testing/modules/otp
including configuration file /etc/raddb-testing/modules/files
including configuration file /etc/raddb-testing/modules/always
including configuration file /etc/raddb-testing/modules/ntlm_auth
including configuration file /etc/raddb-testing/modules/detail
including configuration file /etc/raddb-testing/modules/krb5
including configuration file /etc/raddb-testing/modules/sradutmp
including configuration file /etc/raddb-testing/modules/opendirectory
including configuration file /etc/raddb-testing/modules/counter
including configuration file /etc/raddb-testing/modules/detail.example.com
including configuration file /etc/raddb-testing/modules/ippool
including configuration file /etc/raddb-testing/modules/expiration
including configuration file /etc/raddb-testing/modules/dynamic_clients
including configuration file /etc/raddb-testing/modules/detail.log
including configuration file /etc/raddb-testing/modules/redis
including configuration file /etc/raddb-testing/modules/ldap
including configuration file /etc/raddb-testing/modules/unix
including configuration file /etc/raddb-testing/eap.conf
including configuration file /etc/raddb-testing/policy.conf
including files in directory /etc/raddb-testing/sites-enabled/
including configuration file /etc/raddb-testing/sites-enabled/status
including configuration file /etc/raddb-testing/sites-enabled/control-socket
including configuration file /etc/raddb-testing/sites-enabled/inner-tunnel
including configuration file /etc/raddb-testing/sites-enabled/default
including configuration file /etc/raddb-testing/sites-enabled/inner-tunnel-peap
main {
user = radiusd
group = radiusd
allow_core_dumps = no
}
including dictionary file /etc/raddb-testing/dictionary
main {
name = radiusd
prefix = /usr/local-test
localstatedir = 

Re: About mismatching shared secret

2012-07-16 Thread Alan DeKok
Sergio Belkin wrote:

 I've found on FR Version 2.1.12 that mismatching shared secret errors
 are not recorded on regulars logs (eg /var/log/radius/radius.log)
 but only when run in mode debug:

  That's how it works.

  Alan DeKok.
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Re: About mismatching shared secret

2012-07-16 Thread alan buxey
Hi,

 I've found on FR Version 2.1.12 that mismatching shared secret errors
 are not recorded on regulars logs (eg /var/log/radius/radius.log)
 but only when run in mode debug:

yep. likewise unknown clients. its to stop a DoS due to log space exhaustion 
etc.
you can change the behaviour for your own instance with some tweaks to the code.


alan
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