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authorTomas Mraz <tmraz@fedoraproject.org>2012-06-22 13:36:45 +0200
committerTomas Mraz <tmraz@fedoraproject.org>2012-06-22 13:36:45 +0200
commitd7687ef4ba7e0e776f0216f1fcb36859acc3fe15 (patch)
tree36c583d0471fd0d27818d765e675da326c87ea5e /modules/pam_cracklib/pam_cracklib.8.xml
parente01a134b72b027042fc555793181d9b025c53a15 (diff)
pam_cracklib: Add monotonic character sequence checking.
modules/pam_cracklib/pam_cracklib.c (_pam_parse): Parse the maxsequence option. (sequence): New function to check for too long monotonic sequence of characters. (password_check): Call the sequence(). modules/pam_cracklib/pam_cracklib.8.xml: Document the maxsequence check.
Diffstat (limited to 'modules/pam_cracklib/pam_cracklib.8.xml')
-rw-r--r--modules/pam_cracklib/pam_cracklib.8.xml23
1 files changed, 23 insertions, 0 deletions
diff --git a/modules/pam_cracklib/pam_cracklib.8.xml b/modules/pam_cracklib/pam_cracklib.8.xml
index 7c0ae700..9c929bfa 100644
--- a/modules/pam_cracklib/pam_cracklib.8.xml
+++ b/modules/pam_cracklib/pam_cracklib.8.xml
@@ -114,6 +114,14 @@
</listitem>
</varlistentry>
<varlistentry>
+ <term>Too long monotonic character sequence</term>
+ <listitem>
+ <para>
+ Optional check for too long monotonic character sequence.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
<term>Contains user name</term>
<listitem>
<para>
@@ -349,6 +357,21 @@
<varlistentry>
<term>
+ <option>maxsequence=<replaceable>N</replaceable></option>
+ </term>
+ <listitem>
+ <para>
+ Reject passwords which contain monotonic character sequences
+ longer than N. The default is 0 which means that this check
+ is disabled. Examples of such sequence are '12345' or 'fedcb'.
+ Note that most such passwords will not pass the simplicity
+ check unless the sequence is only a minor part of the password.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
<option>maxclassrepeat=<replaceable>N</replaceable></option>
</term>
<listitem>