On Mon, 23 Nov 2015, Simo Sorce wrote:
Note, this does not touch the trust code because apparently we use only
arcfour there.

CCing Alexander to give me a comment about that, probably worth opening
a ticket specific to trusts.

Otherwise addresses #4740

Simo.

--
Simo Sorce * Red Hat, Inc * New York

From 70b4c8971ca623aa51e8e7d1f0e5d245a05c7396 Mon Sep 17 00:00:00 2001
From: Simo Sorce <s...@redhat.com>
Date: Mon, 23 Nov 2015 13:40:42 -0500
Subject: [PATCH] Use only AES enctypes by default

Remove des3 and arcfour from the defaults for new installs.

NOTE: the ipasam/dcerpc code sill uses arcfour

Signed-off-by: Simo Sorce <s...@redhat.com>

Ticket: https://fedorahosted.org/freeipa/ticket/4740
---
daemons/ipa-slapi-plugins/ipa-pwd-extop/common.c | 14 +++-----------
install/share/kerberos.ldif                      |  2 --
2 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/daemons/ipa-slapi-plugins/ipa-pwd-extop/common.c 
b/daemons/ipa-slapi-plugins/ipa-pwd-extop/common.c
index 
1a8ef47b0fc6a932a4115dfa05ecf1a39c8e762f..5dc606d22305cf63a16feca30aab2728bb20b80d
 100644
--- a/daemons/ipa-slapi-plugins/ipa-pwd-extop/common.c
+++ b/daemons/ipa-slapi-plugins/ipa-pwd-extop/common.c
@@ -55,18 +55,10 @@ extern const char *ipa_realm_dn;
extern const char *ipa_etc_config_dn;
extern const char *ipa_pwd_config_dn;

-/* These are the default enc:salt types if nothing is defined.
- * TODO: retrieve the configure set of ecntypes either from the
- * kfc.conf file or by synchronizing the file content into
- * the directory */
+/* These are the default enc:salt types if nothing is defined in LDAP */
static const char *ipapwd_def_encsalts[] = {
-    "des3-hmac-sha1:normal",
-/*    "arcfour-hmac:normal",
-    "des-hmac-sha1:normal",
-    "des-cbc-md5:normal", */
-    "des-cbc-crc:normal",
-/*    "des-cbc-crc:v4",
-    "des-cbc-crc:afs3", */
+    "aes256-cts:special",
+    "aes128-cts:special",
    NULL
};

diff --git a/install/share/kerberos.ldif b/install/share/kerberos.ldif
index 
41e77952adafaf28bfaa96b4c1f1a81ef96348be..1f556382e262ec1b71eb0f4267de0a987952d84d
 100644
--- a/install/share/kerberos.ldif
+++ b/install/share/kerberos.ldif
@@ -30,8 +30,6 @@ krbMaxTicketLife: 86400
krbMaxRenewableAge: 604800
krbDefaultEncSaltTypes: aes256-cts:special
krbDefaultEncSaltTypes: aes128-cts:special
-krbDefaultEncSaltTypes: des3-hmac-sha1:special
-krbDefaultEncSaltTypes: arcfour-hmac:special

# Default password Policy
dn: cn=global_policy,cn=$REALM,cn=kerberos,$SUFFIX
--
2.5.0

ACK.

--
/ Alexander Bokovoy

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