.TP
.B \fBdefault_tgs_enctypes\fP
Identifies the supported list of session key encryption types that
-should be returned by the KDC, in order of preference from
-highest to lowest. The list may be delimited with commas or
-whitespace. See \fIEncryption_and_salt_types\fP in
+the client should request when making a TGS\-REQ, in order of
+preference from highest to lowest. The list may be delimited with
+commas or whitespace. See \fIEncryption_and_salt_types\fP in
\fIkdc.conf(5)\fP for a list of the accepted values for this tag.
The default value is \fBaes256\-cts\-hmac\-sha1\-96 aes128\-cts\-hmac\-sha1\-96 des3\-cbc\-sha1 arcfour\-hmac\-md5 camellia256\-cts\-cmac camellia128\-cts\-cmac des\-cbc\-crc des\-cbc\-md5 des\-cbc\-md4\fP, but single\-DES encryption types
will be implicitly removed from this list if the value of
\fBallow_weak_crypto\fP is false.
+.sp
+Do not set this unless required for specific backward
+compatibility purposes; stale values of this setting can prevent
+clients from taking advantage of new stronger enctypes when the
+libraries are upgraded.
.TP
.B \fBdefault_tkt_enctypes\fP
Identifies the supported list of session key encryption types that
-should be requested by the client, in order of preference from
-highest to lowest. The format is the same as for
+the client should request when making an AS\-REQ, in order of
+preference from highest to lowest. The format is the same as for
default_tgs_enctypes. The default value for this tag is
\fBaes256\-cts\-hmac\-sha1\-96 aes128\-cts\-hmac\-sha1\-96 des3\-cbc\-sha1 arcfour\-hmac\-md5 camellia256\-cts\-cmac camellia128\-cts\-cmac des\-cbc\-crc des\-cbc\-md5 des\-cbc\-md4\fP, but single\-DES encryption types will be implicitly
removed from this list if the value of \fBallow_weak_crypto\fP is
false.
+.sp
+Do not set this unless required for specific backward
+compatibility purposes; stale values of this setting can prevent
+clients from taking advantage of new stronger enctypes when the
+libraries are upgraded.
.TP
.B \fBdns_lookup_kdc\fP
Indicate whether DNS SRV records should be used to locate the KDCs