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-rw-r--r--src/configure.in6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/configure.in b/src/configure.in
index 26f8f3909..3200c32a4 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -15,6 +15,12 @@ AC_MSG_RESULT($krb5_cv_prog_gcc)
dnl
dnl The following lines are so that configure --help gives some global
dnl configuration options.
+dnl
+AC_ARG_ENABLE([kdc-replay-cache],
+[ --enable-kdc-replay-cache check for replayed/retransmitted KDC requests
+ (recommended for replay attack detection
+ when hardware preauthentication is in use)
+ --disable-kdc-replay-cache omit replay detection])dnl
KRB5_LIB_AUX
AC_KRB5_TCL
AC_ARG_ENABLE([athena],