diff --git a/configure.ac b/configure.ac
index 129010458..f7a009655 100644
--- a/configure.ac
+++ b/configure.ac
@@ -186,7 +186,7 @@ AC_ARG_ENABLE(fortress,
 
 if test "$ENABLED_FORTRESS" = "yes"
 then
-    AM_CFLAGS="$AM_CFLAGS -DOPENSSL_EXTRA -DCYASSL_DES_ECB -DCYASSL_AES_COUNTER -DCYASSL_AES_DIRECT -DCYASSL_DER_LOAD"
+    AM_CFLAGS="$AM_CFLAGS -DFORTRESS -DBIG_SESSION_CACHE -DOPENSSL_EXTRA -DCYASSL_DES_ECB -DCYASSL_AES_COUNTER -DCYASSL_AES_DIRECT -DCYASSL_DER_LOAD"
 fi
 
 
diff --git a/cyassl/internal.h b/cyassl/internal.h
index c0e32cff2..ca87b5ba4 100644
--- a/cyassl/internal.h
+++ b/cyassl/internal.h
@@ -356,7 +356,11 @@ enum Misc {
     MAX_PSK_ID_LEN     = 128,  /* max psk identity/hint supported */
     MAX_PSK_KEY_LEN    =  64,  /* max psk key supported */
 
+#ifdef FORTRESS
+    MAX_CHAIN_DEPTH    =   9,  /* max cert chain peer depth, FORTRESS option */
+#else
     MAX_CHAIN_DEPTH    =   4,  /* max cert chain peer depth */
+#endif
     MAX_X509_SIZE      = 2048, /* max static x509 buffer size */
     CERT_MIN_SIZE      =  256, /* min PEM cert size with header/footer */
     MAX_FILENAME_SZ    =  256, /* max file name length */
diff --git a/src/ssl.c b/src/ssl.c
index 505c010d7..e6a2553a7 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -530,8 +530,10 @@ int AddCA(CYASSL_CTX* ctx, buffer der, int type)
     /* basic config gives a cache with 33 sessions, adequate for clients and
        embedded servers
 
-       BIG_SESSION_CACHE allows 1055 sessions, adequate for servers that aren't
-       under heavy load, basically allows 200 new sessions per minute
+       MEDIUM_SESSION_CACHE allows 1055 sessions, adequate for servers that
+       aren't under heavy load, basically allows 200 new sessions per minute
+
+       BIG_SESSION_CACHE yields 20,0027 sessions
 
        HUGE_SESSION_CACHE yields 65,791 sessions, for servers under heavy load,
        allows over 13,000 new sessions per minute or over 200 new sessions per
@@ -545,6 +547,9 @@ int AddCA(CYASSL_CTX* ctx, buffer der, int type)
         #define SESSIONS_PER_ROW 11
         #define SESSION_ROWS 5981
     #elif defined(BIG_SESSION_CACHE)
+        #define SESSIONS_PER_ROW 7
+        #define SESSION_ROWS 2861
+    #elif defined(MEDIUM_SESSION_CACHE)
         #define SESSIONS_PER_ROW 5
         #define SESSION_ROWS 211
     #elif defined(SMALL_SESSION_CACHE)