diff --git a/config.go b/config.go
index 63d3360a..a0ff80dc 100644
--- a/config.go
+++ b/config.go
@@ -50,8 +50,8 @@ const (
 	blockMaxSizeMin              = 1000
 	blockMaxSizeMax              = wire.MaxBlockPayload - 1000
 	defaultGenerate              = false
-	defaultMaxOrphanTransactions = 1000
-	defaultMaxOrphanTxSize       = 5000
+	defaultMaxOrphanTransactions = 100
+	defaultMaxOrphanTxSize       = mempool.MaxStandardTxSize
 	defaultSigCacheMaxSize       = 100000
 	sampleConfigFilename         = "sample-btcd.conf"
 	defaultTxIndex               = false
diff --git a/doc.go b/doc.go
index 22f43df2..42c76e20 100644
--- a/doc.go
+++ b/doc.go
@@ -94,7 +94,7 @@ Application Options:
       --norelaypriority     Do not require free or low-fee transactions to have
                             high priority for relaying
       --maxorphantx=        Max number of orphan transactions to keep in memory
-                            (1000)
+                            (100)
       --generate            Generate (mine) bitcoins using the CPU
       --miningaddr=         Add the specified payment address to the list of
                             addresses to use for generated blocks -- At least
diff --git a/mempool/policy.go b/mempool/policy.go
index 58482c99..0e5fb1ff 100644
--- a/mempool/policy.go
+++ b/mempool/policy.go
@@ -19,10 +19,10 @@ const (
 	// that are considered standard in a pay-to-script-hash script.
 	maxStandardP2SHSigOps = 15
 
-	// maxStandardTxSize is the maximum size allowed for transactions that
+	// MaxStandardTxSize is the maximum size allowed for transactions that
 	// are considered standard and will therefore be relayed and considered
 	// for mining.
-	maxStandardTxSize = 100000
+	MaxStandardTxSize = 100000
 
 	// maxStandardSigScriptSize is the maximum size allowed for a
 	// transaction input signature script to be considered standard.  This
@@ -276,9 +276,9 @@ func checkTransactionStandard(tx *btcutil.Tx, height int32,
 	// size of a transaction.  This also helps mitigate CPU exhaustion
 	// attacks.
 	serializedLen := msgTx.SerializeSize()
-	if serializedLen > maxStandardTxSize {
+	if serializedLen > MaxStandardTxSize {
 		str := fmt.Sprintf("transaction size of %v is larger than max "+
-			"allowed size of %v", serializedLen, maxStandardTxSize)
+			"allowed size of %v", serializedLen, MaxStandardTxSize)
 		return txRuleError(wire.RejectNonstandard, str)
 	}
 
diff --git a/mempool/policy_test.go b/mempool/policy_test.go
index d616d6ed..9b4e660c 100644
--- a/mempool/policy_test.go
+++ b/mempool/policy_test.go
@@ -41,13 +41,13 @@ func TestCalcMinRequiredTxRelayFee(t *testing.T) {
 		},
 		{
 			"max standard tx size with default minimum relay fee",
-			maxStandardTxSize,
+			MaxStandardTxSize,
 			DefaultMinRelayTxFee,
 			100000,
 		},
 		{
 			"max standard tx size with max satoshi relay fee",
-			maxStandardTxSize,
+			MaxStandardTxSize,
 			btcutil.MaxSatoshi,
 			btcutil.MaxSatoshi,
 		},
@@ -360,7 +360,7 @@ func TestCheckTransactionStandard(t *testing.T) {
 				TxOut: []*wire.TxOut{{
 					Value: 0,
 					PkScript: bytes.Repeat([]byte{0x00},
-						maxStandardTxSize+1),
+						MaxStandardTxSize+1),
 				}},
 				LockTime: 0,
 			},
diff --git a/sample-btcd.conf b/sample-btcd.conf
index 9a8bc55b..7d4996ed 100644
--- a/sample-btcd.conf
+++ b/sample-btcd.conf
@@ -236,8 +236,8 @@
 ; Require high priority for relaying free or low-fee transactions.
 ; norelaypriority=0
 
-; Limit orphan transaction pool to 1000 transactions.
-; maxorphantx=1000
+; Limit orphan transaction pool to 100 transactions.
+; maxorphantx=100
 
 ; Do not accept transactions from remote peers.
 ; blocksonly=1