diff --git a/init.cpp b/init.cpp
index 04bdd68cd..9c84dca16 100644
--- a/init.cpp
+++ b/init.cpp
@@ -175,7 +175,7 @@ bool AppInit2(int argc, char* argv[])
             "  -proxy=<ip:port> \t  "   + _("Connect through socks4 proxy\n") +
             "  -addnode=<ip>    \t  "   + _("Add a node to connect to\n") +
             "  -connect=<ip>    \t\t  " + _("Connect only to the specified node\n") +
-            "  -nolisten        \t  "   + _("Don't accept connections from outside") +
+            "  -nolisten        \t  "   + _("Don't accept connections from outside\n") +
             "  -paytxfee=<amt>  \t  "   + _("Fee per KB to add to transactions you send\n") +
             "  -server          \t\t  " + _("Accept command line and JSON-RPC commands\n") +
             "  -daemon          \t\t  " + _("Run in the background as a daemon and accept commands\n") +
diff --git a/net.cpp b/net.cpp
index 0ba147bf7..d18b63eb5 100644
--- a/net.cpp
+++ b/net.cpp
@@ -741,7 +741,7 @@ void ThreadSocketHandler2(void* parg)
                     CDataStream& vRecv = pnode->vRecv;
                     unsigned int nPos = vRecv.size();
 
-                    if (nPos > 1000*GetArg("-maxreceivebuffer", 2*1000)) {
+                    if (nPos > 1000*GetArg("-maxreceivebuffer", 10*1000)) {
                         if (!pnode->fDisconnect)
                             printf("socket recv flood control disconnect (%d bytes)\n", vRecv.size());
                         pnode->CloseSocketDisconnect();
@@ -806,7 +806,7 @@ void ThreadSocketHandler2(void* parg)
                                 pnode->CloseSocketDisconnect();
                             }
                         }
-                        if (vSend.size() > 1000*GetArg("-maxsendbuffer", 256)) {
+                        if (vSend.size() > 1000*GetArg("-maxsendbuffer", 10*1000)) {
                             if (!pnode->fDisconnect)
                                 printf("socket send flood control disconnect (%d bytes)\n", vSend.size());
                             pnode->CloseSocketDisconnect();
diff --git a/rpc.cpp b/rpc.cpp
index 1c6f228e5..dd94acc05 100644
--- a/rpc.cpp
+++ b/rpc.cpp
@@ -381,6 +381,12 @@ Value setaccount(const Array& params, bool fHelp)
             "Sets the account associated with the given address.");
 
     string strAddress = params[0].get_str();
+    uint160 hash160;
+    bool isValid = AddressToHash160(strAddress, hash160);
+    if (!isValid)
+        throw JSONRPCError(-5, "Invalid bitcoin address");
+
+
     string strAccount;
     if (params.size() > 1)
         strAccount = AccountFromValue(params[1]);
diff --git a/util.cpp b/util.cpp
index 8518e2797..8a2f9d525 100644
--- a/util.cpp
+++ b/util.cpp
@@ -313,7 +313,12 @@ void ParseString(const string& str, char c, vector<string>& v)
 
 string FormatMoney(int64 n, bool fPlus)
 {
-    string str = strprintf("%.08f", double(n > 0 ? n : -n)/double(COIN));
+    // Note: not using straight sprintf here because we do NOT want
+    // localized number formatting.
+    int64 n_abs = (n > 0 ? n : -n);
+    int64 quotient = n_abs/COIN;
+    int64 remainder = n_abs%COIN;
+    string str = strprintf("%"PRI64d".%08"PRI64d, quotient, remainder);
 
     // Right-trim excess 0's before the decimal point:
     int nTrim = 0;