diff --git a/src/TEShell.C b/src/TEShell.C
index fd557150..9344879d 100644
--- a/src/TEShell.C
+++ b/src/TEShell.C
@@ -102,7 +102,7 @@ void Shell::makeShell(const char* dev, QStrList & args,
 // only used internally. See `run' for interface
 { int sig; char* t;
   // open and set all standard files to master/slave tty
-  int tt = open(dev, O_RDWR);
+  int tt = open(dev, O_RDWR | O_EXCL);
    
   //reset signal handlers for child process
   for (sig = 1; sig < NSIG; sig++) signal(sig,SIG_DFL);
@@ -134,11 +134,13 @@ void Shell::makeShell(const char* dev, QStrList & args,
   close(open(dev, O_WRONLY, 0));       // clients (bash,vi). Because bash
   setpgid(0,0);                        // heals this, use '-e' to test it.
 
+/*
 #if defined(TIOCSPTLCK)
   int flag = 1;                        // Linux-only security solution:
   if (ioctl(fd,TIOCSPTLCK,&flag))      // prohibit opening tty from now on
 #endif
     perror("Warning: The session is insecure.");
+*/
   close(fd);
   
   // drop privileges
diff --git a/src/TEmuVt102.C b/src/TEmuVt102.C
index 1419f00b..c95bad8d 100644
--- a/src/TEmuVt102.C
+++ b/src/TEmuVt102.C
@@ -778,8 +778,8 @@ void VT102Emulation::onKeyPress( QKeyEvent* ev )
     case Key_F11       : sendString("\033[23~" ); return;
     case Key_F12       : sendString("\033[24~" ); return;
 
-    case Key_Home      : sendString("\033[7~"  ); return;
-    case Key_End       : sendString("\033[8~"  ); return;
+    case Key_Home      : sendString("\033[H"  ); return;
+    case Key_End       : sendString("\033[F"  ); return;
     case Key_Prior     : sendString("\033[5~"  ); return;
     case Key_Next      : sendString("\033[6~"  ); return;
     case Key_Insert    : sendString("\033[2~"  ); return;