diff --git a/src/chatsrc/CHAT.PO b/src/chatsrc/CHAT.PO
index c38aa56..74d4d60 100644
Binary files a/src/chatsrc/CHAT.PO and b/src/chatsrc/CHAT.PO differ
diff --git a/src/chatsrc/chat.pla b/src/chatsrc/chat.pla
index a04dee1..28892a2 100644
--- a/src/chatsrc/chat.pla
+++ b/src/chatsrc/chat.pla
@@ -32,18 +32,19 @@ import inet
     end
 end
 
-const VERSION = 3
 const txtline = $07D0
 const inbuf   = $0200
 const instr   = $01FF
 
 byte[4] serverIP
+word[] fileinfo
+word version
 word port, timeout
 word update_list, update_len
 byte response
-byte hellopkt  = $DA, $7E, VERSION, VERSION >> 8, $00, $00, $A2, 'H'
+byte hellopkt  = $DA, $7E, 0, 0, $00, $00, $A2, 'H'
 byte[9] handle = ""
-byte chatpkt   = $DA, $7E, VERSION, VERSION >> 8, $00, $01, $A2, 'C'
+byte chatpkt   = $DA, $7E, 0, 0, $00, $01, $A2, 'C'
 byte[33] msg
 //
 // DEBUG
@@ -113,6 +114,9 @@ def recvUDP(ipsrc, portsrc, data, len, param)
 	    break;
 	is 'E'
 	    puts("Server error!"); putln
+	    break
+	otherwise
+	    puts("Unkwown server packet:"); putc(response)
     wend
 end
 
@@ -178,6 +182,21 @@ def kbstr
     until inlen == $FF
     return instr
 end
+
+//
+// CHAT session
+//
+fileinfo = heapmark()
+fileinfo->0 = $0A
+fileinfo=>1 = "VERSION"
+if !syscall($C4, fileinfo)
+    version = fileinfo=>5 // AUX type has version #
+else
+    version = 1
+fin
+hellopkt:2 = version
+chatpkt:2  = version
+puts("CHAT cliet version:"); puti(version); putln
 if !iNet:initIP()
     return -1
 fin
@@ -187,7 +206,7 @@ repeat
     if ^instr
         if iNet:resolveIP(instr, @serverIP)
             repeat
-                puts("Enter chat handle (7 characters or less)\n")
+                puts("Enter chat handle (7 characters or less)")
 		gets(':'+$80)
 	    until ^instr > 0 and ^instr < 8
 	    memcpy(@handle, instr, ^instr + 1)
diff --git a/src/chatsrc/chatserver/chat-version.xml b/src/chatsrc/chatserver/chat-version.xml
index 94acfd7..249eb1e 100644
--- a/src/chatsrc/chatserver/chat-version.xml
+++ b/src/chatsrc/chatserver/chat-version.xml
@@ -10,8 +10,10 @@
   <file name="UPDATE"        type="0xFE" aux="0x1000" mask="0x0080"/>
   <file name="CHAT"          type="0xFE" aux="0x1000" mask="0x0100"/>
   <file name="AUTORUN"       type="0x06" aux="0x0000" mask="0x0200"/>
-  <current level="3"/>
+  <file name="VERSION"       type="0x06" aux="4" mask="0x0400"/>
+  <current level="4"/>
   <version level="1" updates="0x0000"/>
   <version level="2" updates="0x0180"/>
   <version level="3" updates="0x0380"/>
+  <version level="4" updates="0x0408"/>
 </chat>
diff --git a/src/chatsrc/chatserver/client.py b/src/chatsrc/chatserver/client.py
index 0facd64..5383451 100755
--- a/src/chatsrc/chatserver/client.py
+++ b/src/chatsrc/chatserver/client.py
@@ -3,7 +3,7 @@ import sys, struct, socket, select
 
 server = ("localhost", 0x6502)
 myhandle = "Python"
-VERSION = 3
+VERSION = 4
 
 if len(sys.argv) > 1:
     server = (sys.argv[1], 0x6502)
diff --git a/src/chatsrc/chatserver/clientfiles/CHAT b/src/chatsrc/chatserver/clientfiles/CHAT
index a0e6e4c..349b21c 100644
Binary files a/src/chatsrc/chatserver/clientfiles/CHAT and b/src/chatsrc/chatserver/clientfiles/CHAT differ
diff --git a/src/chatsrc/chatserver/clientfiles/UTHERNET2 b/src/chatsrc/chatserver/clientfiles/UTHERNET2
index 6ab44d6..0efd94c 100644
Binary files a/src/chatsrc/chatserver/clientfiles/UTHERNET2 and b/src/chatsrc/chatserver/clientfiles/UTHERNET2 differ
diff --git a/src/chatsrc/chatserver/clientfiles/VERSION b/src/chatsrc/chatserver/clientfiles/VERSION
new file mode 100644
index 0000000..e69de29
diff --git a/src/libsrc/uthernet2.pla b/src/libsrc/uthernet2.pla
index 1baffff..c6316e8 100644
--- a/src/libsrc/uthernet2.pla
+++ b/src/libsrc/uthernet2.pla
@@ -722,6 +722,9 @@ def wizServiceIP
     if ir
         wiz = @wizChannel
         for i = 0 to 3
+	    //
+	    // Socket activity
+	    //
             if ir & (1 << i)
                 wizregs = wiz=>channel_regs
 		wizdata = wiz=>channel_rxmem
@@ -811,11 +814,29 @@ def wizServiceIP
 				    pokereg(wiz=>channel_regs + WIZ_SnCR, $10) // CLOSE
 			    wend
 			fin
-                    wend
+                wend
             fin
             wiz = wiz + t_channel
         next
-    fin    
+	if ir & $80
+    	    //
+	    // IP conflict
+	    //
+	    pokereg(WIZ_IR, $80)
+    	fin
+    	if ir & $40
+    	    //
+	    // Destination unreachable
+	    //
+	    pokereg(WIZ_IR, $40)
+    	fin
+    	if ir & $20
+    	    //
+	    // PPOE connection close
+	    //
+	    pokereg(WIZ_IR, $20)
+    	fin
+    fin
 end
 //
 // Set the local IP addresses