Index: cpan/libnet/lib/Net/Cmd.pm
===================================================================
--- cpan/libnet/lib/Net/Cmd.pm.orig
+++ cpan/libnet/lib/Net/Cmd.pm
@@ -290,6 +290,10 @@ sub command {
     $str = $cmd->toascii($str) if $tr;
     $str .= "\015\012";
 
+    # encode to individual utf8 bytes if
+    # $str is a string (in internal UTF-8)
+    utf8::encode($str) if utf8::is_utf8($str);
+
     $cmd->debug_print(1, $str)
       if ($cmd->debug);
 
@@ -525,6 +529,10 @@ sub rawdatasend {
   return 0
     if $cmd->_is_closed;
 
+  # encode to individual utf8 bytes if
+  # $line is a string (in internal UTF-8)
+  utf8::encode($line) if utf8::is_utf8($line);
+
   return 1
     unless length($line);
 
Index: t/porting/customized.dat
===================================================================
--- t/porting/customized.dat.orig
+++ t/porting/customized.dat
@@ -164,7 +164,7 @@ bignum cpan/bignum/lib/bignum.pm e999973
 bignum cpan/bignum/lib/bigrat.pm 7fccc9df30e43dbbae6e5ea91b26c8046545c9a9
 bignum cpan/bignum/lib/Math/BigFloat/Trace.pm a6b4b995e18f4083252e6dc72e9bef69671893dd
 bignum cpan/bignum/lib/Math/BigInt/Trace.pm d9596963673760cae3eeeb752c1eeeec50bb2290
-libnet cpan/libnet/lib/Net/Cmd.pm a44a10c939a4c35f923c4638054178c32f1d283a
+libnet cpan/libnet/lib/Net/Cmd.pm 3f34ca6479008268714bd02962624d270d04a01e
 libnet cpan/libnet/lib/Net/Config.pm 2167a2653b40c9f94e6d52574829532e62394a17
 libnet cpan/libnet/lib/Net/Domain.pm 1bbed50f70fd1ff3e1cdf087b19a9349cddfaced
 libnet cpan/libnet/lib/Net/FTP.pm 40dba553c8d44e1530daec2d07a6e50910401f2e