Re: [PATCH] Bring Time::Local to 1.07

[p5sagit/p5-mst-13.2.git] / pod / perlport.pod

diff --git a/pod/perlport.pod b/pod/perlport.pod
index cdf30ab..6052481 100644 (file)
--- a/pod/perlport.pod
+++ b/pod/perlport.pod
@@ -192,8 +192,8 @@ There may well be others.  For example, on an EBCDIC implementation
 such as z/OS (OS/390) or OS/400 (using the ILE, the PASE is ASCII-based)
 the above material is similar to "Unix" but the code numbers change:
 
-    LF  eq  \025  eq  \x15  eq           chr(21)  eq  CP-1047 21
-    LF  eq  \045  eq  \x25  eq  \cU  eq  chr(37)  eq  CP-0037 37
+    LF  eq  \025  eq  \x15  eq  \cU  eq  chr(21)  eq  CP-1047 21
+    LF  eq  \045  eq  \x25  eq           chr(37)  eq  CP-0037 37
     CR  eq  \015  eq  \x0D  eq  \cM  eq  chr(13)  eq  CP-1047 13
     CR  eq  \015  eq  \x0D  eq  \cM  eq  chr(13)  eq  CP-0037 13
 
@@ -487,6 +487,20 @@ To convert $Config{perlpath} to a file pathname, say:
   if ($^O ne 'VMS')
      {$thisperl .= $Config{_exe} unless $thisperl =~ m/$Config{_exe}$/i;}
 
+=head2 Networking
+
+Don't assume that you can reach the public Internet.
+
+Don't assume that there is only one way to get through firewalls
+to the public Internet.
+
+Don't assume that you can reach yourself or any node by the name
+'localhost'.  The same goes for '127.0.0.1'.
+
+Don't assume that any particular port (service) will respond.
+
+Don't assume that you can ping hosts and get replies.
+
 =head2 Interprocess Communication (IPC)
 
 In general, don't directly access the system in code meant to be