diff options
Diffstat (limited to 'pod/perlsec.pod')
| -rw-r--r-- | pod/perlsec.pod | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/pod/perlsec.pod b/pod/perlsec.pod index 5961200f4d..3e44e5bea4 100644 --- a/pod/perlsec.pod +++ b/pod/perlsec.pod @@ -141,6 +141,17 @@ locale-aware program, and want to launder data with a regular expression containing C<\w>, put C<no locale> ahead of the expression in the same block. See L<perllocale/SECURITY> for further discussion and examples. +=head2 Switches On the "#!" Line + +When you make a script executable, in order to make it usable as a +command, the system will pass switches to perl from the script's #! +line. Perl checks that any command-line switches given to a setuid +(or setgid) script actually match the ones set on the #! line. Some +UNIX and UNIX-like environments impose a one-switch limit on the #! +line, so you may need to use something like C<-wU> instead of C<-w -U> +under such systems. (This issue should arise only in UNIX or +UNIX-like environments that support #! and setuid or setgid scripts.) + =head2 Cleaning Up Your Path For "Insecure C<$ENV{PATH}>" messages, you need to set C<$ENV{'PATH'}> to a |