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Restrict hypen as range separator to use with integers

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
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Tom Eastep 2016-10-16 13:26:44 -07:00
parent 04051454bf
commit 4bb942f1f9
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2 changed files with 3 additions and 2 deletions
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2
Shorewall/Perl/Shorewall/IPAddrs.pm
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@ -436,7 +436,7 @@ sub validate_portpair( $$ ) {
# #
# Accept '-' as a port-range separator # Accept '-' as a port-range separator
# #
$pair =~ tr/-/:/; $pair =~ tr/-/:/ if $pair =~ /^[-0-9]+$/;
fatal_error "Invalid port range ($portpair)" if $pair =~ tr/:/:/ > 1; fatal_error "Invalid port range ($portpair)" if $pair =~ tr/:/:/ > 1;

3
docs/configuration_file_basics.xml
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@ -2621,7 +2621,8 @@ DNAT net loc:192.168.1.3 tcp <emphasis role="bold">4000:4100<
"!4000:4100").</para> "!4000:4100").</para>
<para>Beginning with Shorewall 5.0.14, a hyphen ("-") may also be used to <para>Beginning with Shorewall 5.0.14, a hyphen ("-") may also be used to
separate the two port numbers.</para> separate the two port numbers; when using service names, the colon must
still be used.</para>
<programlisting>#ACTION SOURCE DESTINATION PROTO DPORT <programlisting>#ACTION SOURCE DESTINATION PROTO DPORT
DNAT net loc:192.168.1.3 tcp <emphasis role="bold">4000-4100</emphasis></programlisting> DNAT net loc:192.168.1.3 tcp <emphasis role="bold">4000-4100</emphasis></programlisting>