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| author | Laurence J. Lane <ljlane@debian.org> | 2013-08-24 17:37:55 -0400 |
|---|---|---|
| committer | Florian Westphal <fw@strlen.de> | 2013-08-24 23:48:52 +0200 |
| commit | f70e1d675ae70f607e28ea07d8e024ccf283374a (patch) | |
| tree | 3679b405e87a1d4ecfebd446c97b49b0fbad1851 /extensions | |
| parent | 8fa26de310ce7b12232329222260afaec825c9df (diff) | |
iptables: libxt_string.man add examples
Add usage examples for string and hex string patterns.
References: http://bugs.debian.org/699904
Signed-off-by: Laurence J. Lane <ljlane@debian.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'extensions')
| -rw-r--r-- | extensions/libxt_string.man | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/extensions/libxt_string.man b/extensions/libxt_string.man index b6b271d1..adc9c180 100644 --- a/extensions/libxt_string.man +++ b/extensions/libxt_string.man @@ -16,3 +16,13 @@ Matches the given pattern. .TP [\fB!\fP] \fB\-\-hex\-string\fP \fIpattern\fP Matches the given pattern in hex notation. +.TP +Examples: +.IP +# The string pattern can be used for simple text characters. +.br +iptables \-A INPUT \-p tcp \-\-dport 80 \-m string \-\-algo bm \-\-string 'GET /index.html' \-j LOG +.IP +# The hex string pattern can be used for non-printable characters, like |0D 0A| or |0D0A|. +.br +iptables \-p udp \-\-dport 53 \-m string \-\-algo bm \-\-from 40 \-\-to 57 \-\-hex\-string '|03|www|09|netfilter|03|org|00|' |