Re: [PATCH v2] iptables: libxt_string.man add example

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Laurence J. Lane <ljlane@xxxxxxxxxx> wrote:
> diff --git a/extensions/libxt_string.man b/extensions/libxt_string.man
> index b6b271d..ab395b2 100644
> --- a/extensions/libxt_string.man
> +++ b/extensions/libxt_string.man
> @@ -16,3 +16,9 @@ Matches the given pattern.
>  .TP
>  [\fB!\fP] \fB\-\-hex\-string\fP \fIpattern\fP
>  Matches the given pattern in hex notation.
> +.TP
> +Example: log HTTP GET requests for /test using string and hex string patterns
> +.IP
> +iptables \-A INPUT \-p tcp \-\-dport 80 \-m string \-\-algo bm \-\-string 'GET /test' \-j LOG
> +.IP
> +iptables \-A INPUT \-p tcp \-\-dport 80 \-m string \-\-algo bm \-\-hex\-string '|474554202F74657374|' \-j LOG

The second example doesn't make much sense to me, IMHO, since there is
no reason to use hex instead of ascii for this.

What about something like
-p udp --dport 53 -m string --algo bm --from 40 --to 57 --hex-string '|03|www|09|netfilter|03|org|00|'

?
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