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The "$max_repeat_loops" register limits the number of times a repeat loop can "go round". This blocks denial of service attacks that try to cause infiniate loops in a Rope script.
When a repeat loop goes round more than this number of times, the script aborts with a hotdrop status returned to IpTables, and an error message is added to the syslog file, containing the text..
repeat: looped too often.
The script can change it's own setting for this value (up to a configured hard-coded maximum) using put, like this..
50 $max_repeat_loops put
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