From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ralf <rm@amitrader.com>
Subject: Re: iptables return code 256
Date: Fri, 20 Feb 2009 22:58:37 +0100
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Jan Engelhardt wrote:
> On Friday 2009-02-20 21:33, Ralf wrote:
> 
>> Sometimes an insert operation (-I) fails and iptables returns 256.
>> Under which circumstances can iptables give a return code 256 ?
> 
> Never should this happen, because the lower 8 bits of 256 that
> make up the exist status are 0 actually.
> Or where do you see 256?

int rc = system(sz);    // sz="iptables ..."

rc is sometimes definitely 256 !

What does it mean?