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<body><span class="vcard"><a class="email" href="mailto:pablo@netfilter.org" title="Pablo Neira Ayuso <pablo@netfilter.org>"> <span class="fn">Pablo Neira Ayuso</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - manpage: mention that REJECT should be used with care"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=988">bug 988</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
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<td style="text-align:right;">CC</td>
<td>
</td>
<td>pablo@netfilter.org
</td>
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<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>WONTFIX
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - manpage: mention that REJECT should be used with care"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=988#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - manpage: mention that REJECT should be used with care"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=988">bug 988</a>
from <span class="vcard"><a class="email" href="mailto:pablo@netfilter.org" title="Pablo Neira Ayuso <pablo@netfilter.org>"> <span class="fn">Pablo Neira Ayuso</span></a>
</span></b>
<pre>(In reply to Denys Vlasenko from <a href="show_bug.cgi?id=988#c0">comment #0</a>)
<span class="quote">> I've got a user report. They are using the following set of rules:
>
> -m state --state ESTABLISHED,RELATED -j ACCEPT
> -m state --state NEW -m tcp -p tcp --dport 21 -j ACCEPT
> ...<more open port snipped>...
> -j REJECT --reject-with icmp-host-prohibited</span >
People have to handle the INVALID state, which is the one that those invalid
checksum packets are reaching.
I mean, there are four ct states, and it's a good practise if your ruleset
handles them all.</pre>
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