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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>
          <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEW
           </td>
           <td>RESOLVED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">CC</td>
           <td>
                
           </td>
           <td>pablo@netfilter.org
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           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>WONTFIX
           </td>
         </tr></table>
      <p>
        <div>
            <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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