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    <div class="moz-cite-prefix">On 10/06/2013 10:02 PM, Eero Volotinen
      wrote:<br>
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cite="mid:CABzZrXc2_pbj1=WvWtF+TTfuK9A7X6H4R+9w9oZxHf4xwvrepA@mail.gmail.com"
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0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
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                                      <font size="-1"><font size="-1">In
                                          iptables configuration I have:<br>
                                          <br>
                                          -A INPUT -p icmp -s <font
                                            size="-1">111.<font
                                              size="-1">111.111.111</font></font>
                                          -j ACCEPT (my <font size="-1">home)</font><br>
                                          -A INPUT -p icmp -s <font
                                            size="-1">222.222.222.222</font>
                                          -j ACCEPT (my office)<br>
                                          <br>
                                          <font size="-1">also
                                            commenting <font size="-1"><font
                                                size="-1">on all</font>
                                              l<font size="-1">ines<font
                                                  size="-1"> (#), the
                                                  result <font
                                                    size="-1">do<font
                                                      size="-1">es n<font
                                                        size="-1">ot
                                                        change<br>
                                                        <br>
                                                        <font size="-1">at
                                                          <font
                                                          size="-1">righ<font
                                                          size="-1">t
                                                          time, <font
                                                          size="-1">I
                                                          have commented
                                                          all<font
                                                          size="-1">
                                                          line<font
                                                          size="-1">s
                                                          (#) in sys<font
                                                          size="-1">ctl
                                                          but result
                                                          does not
                                                          change<br>
                                                          <font
                                                          size="-1">in
                                                          conso<font
                                                          size="-1">le,
                                                          <font
                                                          size="-1">after

                                                          <font
                                                          size="-1">the
                                                          change, I
                                                          gave:<br>
                                                          <br>
                                                          <font
                                                          size="-1"># <font
                                                          size="-1">s<font
                                                          size="-1">udo
                                                          sysctl -p<br>
                                                          <br>
                                                          <font
                                                          size="-1">where

                                                          <font
                                                          size="-1">is
                                                          the<font
                                                          size="-1">
                                                          problem<font
                                                          size="-1">?<br>
                                                          <font
                                                          size="-1">thanks

                                                          in advance</font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></font></div>
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            <div>Hi,</div>
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            </div>
            <div>Set the following parameters in /etc/sysctl.conf (if
              this is related to sysctl.conf)</div>
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              <p style="margin:0px;font-size:11px;font-family:Menlo">
                net.ipv4.icmp_echo_ignore_broadcasts = 0 </p>
              <p style="margin:0px;font-size:11px;font-family:Menlo">net.ipv4.icmp_echo_ignore_all
                = 0</p>
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            </div>
            <div>--</div>
            <div>Eero</div>
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    </blockquote>
    hi Eero,<br>
    <br>
    I've solved the problem<br>
    for now, many thanks<br>
    <br>
    bye<br>
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