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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Indeed, it is extremely used.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>This new threat seems to behave like a worm. What was the last worm-like virus?<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>I recall sql slammer or something like that in early 2000. <o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Was there any other very popular worm between 2003 and now?<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Thanks<br>Jean<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> NANOG <nanog-bounces+jean=ddostest.me@nanog.org> <b>On Behalf Of </b>Alain Hebert<br><b>Sent:</b> December 13, 2021 3:01 PM<br><b>To:</b> nanog@nanog.org<br><b>Subject:</b> Re: Log4j mitigation<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> Well,<br><br> In my experience, it is a really widely used library. It has been pretty much the de-facto standard for logging for a long while.<br><br><br>IMHO<br><br> So anything Java (and exposed obviously) need a review...<br><br><br>Best Practices<br><br> As a standard we always tent to push our customers to more light-weight logging library with less magic.<br><br><br>PS: And it is not the first time Log4j ended causing headaches... For those wondering. I remember back in 2017 when everyone was angrily saying they'll change for something else...<br><br> <a href="https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=log4j">https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=log4j</a><br><br><br><o:p></o:p></p><pre>-----<o:p></o:p></pre><pre>Alain Hebert <a href="mailto:ahebert@pubnix.net">ahebert@pubnix.net</a> <o:p></o:p></pre><pre>PubNIX Inc. <o:p></o:p></pre><pre>50 boul. St-Charles<o:p></o:p></pre><pre>P.O. Box 26770 Beaconsfield, Quebec H9W 6G7<o:p></o:p></pre><pre>Tel: 514-990-5911 <a href="http://www.pubnix.net">http://www.pubnix.net</a> Fax: 514-990-9443<o:p></o:p></pre><div><p class=MsoNormal>On 12/13/21 14:24, Owen DeLong via NANOG wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre>The bigger problem seems to be the ever growing list of products you may be using which depend on it potentially without your knowledge.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Owen<o:p></o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre>On Dec 11, 2021, at 03:41 , Jared Mauch <a href="mailto:jared@puck.nether.net"><jared@puck.nether.net></a> wrote:<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>This is largely a patching exercise for people that use the software. If you use it, please patch. <o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Sent via RFC1925 complaint device<o:p></o:p></pre><pre><o:p> </o:p></pre><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre>On Dec 10, 2021, at 10:59 PM, Andy Ringsmuth <a href="mailto:andy@andyring.com"><andy@andyring.com></a> wrote:<o:p></o:p></pre><pre><o:p> </o:p></pre><pre><span style='font-family:"Tahoma",sans-serif'></span>The intricacies of Java are over my head, but I’ve been reading about this Log4j issue that sounds pretty bad.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>What do we know about this? What, if anything, can a network operator do to help mitigate this? Or even an end user?<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>----<o:p></o:p></pre><pre>Andy Ringsmuth<o:p></o:p></pre><pre>5609 Harding Drive<o:p></o:p></pre><pre>Lincoln, NE 68521-5831<o:p></o:p></pre><pre>(402) 304-0083<o:p></o:p></pre><pre><a href="mailto:andy@andyring.com">andy@andyring.com</a><o:p></o:p></pre></blockquote></blockquote><pre><o:p> </o:p></pre></blockquote><p class=MsoNormal><o:p> </o:p></p></div></body></html>