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<p class="MsoNormal"><span lang="EL" style="mso-fareast-language:EN-US">Καλησπέρα,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EL" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EL" style="mso-fareast-language:EN-US">Όντως ενδιαφέρον συμβάν. Προσωπικά, δεν βλέπω να έχει κάποια ευθύνη η
</span><span style="mso-fareast-language:EN-US">Google</span><span lang="EL" style="mso-fareast-language:EN-US">.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EL" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EL" style="mso-fareast-language:EN-US">Σχετικά με το
</span><span style="mso-fareast-language:EN-US">RPKI</span><span lang="EL" style="mso-fareast-language:EN-US">, αν και θα έλυνε αρκετά θέματα, θεωρώ ότι απαιτεί μεγάλο ποσοστό υλοποίησης για να λειτουργήσει. Συνεπώς, μου φαντάζει λίγο ουτοπικό.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EL" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EL" style="mso-fareast-language:EN-US">Θα θεωρούσα πιο εύκολη τη λύση του
</span><span style="mso-fareast-language:EN-US">prefix</span><span style="mso-fareast-language:EN-US">
</span><span style="mso-fareast-language:EN-US">filtering</span><span lang="EL" style="mso-fareast-language:EN-US"> προς πελάτες από τους λίγους μεγάλους παρόχους.
</span><span style="mso-fareast-language:EN-US">Αντίστοιχα εύκολη θεωρώ και τη χρήση του Peer Locking.<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 lang="EL" style="mso-fareast-language:EN-US">Δυστυχώς όμως, όσο αυτό δεν προκαλεί ζημιά προς τους ίδιους τους παρόχους, φοβάμαι ότι δε θα αλλάξει κάτι. Από την άλλη, αν φτάσουμε στο σημείο να υπάρχει σχετική ρύθμιση από τρίτους και
ευθύνη των παρόχων για τέτοιες πράξεις, πιθανώς να σώσουμε μερικά δέντρα και να χάσουμε το δάσος.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EL" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="EL" style="font-size:10.5pt;color:black">Φιλικά,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black"> </span><span lang="EL" style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> </span><span lang="EL" style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> </span><span lang="EL" style="color:black"><o:p></o:p></span></p>
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<td width="102" style="width:76.3pt;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal"><a href="http://www.connecticore.com/"><b><span style="font-size:13.0pt;color:#EF3F2F;text-decoration:none"><img border="0" width="74" height="74" id="_x0000_i1025" src="cid:image001.png@01D3DC98.E4AA44A0" alt="id:5E6E4B51-9051-4F92-883B-EC9737BFDE79"></span></b></a><o:p></o:p></p>
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<td width="378" style="width:283.5pt;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal"><b><span style="font-size:10.0pt;color:#1686BC">Spyros Kakaroukas</span></b><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;color:#1686BC">IP & Data Manager / CCIE #36537</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:6.0pt;color:#EF4030"> </span><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;color:#404040">Connecticore SA</span></b><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:8.0pt;color:#404040">78 Kifisias Avenue, Marousi, 15125, Greece</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:8.0pt;color:#404040">T: +30 211 000 7089 | M: +30 695 676 0684</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="IT" style="font-size:8.0pt;color:#404040">F: +30 211 000 7099 | E: s.kakaroukas@connecticore.com</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="FR" style="font-size:13.5pt;color:green;mso-fareast-language:EL;layout-grid-mode:line"> </span><span style="color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:Webdings;color:#1686BC;mso-fareast-language:EN-US;layout-grid-mode:line">P</span><span style="font-size:13.5pt;font-family:"Arial",sans-serif;color:#1686BC;mso-fareast-language:EN-US;layout-grid-mode:line">
</span><span style="font-size:7.5pt;color:#1686BC;mso-fareast-language:EN-US;layout-grid-mode:line">Consider our environment – Think before you print</span><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#1686BC;mso-fareast-language:EN-US;layout-grid-mode:line">
</span><span style="font-size:13.5pt;font-family:Webdings;color:#1686BC;mso-fareast-language:EN-US;layout-grid-mode:line">ü</span><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#1686BC;mso-fareast-language:EN-US;layout-grid-mode:line"> </span><span style="mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black"><grnog-request@lists.grnog.gr> on behalf of Αλέξανδρος Σταμάτης <a.stamatis@hostmein.net><br>
<b>Organization: </b>HostMeIn Cloud Solutions<br>
<b>Reply-To: </b>"grnog@lists.grnog.gr" <grnog@lists.grnog.gr><br>
<b>Date: </b>Wednesday, 25 April 2018 at 12:09<br>
<b>To: </b>"grnog@lists.grnog.gr" <grnog@lists.grnog.gr><br>
<b>Cc: </b>Myron Lasithiotakis <myrlas@otenet.gr><br>
<b>Subject: </b>Re: [grnog] BGP hijacking + DNS hijacking + ανυποψίαστοι χρήστες...<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
</div>
<p>Καλημέρα,<o:p></o:p></p>
<p>Νομίζω εάν δεν πάνε όλοι σε RPKI αυτά τα φαινόμενα απλά θα συνεχίσουν να υπάρχουν.<o:p></o:p></p>
<p><o:p> </o:p></p>
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<div>
<p class="MsoNormal"><span style="font-family:"Courier",serif">---<br>
</span>Με<span style="font-family:"Courier",serif"> </span>εκτίμηση<span style="font-family:"Courier",serif">,<br>
Kind Regards,<br>
<br>
Alexander Stamatis,<br>
Chief Technology Officer<br>
<br>
HostMeIn </span>ΙΚΕ<span style="font-family:"Courier",serif"><br>
Internet Services<br>
32 Kifisias ave, 151 25, Marousi, Athens (Atrina Tower)<br>
Tel: +30 212 213 5061<br>
<br>
Like us on Facebook : <a href="https://www.facebook.com/HostMeIn" target="_blank">
https://www.facebook.com/HostMeIn</a><br>
Follow us on Twitter : <a href="https://twitter.com/HostMeIn" target="_blank">https://twitter.com/HostMeIn</a><o:p></o:p></span></p>
</div>
</div>
<p><o:p> </o:p></p>
<p>Στις 25-04-2018 11:55, Myron Lasithiotakis έγραψε:<o:p></o:p></p>
<blockquote style="border:none;border-left:solid #1010FF 1.5pt;padding:0in 0in 0in 5.0pt;margin-left:0in;margin-right:0in">
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<p class="MsoNormal">Καλημέρα<span style="font-family:"Courier",serif"> </span>σε<span style="font-family:"Courier",serif"> </span>όλους<span style="font-family:"Courier",serif">,<br>
<br>
</span>Ίσως<span style="font-family:"Courier",serif"> </span>διαβάσατε<span style="font-family:"Courier",serif"> </span>την<span style="font-family:"Courier",serif"> </span>ιστορία<span style="font-family:"Courier",serif">.<br>
<a href="https://www.theregister.co.uk/2018/04/24/myetherwallet_dns_hijack/">https://www.theregister.co.uk/2018/04/24/myetherwallet_dns_hijack/</a><br>
<br>
</span>Εν<span style="font-family:"Courier",serif"> </span>συντομία<span style="font-family:"Courier",serif"> :<br>
<br>
</span>Κά<span style="font-family:"Courier",serif">π</span>οιοι<span style="font-family:"Courier",serif">
</span>κάνουν<span style="font-family:"Courier",serif"> BGP hijack </span>και<span style="font-family:"Courier",serif">
</span>ανακοινώνουν<span style="font-family:"Courier",serif"> </span>μέσω<span style="font-family:"Courier",serif">
</span>ενος<span style="font-family:"Courier",serif"> hosting provider (eNet AS10297),<br>
</span>δίκτυα<span style="font-family:"Courier",serif"> </span>της<span style="font-family:"Courier",serif"> Amazon π</span>ου<span style="font-family:"Courier",serif"> </span>χρησιμο<span style="font-family:"Courier",serif">π</span>οιεί<span style="font-family:"Courier",serif"> </span>για<span style="font-family:"Courier",serif"> DNS Services.<br>
<br>
</span>Εκεί<span style="font-family:"Courier",serif"> </span>σηκώνουν<span style="font-family:"Courier",serif"> DNS service
</span>το<span style="font-family:"Courier",serif"> </span>ο<span style="font-family:"Courier",serif">π</span>οίο<span style="font-family:"Courier",serif">
</span>ε<span style="font-family:"Courier",serif">π</span>ιστρέφει<span style="font-family:"Courier",serif">
</span>την<span style="font-family:"Courier",serif"> IP </span>ενός<span style="font-family:"Courier",serif"> phishing site
</span>σε<span style="font-family:"Courier",serif"> </span>όσους<span style="font-family:"Courier",serif">
</span>ζητούν<span style="font-family:"Courier",serif"> </span>το<span style="font-family:"Courier",serif"> MyEtherWallet.com<br>
<br>
</span>Ορισμένοι<span style="font-family:"Courier",serif"> </span>χρήστες<span style="font-family:"Courier",serif">
</span>αγνοούν<span style="font-family:"Courier",serif"> </span>την<span style="font-family:"Courier",serif"> π</span>ροειδο<span style="font-family:"Courier",serif">π</span>οίηση<span style="font-family:"Courier",serif">
</span>για<span style="font-family:"Courier",serif"> </span>το<span style="font-family:"Courier",serif"> self-signed SSL certificate
</span>του<span style="font-family:"Courier",serif"> phishing site,<br>
</span>ο<span style="font-family:"Courier",serif">π</span>ότε<span style="font-family:"Courier",serif">
</span>χρησιμο<span style="font-family:"Courier",serif">π</span>οιώντας<span style="font-family:"Courier",serif"> π</span>λέον<span style="font-family:"Courier",serif">
</span>τα<span style="font-family:"Courier",serif"> </span>στοιχεία<span style="font-family:"Courier",serif">
</span>τους<span style="font-family:"Courier",serif"> </span>ξεκινούν<span style="font-family:"Courier",serif">
</span>μεταφορές<span style="font-family:"Courier",serif"> Ethereum </span>στο<span style="font-family:"Courier",serif"> π</span>ορτοφόλι<span style="font-family:"Courier",serif">
</span>των<span style="font-family:"Courier",serif"> Cybercriminals<br>
(<a href="https://etherscan.io/address/0xb3aaaae47070264f3595c5032ee94b620a583a39">https://etherscan.io/address/0xb3aaaae47070264f3595c5032ee94b620a583a39</a>)<br>
<br>
<br>
</span>Για<span style="font-family:"Courier",serif"> </span>το<span style="font-family:"Courier",serif">
</span>θέμα<span style="font-family:"Courier",serif"> </span>του<span style="font-family:"Courier",serif"> BGP Routing Policy / Filtering
</span>έχουν<span style="font-family:"Courier",serif"> </span>γραφτεί<span style="font-family:"Courier",serif">
</span>τόσα<span style="font-family:"Courier",serif"> π</span>ολλά<span style="font-family:"Courier",serif">, π</span>αρ<span style="font-family:"Courier",serif">'</span>ολα<span style="font-family:"Courier",serif">
</span>αυτά<span style="font-family:"Courier",serif"><br>
π</span>άντα<span style="font-family:"Courier",serif"> </span>βρίσκεται<span style="font-family:"Courier",serif">
</span>κά<span style="font-family:"Courier",serif">π</span>οιος<span style="font-family:"Courier",serif">
</span>αδύναμος<span style="font-family:"Courier",serif"> </span>κρίκος<span style="font-family:"Courier",serif">.
</span>Αυτή<span style="font-family:"Courier",serif"> </span>τη<span style="font-family:"Courier",serif">
</span>φορά<span style="font-family:"Courier",serif"> </span>φαίνεται<span style="font-family:"Courier",serif">
</span>να<span style="font-family:"Courier",serif"> </span>ηταν<span style="font-family:"Courier",serif">
</span>η<span style="font-family:"Courier",serif"> Hurricane Electric<br>
π</span>ου<span style="font-family:"Courier",serif"> </span>δέχτηκε<span style="font-family:"Courier",serif">
</span>τα<span style="font-family:"Courier",serif"> </span>δίκτυα<span style="font-family:"Courier",serif">
</span>α<span style="font-family:"Courier",serif">π</span>ό<span style="font-family:"Courier",serif">
</span>την<span style="font-family:"Courier",serif"> eNet, </span>ό<span style="font-family:"Courier",serif">π</span>ως<span style="font-family:"Courier",serif">
</span>και<span style="font-family:"Courier",serif"> </span>η<span style="font-family:"Courier",serif"> eNet
</span>η<span style="font-family:"Courier",serif"> </span>ο<span style="font-family:"Courier",serif">π</span>οία<span style="font-family:"Courier",serif">
</span>δέχτηκε<span style="font-family:"Courier",serif"> </span>τα<span style="font-family:"Courier",serif">
</span>δίκτυα<span style="font-family:"Courier",serif"> </span>υ<span style="font-family:"Courier",serif">π</span>οθέτω<span style="font-family:"Courier",serif"><br>
</span>α<span style="font-family:"Courier",serif">π</span>ό<span style="font-family:"Courier",serif">
</span>κά<span style="font-family:"Courier",serif">π</span>οιον<span style="font-family:"Courier",serif"> "π</span>ελάτη<span style="font-family:"Courier",serif">"
</span>της<span style="font-family:"Courier",serif"> </span>με<span style="font-family:"Courier",serif">
</span>τον<span style="font-family:"Courier",serif"> </span>ο<span style="font-family:"Courier",serif">π</span>οίο<span style="font-family:"Courier",serif">
</span>έχει<span style="font-family:"Courier",serif"> BGP session (</span>εκτός<span style="font-family:"Courier",serif">
</span>αν<span style="font-family:"Courier",serif"> </span>α<span style="font-family:"Courier",serif">π</span>έκτησαν<span style="font-family:"Courier",serif"> π</span>ρόσβαση<span style="font-family:"Courier",serif">
</span>σε<span style="font-family:"Courier",serif"> routers/servers </span>της<span style="font-family:"Courier",serif"> eNet).<br>
<br>
A</span>υτό<span style="font-family:"Courier",serif"> π</span>ου<span style="font-family:"Courier",serif">
</span>δε<span style="font-family:"Courier",serif"> </span>κατάλαβα<span style="font-family:"Courier",serif">
</span>καλά<span style="font-family:"Courier",serif"> </span>είναι<span style="font-family:"Courier",serif">
</span>γιατί<span style="font-family:"Courier",serif"> </span>κά<span style="font-family:"Courier",serif">π</span>οιοι<span style="font-family:"Courier",serif">
</span>ρίχνουν<span style="font-family:"Courier",serif"> </span>ευθύνες<span style="font-family:"Courier",serif">
</span>και<span style="font-family:"Courier",serif"> </span>στην<span style="font-family:"Courier",serif"> Google<br>
</span>της<span style="font-family:"Courier",serif"> </span>ο<span style="font-family:"Courier",serif">π</span>οίας<span style="font-family:"Courier",serif">
</span>οι<span style="font-family:"Courier",serif"> DNS </span>δέχτηκαν<span style="font-family:"Courier",serif">
</span>την<span style="font-family:"Courier",serif"> </span>αλλαγή<span style="font-family:"Courier",serif">
</span>της<span style="font-family:"Courier",serif"> IP, </span>ενώ<span style="font-family:"Courier",serif">
</span>για<span style="font-family:"Courier",serif"> π</span>αράδειγμα<span style="font-family:"Courier",serif">
</span>αυτοί<span style="font-family:"Courier",serif"> </span>της<span style="font-family:"Courier",serif"> Cloudflare (1.1.1.1) :)<br>
</span>δεν<span style="font-family:"Courier",serif"> </span>άλλαξαν<span style="font-family:"Courier",serif"> </span>τις<span style="font-family:"Courier",serif"> </span>α<span style="font-family:"Courier",serif">π</span>αντήσεις<span style="font-family:"Courier",serif"> </span>τους<span style="font-family:"Courier",serif"> </span>για<span style="font-family:"Courier",serif"> </span>το<span style="font-family:"Courier",serif"> myetherwallet.com<br>
<br>
<a href="https://twitter.com/GossiTheDog/status/988873775285460992">https://twitter.com/GossiTheDog/status/988873775285460992</a><br>
<br>
</span>Φιλικά<span style="font-family:"Courier",serif">,<br>
</span>Λασηθιωτάκης<span style="font-family:"Courier",serif"> </span>Μύρων<span style="font-family:"Courier",serif"><o:p></o:p></span></p>
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