{"id":1162,"date":"2015-09-28T17:55:17","date_gmt":"2015-09-28T16:55:17","guid":{"rendered":"http:\/\/diablo.craem.net\/?p=1162"},"modified":"2015-09-28T17:55:17","modified_gmt":"2015-09-28T16:55:17","slug":"bloquear-skype-con-cisco-asa","status":"publish","type":"post","link":"https:\/\/diablo.craem.net\/?p=1162","title":{"rendered":"Bloquear skype con cisco ASA"},"content":{"rendered":"<p>Esta vez, me ha tocado bloquear el skype en una empresa&#8230; con el cisco asa, a diferencia del iptables, la inspecci\u00f3n a nivel 7, es un poco limitada.<br \/>\nHe iniciado el skype y veo que las conexiones son a varias ip&#8217;s y, no puedo bloquear todas, ya que iba haciendo y aparec\u00ed\u00adan nuevas.<br \/>\nLo m\u00e1s sencillo&#8230; he mirado los AS que tiene skype:<br \/>\n<code><br \/>\nhttps:\/\/www.tcpiputils.com\/search?q=skype<br \/>\n198015\tSkype Communications Sarl\tLU\t1\t\t17\t0<br \/>\n198097\tSkype Communications Sarl\tLU\t2\t\t27\t0<br \/>\n<\/code><br \/>\nCon estos datos, miramos los rangos de ip&#8217;s de cada uno:<br \/>\n<code><br \/>\nhttps:\/\/www.tcpiputils.com\/browse\/as\/198015<br \/>\nhttps:\/\/www.tcpiputils.com\/browse\/as\/198097<br \/>\n<\/code><br \/>\nresumiendo&#8230;. hacemos una regla para aplicar en el interface inside del asa<br \/>\n<code><br \/>\nobject-group network redesSkype<br \/>\n network-object 91.190.216.0 255.255.255.0<br \/>\n network-object 91.190.217.0 255.255.255.0<br \/>\n network-object 91.190.218.0 255.255.255.0<br \/>\n network-object 91.190.219.0 255.255.255.0<br \/>\n network-object 91.190.220.0 255.255.255.0<br \/>\naccess-list aplicarInside extended deny ip any object-group redesSkype<br \/>\naccess-group aplicarInside in interface inside<br \/>\n<\/code><br \/>\nY con \u00e9sto, ya tenemos bloqueado el skype \ud83d\ude09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Esta vez, me ha tocado bloquear el skype en una empresa&#8230; con el cisco asa, a diferencia del iptables, la inspecci\u00f3n a nivel 7, es un poco limitada. He iniciado el skype y veo que las conexiones son a varias ip&#8217;s y, no puedo bloquear todas, ya que iba haciendo y aparec\u00ed\u00adan nuevas. Lo m\u00e1s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,8],"tags":[25,37,41,173],"class_list":["post-1162","post","type-post","status-publish","format-standard","hentry","category-cisco","category-varios","tag-asa","tag-bloquear-skype","tag-cisco","tag-skype"],"_links":{"self":[{"href":"https:\/\/diablo.craem.net\/index.php?rest_route=\/wp\/v2\/posts\/1162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diablo.craem.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diablo.craem.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diablo.craem.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diablo.craem.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1162"}],"version-history":[{"count":0,"href":"https:\/\/diablo.craem.net\/index.php?rest_route=\/wp\/v2\/posts\/1162\/revisions"}],"wp:attachment":[{"href":"https:\/\/diablo.craem.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diablo.craem.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diablo.craem.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}