{"id":233,"date":"2004-12-30T02:26:31","date_gmt":"2004-12-30T00:26:31","guid":{"rendered":"http:\/\/gnu.inter.it\/blogs\/fabu\/?p=233"},"modified":"2004-12-30T02:26:31","modified_gmt":"2004-12-30T00:26:31","slug":"arp-crocchi","status":"publish","type":"post","link":"https:\/\/fabioinvernizzi.com\/blog\/2004\/12\/30\/arp-crocchi\/","title":{"rendered":"ARP-CROCCHI"},"content":{"rendered":"<p>Ovvero accrocchi di arp.<\/p>\n<p>E&#8217; gi\u00e0 un po&#8217; che mi chiedo cosa sia sto&#8217; giochino di fastweb:<\/p>\n<p>system.log:<br \/>\n<code>Dec 30 02:13:39 arancia kernel: arp: 1.xxx.yyy.176 moved from 00:00:0c:07:ac:00 to 00:03:6f:00:a1:cc on en0<\/code><\/p>\n<p>shell:<br \/>\n<code>Welcome to Darwin!<br \/>\narancia:~ fabio$ arp -a<br \/>\n? (1.xxx.yyy.1) at 0:0:c:7:ac:0 on en0 [ethernet]<br \/>\narancia:~ fabio$ ping 1.xxx.yyy.176<br \/>\nPING 1.xxx.yyy.176 (1.xxx.yyy.176): 56 data bytes<br \/>\n64 bytes from 1.xxx.yyy.176: icmp_seq=0 ttl=254 time=7.241 ms<br \/>\n64 bytes from 1.xxx.yyy.176: icmp_seq=1 ttl=255 time=5.858 ms<br \/>\n64 bytes from 1.xxx.yyy.176: icmp_seq=2 ttl=255 time=3.954 ms<br \/>\n^C<br \/>\n--- 1.xxx.yyy.176 ping statistics ---<br \/>\n3 packets transmitted, 3 packets received, 0% packet loss<br \/>\nround-trip min\/avg\/max = 3.954\/5.684\/7.241 ms<br \/>\narancia:~ fabio$ arp -a<br \/>\n? (1.xxx.yyy.1) at 0:0:c:7:ac:0 on en0 [ethernet]<br \/>\n? (1.xxx.yyy.176) at 0:3:6f:0:a1:cc on en0 [ethernet]<br \/>\n<\/code><\/p>\n<p>(il .1 \u00e8 il default gw, il .176 l&#8217;hag di casa mia)<\/p>\n<p>Il tutto capita esattamente ogni 30 minuti.<br \/>\nBoh&#8230; appena ho un po&#8217; di voglia ci sbatter\u00f2 la testa (magari con una macchina linux!)<\/p>\n<p><b>UPDATE<\/b>: mi sa che \u00e8 una vaccata: macosx (*bsd?) quando trova un nuovo mac address segnala un cambio di arp dal default gw a quel mac address&#8230; burp!<br \/>\n(questa volta fastweb non centra proprio nulla)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ovvero accrocchi di arp. E&#8217; gi\u00e0 un po&#8217; che mi chiedo cosa sia sto&#8217; giochino di fastweb: system.log: Dec 30 02:13:39 arancia kernel: arp: 1.xxx.yyy.176 moved from 00:00:0c:07:ac:00 to 00:03:6f:00:a1:cc on en0 shell: Welcome to Darwin! arancia:~ fabio$ arp -a ? (1.xxx.yyy.1) at 0:0:c:7:ac:0 on en0 [ethernet] arancia:~ fabio$ ping 1.xxx.yyy.176 PING 1.xxx.yyy.176 (1.xxx.yyy.176): 56 &hellip; <a href=\"https:\/\/fabioinvernizzi.com\/blog\/2004\/12\/30\/arp-crocchi\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">ARP-CROCCHI<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[2],"tags":[3],"class_list":["post-233","post","type-post","status-publish","format-standard","hentry","category-me","tag-hacking"],"_links":{"self":[{"href":"https:\/\/fabioinvernizzi.com\/blog\/wp-json\/wp\/v2\/posts\/233"}],"collection":[{"href":"https:\/\/fabioinvernizzi.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fabioinvernizzi.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fabioinvernizzi.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/fabioinvernizzi.com\/blog\/wp-json\/wp\/v2\/comments?post=233"}],"version-history":[{"count":0,"href":"https:\/\/fabioinvernizzi.com\/blog\/wp-json\/wp\/v2\/posts\/233\/revisions"}],"wp:attachment":[{"href":"https:\/\/fabioinvernizzi.com\/blog\/wp-json\/wp\/v2\/media?parent=233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fabioinvernizzi.com\/blog\/wp-json\/wp\/v2\/categories?post=233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fabioinvernizzi.com\/blog\/wp-json\/wp\/v2\/tags?post=233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}