{"id":2356,"date":"2011-10-19T15:09:35","date_gmt":"2011-10-19T15:09:35","guid":{"rendered":"http:\/\/megahost.ro\/blog\/?p=2356"},"modified":"2019-04-08T12:08:21","modified_gmt":"2019-04-08T12:08:21","slug":"server-dedicat-cum-sa-opresti-raspunsurile-la-ping","status":"publish","type":"post","link":"https:\/\/megahost.ro\/blog\/server-dedicat-cum-sa-opresti-raspunsurile-la-ping.html","title":{"rendered":"Cum sa opresti raspunsurile la PING pe un server dedicat?"},"content":{"rendered":"<p>Daca aveti un <a title=\"server dedicat\" href=\"https:\/\/megahost.ro\/servere-dedicate.php\">server dedicat<\/a>, este posibil sa doriti sa dezactivati raspunsurile ping, fie din motive de sercuritate, fie pentru a evita congestionarea retelei. Cineva ar putea sa &#8220;inunde&#8221; reteaua cu ping -f de exemplu, insa daca raspunsul ping este dezactivat, acest lucru poate fi evitat.<\/p>\n<p>Puteti dezactiva temporar raspunsurile ping folosind urmatoare metoda:<\/p>\n<p># echo &#8220;1&#8221; &gt; \/proc\/sys\/net\/ipv4\/icmp_echo_ignore_all.<\/p>\n<p>De mentionat ca, aceasta setare este valabila atata timp cat serverul este pornit, dupa un restart aceasta setare nu mai este valabila.<\/p>\n<p>Pentru a reactiva raspunsurile ping, folositi comanda:<\/p>\n<p># echo &#8220;1&#8221; &gt; \/proc\/sys\/net\/ipv4\/icmp_echo_ingnore_all<\/p>\n<p>Daca doriti sa dezactivati permanent raspunsurile ping, se procedeaza astfel:<\/p>\n<p>&#8211; se editeaza fisierul sysctl.conf, de obicei aflat in folderul \/etc\/<br \/>\n&#8211; in acest fisier, se adauga urmatoarea linie: net.ipv4.icmp_echo_ignore_all = 1<br \/>\n&#8211; se salveaza fisierul sysctl.conf<br \/>\n&#8211; se executa comanda: sysctl -p pentru a aplica imediat aceasta setare<\/p>\n<p>Comanda sysctl -p incarca setarile sysctl din fisierul de configurare sysctl.conf<\/p>\n<p>Daca raspunsul ping este dezactivat, cand cineva lanseaza o comanda ping catre ip-ul serverului dvs., acesta nu va raspunde la ping, chiar daca serverul este online si functional.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Daca aveti un server dedicat, este posibil sa doriti sa dezactivati raspunsurile ping, fie din motive de sercuritate, fie pentru a evita congestionarea retelei. Cineva ar putea sa &#8220;inunde&#8221; reteaua cu ping -f de exemplu&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[184],"tags":[383,690],"class_list":["post-2356","post","type-post","status-publish","format-standard","hentry","category-server-dedicat","tag-ping","tag-server-dedicat"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"Daca aveti un server dedicat, este posibil sa doriti sa dezactivati raspunsurile ping, fie din motive de sercuritate, fie pentru a evita congestionarea retelei. 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