Error (network unreachable) resolving



  • Bonjour,

    Je possède 2 serveurs VPS et les deux, ce matin, étaient inaccessibles : Délai d'attente dépassé lors des tests ping, impossibilité de se connecter en ssh, etc.

    dans les logs du premier serveur j'ai :

    
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 2001:503:ba3e::2:30#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './NS/IN': 2001:503:ba3e::2:30#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 128.63.2.53#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './NS/IN': 128.63.2.53#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 2001:500:2d::d#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './NS/IN': 2001:500:2d::d#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 2001:7fe::53#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './NS/IN': 2001:7fe::53#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 2001:500:2f::f#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './NS/IN': 2001:500:2f::f#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 193.0.14.129#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './NS/IN': 193.0.14.129#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 192.33.4.12#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './NS/IN': 192.33.4.12#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 2001:503:c27::2:30#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './NS/IN': 2001:503:c27::2:30#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 192.203.230.10#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './NS/IN': 192.203.230.10#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 199.7.83.42#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './NS/IN': 199.7.83.42#53
    Sep 28 10:16:10 vps-XXXX named[1538]: error (network unreachable) resolving './DNSKEY/IN': 192.228.79.201#53
    Sep 28 10:16:10 vps-XXXX named[1538]: managed-keys-zone ./IN: Unable to fetch DNSKEY set '.': failure
    
    

    Puis les seuls logs jusqu'au hard reboot que j'ai du faire à 11h16 sont :

    
    Sep 28 10:20:01 vps-XXXX /USR/SBIN/CRON[24428]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp)
    Sep 28 10:40:01 vps-XXXX /USR/SBIN/CRON[24697]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp)
    Sep 28 11:00:01 vps-XXXX /USR/SBIN/CRON[24965]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp)
    Sep 28 11:06:01 vps-XXXX /USR/SBIN/CRON[25059]: (root) CMD (cd / && run-parts --report /etc/cron.hourly)
    
    

    Sur mon deuxième VPS, je n'ai que ces logs donc je ne comprends pas pourquoi il a planté également :

    Sep 28 10:09:01 vps-YYYY /USR/SBIN/CRON[26169]: (root) CMD (  [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $(/usr/lib/php5/maxlifetime))
    Sep 28 10:20:01 vps-YYYY /USR/SBIN/CRON[26356]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp)
    Sep 28 10:38:01 vps-YYYY /USR/SBIN/CRON[26677]: (root) CMD (cd / && run-parts –report /etc/cron.hourly)
    Sep 28 10:39:01 vps-YYYY /USR/SBIN/CRON[26692]: (root) CMD (  [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $(/usr/lib/php5/maxlifetime))
    Sep 28 10:40:01 vps-YYYY /USR/SBIN/CRON[26716]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp)
    Sep 28 11:00:01 vps-YYYY /USR/SBIN/CRON[27062]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp)
    Sep 28 11:09:01 vps-YYYY /USR/SBIN/CRON[27232]: (root) CMD (  [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $(/usr/lib/php5/maxlifetime))

    J'ai ouvert un ticket auprès du support mais dedans, les informations ne sont pas aussi complètes.

    Est-ce dû à une mauvaise configuration de mon serveur ? ou un problème sur l'infra ?

    Merci d'avance pour vos retour.

    Cdt,


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