Hallo Dirk,
Ich habe deine Vorschläge umgesetzt, doch leider sind wieder Netzwerkaussetzer
zu verzeichnen.
Den Zusammenhang mit der Nichtereichbarkeit des DNS-servers von Belwue versuche ich jetzt mit Belwue
zu klären.
Aber die anderen Ipv6-anfragen (s. angehängten sylog-auszug) führen immer noch
zu Netzwerkabbrüchen.
Ich hffe ich habe es richtig umgesetzt.
Frage: Die neu zu erstellende Datei muss im Namen mit 01- beginnen?
Die in /etc/sysctl.d/ enthaltenen Dateien beginnen alle mit 10- bzw 30-. Ist
das korrekt?
Danke für deine Hilfe
Viele Grüße
Heinrich
Am 30.06.2015 um 21:02 schrieb Dirk Zöllner:
Hallo Heinrich,
Die Ausgabe des Befehls
ip addr show | grep inet6
sollte die IPv6-Adresse ausgeben.
Ich bin die IPv6-Abfragen (DNS) wie folgt losgeworden (deaktivieren IPv6):
Neue Datei anlegen
/etc/sysctl.d/01-disable-ipv6.conf
mit Inhalt
net.ipv6.conf.all.disable_ipv6 = 1
Server-Neustart
Anschließend mit
ip addr show | grep inet6
überprüfen, keine Ausgabe.
Bind:
In der Datei
/etc/bind/named.conf.options
zwischen
options {
directory "/var/cache/bind";
.
.
.
};
die Zeile
listen-on-v6 { none; };
einfügen. Damit reagiert Bind nicht mehr auf IPv6-Anfragen.
VG
Dirk
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Jul 3 10:36:07 bsk1 named[1443]: error (network unreachable) resolving
'safebrowsing.cache.l.google.com/A/IN': 2001:503:a83e$
Jul 3 10:38:51 bsk1 named[1443]: error (network unreachable) resolving
'tiles.cdn.mozilla.net/A/IN': 2001:503:231d::2:30#53
Jul 3 11:35:43 bsk1 named[1443]: error (network unreachable) resolving
'adfarm.mediaplex.com/A/IN': 2001:503:a83e::2:30#53
Jul 3 11:36:03 bsk1 named[1443]: error (network unreachable) resolving
'aus4.mozilla.org/A/IN': 2001:503:ba3e::2:30#53
Jul 3 11:52:36 bsk1 named[1443]: error (network unreachable) resolving
'dr.cl.china-online.com.cn/A/IN': 2001:dc7::1#53
Jul 3 12:00:01 bsk1 CRON[9371]: (www-data) CMD (test -x /usr/bin/php && ! test
-f /tmp/kronolith-cron.lock && touch /tmp/kro$
Jul 3 12:00:16 bsk1 named[1443]: error (network unreachable) resolving
'ctldl.windowsupdate.nsatc.net/A/IN': 2001:503:a83e::$
Jul 3 12:00:16 bsk1 named[1443]: error (network unreachable) resolving
'ctldl.windowsupdate.nsatc.net/A/IN': 2001:503:231d::$
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'ns4.google.com/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'ns1.google.com/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'ns2.google.com/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'./NS/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'c.gtld-servers.net/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'd.gtld-servers.net/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'e.gtld-servers.net/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'g.gtld-servers.net/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'h.gtld-servers.net/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'k.gtld-servers.net/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'j.gtld-servers.net/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'i.gtld-servers.net/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'l.gtld-servers.net/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:18 bsk1 named[1443]: error (network unreachable) resolving
'f.gtld-servers.net/AAAA/IN': 2001:503:ba3e::2:30#53
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'zc.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30#53
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'ns1-1.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30#53
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'ns2-193.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30$
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'ns5-193.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30$
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'ns6-193.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30$
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'ns4-193.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30$
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'ns3-193.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30$
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'ns7-193.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30$
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'zd.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30#53
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'ze.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30#53
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'zg.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30#53
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'zh.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30#53
Jul 3 12:00:22 bsk1 named[1443]: error (network unreachable) resolving
'zi.akamaitech.net/AAAA/IN': 2001:503:a83e::2:30#53
Jul 3 12:00:26 bsk1 named[1443]: success resolving './NS' (in '.'?) after
disabling EDNS
Jul 3 12:00:30 bsk1 named[1443]: success resolving 'dns.msftncsi.com/A' (in
'msftncsi.com'?) after disabling EDNS
Jul 3 12:01:01 bsk1 CRON[9390]: (www-data) CMD (test -x /usr/bin/php && ! test
-f /tmp/kronolith-cron.lock && touch /tmp/kro$
Jul 3 12:02:34 bsk1 nagios3: HOST ALERT: dns2.belwue.de;DOWN;SOFT;1;PING
CRITICAL - Packet loss = 100%
Jul 3 12:03:44 bsk1 nagios3: HOST ALERT: dns2.belwue.de;DOWN;SOFT;2;PING
CRITICAL - Packet loss = 100%
Jul 3 12:04:44 bsk1 nagios3: Auto-save of retention data completed
successfully.
Jul 3 12:04:49 bsk1 dhcpd: DHCPREQUEST for 10.16.206.2 from 00:19:99:cd:b6:89
via eth0
Jul 3 12:04:49 bsk1 dhcpd: DHCPACK on 10.16.206.2 to 00:19:99:cd:b6:89 via eth0
Jul 3 12:04:54 bsk1 nagios3: HOST ALERT: dns2.belwue.de;UP;SOFT;3;PING OK -
Packet loss = 0%, RTA = 16.47 ms
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