{"id":83908,"date":"2020-06-03T19:42:59","date_gmt":"2020-06-03T17:42:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/mikrotik-split-dns-oni-eto-sdelali"},"modified":"2020-12-21T09:35:04","modified_gmt":"2020-12-21T07:35:04","slug":"mikrotik-split-dns-oni-eto-sdelali","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/administrirovanie\/mikrotik-split-dns-oni-eto-sdelali","title":{"rendered":"Mikrotik split-dns : ils l'ont fait","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Il ne s'est \u00e9coul\u00e9 que 10 ans depuis que les d\u00e9veloppeurs de RoS (dans la version stable 6.47) ont ajout\u00e9 une fonctionnalit\u00e9 qui permet de rediriger les requ\u00eates DNS selon des r\u00e8gles sp\u00e9cifiques. Auparavant, il fallait se d\u00e9brouiller avec des r\u00e8gles Layer-7 dans le pare-feu, mais maintenant c'est fait de mani\u00e8re simple et \u00e9l\u00e9gante :<\/p>\n

\/ip dns static\nadd forward-to=192.168.88.3 regexp=\".*\\.test1\\.localdomain\" type=FWD\nadd forward-to=192.168.88.56 regexp=\".*\\.test2\\.localdomain\" type=FWD\n<\/code><\/pre>\n
Mon bonheur n'a pas de limites !
\n<\/a><\/noindex><\/p>\n
Qu'est-ce que cela implique pour nous ?<\/h2>\n
Au minimum, nous nous d\u00e9barrassons des constructions \u00e9tranges avec NAT semblables \u00e0 celle-ci :<\/p>\n
\n\/ip firewall layer7-protocol\nadd comment=\"DNS Nat contoso.com\" name=contoso.com regexp=\"\\x07contoso\\x03com\"\n\/ip firewall mangle\nadd action=mark-packet chain=prerouting comment=\"mark dns contoso.com\" dst-address-type=local dst-port=53 in-interface-list=DNSMASQ layer7-protocol=contoso.com new-packet-mark=dns-contoso.com passthrough=yes protocol=udp\nadd action=mark-packet chain=prerouting comment=\"mark dns contoso.com\" dst-address-type=local dst-port=53 in-interface-list=DNSMASQ layer7-protocol=contoso.com new-packet-mark=dns-contoso.com passthrough=yes protocol=tcp\n\/ip firewall nat\nadd action=dst-nat chain=dstnat comment=\"DST-NAT dns contoso.com\" dst-port=53 in-interface-list=DNSMASQ packet-mark=dns-contoso.com protocol=udp to-addresses=192.0.2.15\nadd action=dst-nat chain=dstnat comment=\"DST-NAT dns contoso.com\" dst-port=53 in-interface-list=DNSMASQ packet-mark=dns-contoso.com protocol=tcp to-addresses=192.0.2.15\nadd action=masquerade chain=srcnat comment=\"mask dns contoso.com\" dst-port=53 packet-mark=dns-contoso.com protocol=udp\nadd action=masquerade chain=srcnat comment=\"mask dns contoso.com\" dst-port=53 packet-mark=dns-contoso.com protocol=tcp\n<\/code><\/pre>\n
Et ce n'est pas tout, il est maintenant possible de d\u00e9finir plusieurs serveurs<\/a> transferts, ce qui facilitera la mise en place d'un failover DNS.
\nLe traitement intelligent des DNS permettra de commencer \u00e0 impl\u00e9menter l'IPv6 dans le r\u00e9seau de l'entreprise. Avant cela, je ne l'avais pas fait, car il fallait que je r\u00e9solve un certain nombre de noms DNS en adresses locales, et cela \u00e9tait impossible avec l'IPv6 sans des techniques assez compliqu\u00e9es.<\/p>\n
Source : habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
\u041d\u0435 \u043f\u0440\u043e\u0448\u043b\u043e \u0438 10 \u043b\u0435\u0442, \u043a\u0430\u043a \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 RoS (\u0432 stable 6.47) \u0434\u043e\u0431\u0430\u0432\u0438\u043b\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u0430\u0432\u0438\u0442\u044c DNS \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441\u043e \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u0430\u043c\u0438. \u0415\u0441\u043b\u0438 \u0440\u0430\u043d\u044c\u0448\u0435 \u043d\u0430\u0434\u043e \u0431\u044b\u043b\u043e \u0438\u0437\u0432\u043e\u0440\u0430\u0447\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u0441 Layer-7 \u043f\u0440\u0430\u0432\u0438\u043b\u0430\u043c\u0438 \u0432 firewall, \u0442\u043e \u0442\u0435\u043f\u0435\u0440\u044c \u044d\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0441\u0442\u043e \u0438 \u0438\u0437\u044f\u0449\u043d\u043e: \/ip dns static add forward-to=192.168.88.3 regexp=».*\\.test1\\.localdomain» type=FWD add forward-to=192.168.88.56 regexp=».*\\.test2\\.localdomain» type=FWD \u041c\u043e\u0435\u043c\u0443 \u0441\u0447\u0430\u0441\u0442\u044c\u044e \u043d\u0435\u0442 \u043f\u0440\u0435\u0434\u0435\u043b\u0430! […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-83908","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Mikrotik split-dns : ils l'ont fait | ProHoster","description":"Il ne s'est \u00e9coul\u00e9 que 10 ans depuis que les d\u00e9veloppeurs de RoS (dans la version stable 6.47) ont ajout\u00e9 une fonctionnalit\u00e9 qui permet de rediriger les requ\u00eates DNS selon des r\u00e8gles 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