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https://issues.apache.org/jira/browse/TS-597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Leif Hedstrom resolved TS-597.
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Resolution: Fixed
> when using SplitDNS, the common dns setting is not honored
> ----------------------------------------------------------
>
> Key: TS-597
> URL: https://issues.apache.org/jira/browse/TS-597
> Project: Traffic Server
> Issue Type: Sub-task
> Components: DNS
> Affects Versions: 2.1.4
> Reporter: Zhao Yongming
> Assignee: Leif Hedstrom
> Fix For: 2.1.5
>
> Attachments: TS-597.patch
>
>
> When using the trunk codes, and setup a splitdns.config without wild cast
> rule:
> dest_domain=yahoo.com named="68.180.131.16"
> dest_domain=inktomi.com named="68.180.131.16"
> dest_domain=google.com named="8.8.8.8"
> and records:
> CONFIG proxy.config.http.no_dns_just_forward_to_parent INT 0
> CONFIG proxy.config.dns.search_default_domains INT 1
> CONFIG proxy.config.dns.splitDNS.enabled INT 1
> CONFIG proxy.config.dns.max_dns_in_flight INT 2048
> CONFIG proxy.config.dns.url_expansions STRING NULL
> CONFIG proxy.config.dns.round_robin_nameservers INT 0
> CONFIG proxy.config.dns.nameservers STRING 202.106.0.20
> CONFIG proxy.config.dns.resolv_conf STRING NULL
> CONFIG proxy.config.dns.validate_query_name INT 0
> CONFIG proxy.config.diags.debug.tags STRING split.*|dns.*|hostdb.*
> splitdns will just make the default dns server as 127.0.0.1 regards of the
> setting from /etc/resolv.conf etc
> [Dec 17 21:11:10.792] Server {47027459007840} DEBUG: (dns)
> DNSHandler::startEvent_sdns: on thread 0
> [Dec 17 21:11:10.792] Server {47027459007840} DEBUG: (dns) open_con: opening
> connection 68.180.131.16:53
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) random port = 51000
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) opening connection
> 68.180.131.16:53 SUCCEEDED for 0
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns)
> DNSHandler::startEvent_sdns: on thread 0
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) open_con: opening
> connection 68.180.131.16:53
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) random port = 41996
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) opening connection
> 68.180.131.16:53 SUCCEEDED for 0
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns)
> DNSHandler::startEvent_sdns: on thread 0
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) open_con: opening
> connection 8.8.8.8:53
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) random port = 26464
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) opening connection
> 8.8.8.8:53 SUCCEEDED for 0
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns)
> DNSHandler::startEvent_sdns: on thread 0
> [Dec 17 21:11:10.793] Server {47027459007840} WARNING: bad
> '/etc/resolv.conf': no nameservers given
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) open_con: opening
> connection 127.0.0.1:0
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) random port = 50728
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) opening connection
> 127.0.0.1:0 SUCCEEDED for 0
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns)
> DNSHandler::startEvent: on thread 0
> [Dec 17 21:11:10.793] Server {47027459007840} WARNING: bad configurations: no
> nameservers given
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) open_con: opening
> connection 127.0.0.1:0
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) random port = 55442
> [Dec 17 21:11:10.793] Server {47027459007840} DEBUG: (dns) opening connection
> 127.0.0.1:0 SUCCEEDED for 0
> [Dec 17 21:11:11.220] Server {47027467839248} NOTE: cache enabled
> that is confusing, should be fixed.
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