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• Connecting to RDS database from EC2 instance using bind9 CNAME alias

  - by mptre

  I'm trying to get internal DNS up and running on a EC2 instance. The main goal is to be able to define CNAME aliases for other AWS services. For example: Instead of using the RDS endpoint, which might change over time, an alias mysql.company.int can be used instead. I'm using bind9 and here's my config files: /etc/bind/named.conf.local zone "company.int" { type master; file "/etc/bind/db.company.int"; }; /etc/bind/db.company.int ; $TTL 3600 @ IN SOA company.int. company.localhost. ( 20120617 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL ; @ IN NS company.int. @ IN A 127.0.0.1 @ IN AAAA ::1 ; CNAME mysql IN CNAME xxxx.eu-west-1.rds.amazonaws.com. The dig command ensures me my alias is working as excepted: $ dig mysql.company.int ... ;; ANSWER SECTION: mysql.company.int. 3600 IN CNAME xxxx.eu-west-1.rds.amazonaws.com. xxxx.eu-west-1.rds.amazonaws.com. 60 IN CNAME ec2-yyy-yy-yy-yyy.eu-west-1.compute.amazonaws.com. ec2-yyy-yy-yy-yyy.eu-west-1.compute.amazonaws.com. 589575 IN A zzz.zz.zz.zzz ... As far as I can understand a reverse zone isn't needed for a simple CNAME alias. However when I try to connect to MySQL using my newly created alias the operation is giving me a timeout. $ mysql -uuser -ppassword -hmysql.company.int ERROR 2003 (HY000): Can't connect to MySQL server on 'mysql.company.int' (110) Any ideas? Thanks in advantage!

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• Help with SOAP request using PHP

  - by mptre

  I'm having a SOAP related problem in PHP. I'm trying to create arbitrary SOAP request using Nusoap_client class. The complete request including headers should look like the example below. Ofcourse the placeholders (string) should be replaced with actual values. POST /services/RecipeCouponAPI11.asmx HTTP/1.1 Host: example.com Content-Type: text/xml; charset=utf-8 Content-Length: length SOAPAction: "http://www.example.com/services/GetCouponAll" <?xml version="1.0" encoding="utf-8"?> <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> <soap:Header> <RCAuthenticator xmlns="http://www.example.com/services/"> <UserName>string</UserName> <Password>string</Password> </RCAuthenticator> </soap:Header> <soap:Body> <GetCouponAll xmlns="http://www.example.com/services/"> <campaignCode>string</campaignCode> </GetCouponAll> </soap:Body> </soap:Envelope> I tried the following code with no luck. Seems like the request isn't formated correctly. Any ideas on how to get his working? <?php $client = new Nusoap_client('http://www.example.com/services/RecipeCouponAPI11.asmx'); $headers = new SoapHeader( 'http://www.example.com/services/', 'RCAuthenticator', (object)array( 'UserName' => 'username', 'Password' => 'password' ), false ); $client->setHeaders(array($headers)); $response = $client->call( 'GetCouponAll', array('campaignCode' => 'campaigncode'), null, 'http://www.example.com/services/GetCouponAll' ); ?> Thanks in advantage!

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