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From Kristinn Örn Sigurðsson <>
Subject Re: New LDAP client patch
Date Tue, 10 May 2016 13:12:38 GMT
Hi everybody.

All feedback is greatly appreciated.

Thank you.

Kveðja / Best regards,
Kristinn Örn Sigurðsson.

2016-05-02 10:59 GMT+02:00 Kristinn Örn Sigurðsson <>:

> Hello everybody.
> I have a patch I would like to contribute to the LDAP client.
> Let's say you have a machine that has no IPv4 connectivity, only IPv6. You
> want to connect to a LDAP server with a hostname that resolves both to an
> IPv4 and IPv6 address.
> Currently you would (most likely) not be able to connect because the
> client code selects the first result returned by the DNS as the IP to use.
> That is often the IPv4 address.
> My patch tries to initiate a socket connection to all the returned IP
> addresses simultaneously (without applying the LDAP request that caused the
> connection to be initiated). The first successful connection is selected
> and all the others are discarded.
> I know this is not as efficient as just connecting to one IP, but I try to
> make it as efficient as possible (I'm not a java veteran).
> I did think about scanning the interfaces of the machine and try to
> determine what kind of connectivity we have and from there pick the right
> IP to connect to (if the DNS query returns both A and AAAA records).
> However, that would only be, at best, guess work.
> I did create a pull request where you host your mirror at github. I didn't
> see any better way to provide the code to you.
> The pull request is available at
> All suggestions and comments are greatly appreciated.
> Thank you!
> --
> Kveðja / Best regards,
> Kristinn Örn Sigurðsson.

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