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Re: Bogus bind() warnings - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Bogus bind() warnings
Date
Msg-id 22289.1068151359@sss.pgh.pa.us
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In response to Re: Bogus bind() warnings  (Peter Eisentraut <peter_e@gmx.net>)
Responses Re: Bogus bind() warnings  (Kurt Roeckx <Q@ping.be>)
Re: Bogus bind() warnings  (Peter Eisentraut <peter_e@gmx.net>)
List pgsql-hackers
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>> Is it possible that that kernel considers binding to an IPv6 port to
>> conflict with binding to the "same" port number as an IPv4 port?

Actually, I think that that may be expected behavior depending on the
vintage of the kernel.  Note the following comment in
StreamServerPort():
       /*        * Note: This might fail on some OS's, like Linux older than        * 2.4.21-pre3, that don't have the
IPV6_V6ONLYsocket option, and        * map ipv4 addresses to ipv6.    It will show ::ffff:ipv4 for all        * ipv4
connections.       */
 
        regards, tom lane

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