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Tom Lane 64e0458383 Remove code to match IPv4 pg_hba.conf entries to IPv4-in-IPv6 addresses. ... In investigating yesterday's crash report from Hugo Osvaldo Barrera, I only looked back as far as commit f3aec2c7f5 where the breakage occurred (which is why I thought the IPv4-in-IPv6 business was undocumented). But actually the logic dates back to commit 3c9bb8886d and was simply broken by erroneous refactoring in the later commit. A bit of archives excavation shows that we added the whole business in response to a report that some 2003-era Linux kernels would report IPv4 connections as having IPv4-in-IPv6 addresses. The fact that we've had no complaints since 9.0 seems to be sufficient confirmation that no modern kernels do that, so let's just rip it all out rather than trying to fix it. Do this in the back branches too, thus essentially deciding that our effective behavior since 9.0 is correct. If there are any platforms on which the kernel reports IPv4-in-IPv6 addresses as such, yesterday's fix would have made for a subtle and potentially security-sensitive change in the effective meaning of IPv4 pg_hba.conf entries, which does not seem like a good thing to do in minor releases. So let's let the post-9.0 behavior stand, and change the documentation to match it. In passing, I failed to resist the temptation to wordsmith the description of pg_hba.conf IPv4 and IPv6 address entries a bit. A lot of this text hasn't been touched since we were IPv4-only.		11 years ago
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auth.h	pgindent run before PG 9.1 beta 1.	15 years ago
be-fsstubs.h	Stamp copyrights for year 2011.	15 years ago
crypt.h	Stamp copyrights for year 2011.	15 years ago
hba.h	Rename ident authentication over local connections to peer	15 years ago
ip.h	Remove code to match IPv4 pg_hba.conf entries to IPv4-in-IPv6 addresses.	11 years ago
libpq-be.h	Remove tabs after spaces in C comments	12 years ago
libpq-fs.h	Stamp copyrights for year 2011.	15 years ago
libpq.h	Be more careful to not lose sync in the FE/BE protocol.	11 years ago
md5.h	Stamp copyrights for year 2011.	15 years ago
pqcomm.h	Remove tabs after spaces in C comments	12 years ago
pqformat.h	Stamp copyrights for year 2011.	15 years ago
pqsignal.h	Stamp copyrights for year 2011.	15 years ago