Re: Brokenness in parsing of pg_hba.conf
От | Bruce Momjian |
---|---|
Тема | Re: Brokenness in parsing of pg_hba.conf |
Дата | |
Msg-id | 200401072014.i07KEKS16358@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Brokenness in parsing of pg_hba.conf (Greg Stark <gsstark@mit.edu>) |
Список | pgsql-hackers |
Greg Stark wrote: > > Kurt Roeckx <Q@ping.be> writes: > > > It's a.b.0.c. > > > > Note that the "c" can be bigger than 255, so 128.1.512 turns into > > 128.1.2.0. This can make perfect sense when you still used > > classes. > > Perhaps it'll seem less strange if I restate the rule so there aren't four > different cases: > > A dotted quad is 1-4 numbers separated by dots where each number is an 8 bit > number except for the last which includes all the remaining bits in the 32 > bit address. > > It might seem strange to people used to networks smaller than /24. But if you > have a /16 with thousand hosts and don't need subnets it makes perfect sense > to number them from 1-1000 rather than using base 256. > > I use it all the time for my net-10 addresses. They're subnetted into 10.1/16 > 10.2/16 etc. Sadly, I don't have thousands of hosts though. Oh, the last number can be >255. That seems useful, I guess. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania19073
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