From owner-freebsd-hackers@FreeBSD.ORG  Fri Dec  1 09:35:04 2006
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Date: Fri, 01 Dec 2006 12:34:51 +0300
From: "Eldar T. Zaitov" <eldar@tusur.ru>
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Subject: jail2 patchset 14
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Have tried Jail2 patchset #14 on 6.2-PRERELEASE, everything compiles and
works ok, but resolve.
gethostbyname always returns NULL, but host/dig works ok.
here's an example:

virtual# host mail.ru
mail.ru has address 194.67.57.26
mail.ru mail is handled by 10 mxs.mail.ru.
virtual# ping mail.ru
ping: cannot resolve mail.ru: Host name lookup failure

here is some truss output of 'ping mail.ru':
kqueue()                                         = 4 (0x4)
socket(PF_INET,SOCK_DGRAM,0)                     = 5 (0x5)
connect(5,{ AF_INET ***.62.171.***:53 },16)       ERR#22 'Invalid argument'
close(5)                                         = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 5 (0x5)
connect(5,{ AF_INET ***.62.171.***:53 },16)       ERR#22 'Invalid argument'
close(5)                                         = 0 (0x0)
close(4)                                         = 0 (0x0)

where
***.62.171.***:53 is nameserver;
***  is masked ip nodes;

may be I've forgotten something?
thank you.