IPv6 bind() errno 49 in jail
jasonmader at gmail.com
jasonmader at gmail.com
Fri Jul 17 21:10:11 UTC 2015
In FreeBSD 10.1 Iʼve encountered an error trying to use IPv6 in a jail.
When nginx starts with,
listen [2620:10e:6024:f004::141]:443 ssl;
and jail.conf is configured,
ip6.addr = 2620:10e:6024:f004::141;
It’s the following error,
[emerg] 2124#0: bind() to [2620:10e:6024:f004::141]:443 failed (49: Can't
assign requested address)
Output from truss shows,
socket(PF_INET6,SOCK_STREAM,0) = 8 (0x8)
setsockopt(0x8,0xffff,0x4,0x7fffffffe854,0x4,0x0) = 0 (0x0)
setsockopt(0x8,0x29,0x1b,0x7fffffffe848,0x4,0x0) = 0 (0x0)
ioctl(8,FIONBIO,0xffffe7fc) = 0 (0x0)
bind(8,{ AF_INET6 [40be:bd00:800:0:9fe8:ffff:100:0]:36096 },28) ERR#49
'Can't assign requested address'
write(3,"2015/07/17 16:49:24 [emerg] 4760"...,121) = 121 (0x79)
nginx: [emerg] bind() to [2620:10e:6024:f004::141]:443 failed (49: Can't
assign requested address)
So it’s pretty straight forward that bind() will fail. But where is the
address [40be:bd00:800:0:9fe8:ffff:100:0]:36096 coming from?
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