Date: Fri, 10 Apr 2009 17:35:07 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: JAKO Andras <jako.andras@eik.bme.hu> Cc: freebsd-jail@freebsd.org Subject: Re: lo0's IPv6 address overwritten Message-ID: <20090410173415.S15361@maildrop.int.zabbadoz.net> In-Reply-To: <Pine.GSO.4.64.0904101918570.5138@mono> References: <Pine.GSO.4.64.0904101149270.12199@mono> <20090410135647.E15361@maildrop.int.zabbadoz.net> <Pine.GSO.4.64.0904101837350.5138@mono> <20090410165753.U15361@maildrop.int.zabbadoz.net> <Pine.GSO.4.64.0904101918570.5138@mono>
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On Fri, 10 Apr 2009, JAKO Andras wrote: >>> I found that when I start a telnet in the jail to an arbitrary global IPv6 >>> address, lo0's ::1 changes to the jail's IPv6 address. The routing table >>> doesn't change. >> >> telnet to where? To the jail IP? To an IP of the base system? To world? > > I started telnet inside the jail, to the world: > > [root@splash /usr/home/goya]# jail -l -U root -i /usr/jail/ro.noc > r-noc.net.bme.hu "2001:738:2001:1000::2" /bin/sh > 1 > # ifconfig lo0 ; ifconfig lo1 > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 > lo1: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 > inet6 2001:738:2001:1000::2 prefixlen 128 > # telnet 2001:738::abcd > Trying 2001:738::abcd... > ^C# > # ifconfig lo0 ; ifconfig lo1 > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 > inet6 2001:738:2001:1000::2 prefixlen 128 > lo1: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 > inet6 2001:738:2001:1000::2 prefixlen 128 *wow*, that's indeed ... confusing. I'll try to (get someone to) look into this. /bz -- Bjoern A. Zeeb The greatest risk is not taking one.
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