Michael wrote:
Hello.
Does anybody has a working configuration with ipfw nated jails on
loopback interface?
It simply doesn't work on my system. I can not get any connections to
outside world from within a jail.
FreeBSD 8.0-p3 amd64 laptop connected to internet via wlan0 (ath0) with
192.168.1.111 address.
Jail with IP 127.127.127.1 aliased on lo0.
Host system configuration:
/etc/rc.conf
ifconfig_wlan0="WPA DHCP"
ifconfig_lo0_alias0="inet 127.127.127.1 netmask 255.255.255.255"
gateway_enable="YES"
firewall_enable="YES"
firewall_script="/etc/ipfw.rules"
firewall_nat_enable="YES"
firewall_nat_interface="wlan0"
/etc/resolve.conf
nameserver 208.67.222.222
nameserver 208.67.220.220
/etc/ipfw.conf
ipfw -q -f flush
ipfw add 00001 allow all from 127.0.0.1 to 127.0.0.1 via lo0
ipfw add 00002 nat 100 ip from 127.127.127.1 to any via wlan0 keep-state
ipfw nat 100 config ip 192.168.1.111
ipfw add 00003 allow all from any to any
Jailed system configuration:
/etc/rc.conf
network_interfaces=""
/etc/resolve.conf
nameserver 208.67.222.222
nameserver 208.67.220.220
Now I'm doing ssh into a jailed system (127.127.127.1). Then on jail
system I'm trying to do for example:
host freebsd.org
;; connection timed out; no servers could be reached
And on host system:
ipfw -d show
00001 0 0 allow ip from 127.0.0.1 to 127.0.0.1 via lo0
00002 4 228 nat 100 ip from 127.127.127.1 to any via wlan0 keep-state
00003 182 24627 allow ip from any to any
65535 0 0 deny ip from any to any
## Dynamic rules (2):
00002 1 57 (1s) STATE udp 127.127.127.1 58340 <-> 208.67.222.222 53
00002 1 57 (2s) STATE udp 127.127.127.1 39870 <-> 208.67.220.220 53
So no packets got blocked but still it doesn't work properly. I'm trying
to get it working for couple weeks now and I'm afraid I just run out of
ideas so any help would be very appreciated.
you have to put your hosts /etc/resolve.conf in each jail before you
can get network connection.
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