[lxc-users] OpenVPN server in a container... can connect but no webpages load

[Idafe Houghton]

Or else you should enable  proxy_arp=1 to your bridge interface.

Have you checked that you can go outside internet from within your
container? (without all the vpn thing?)

2016-12-29 3:39 GMT+01:00 Idafe Houghton <idafe.houghton at gmail.com>:

> What I may say, may seem stupid, but just to make sure...
>
> May you tell us your NATting tables?
>
> Thanks.
>
> 2016-12-27 21:13 GMT+01:00 John <da_audiophile at yahoo.com>:
>
>> Goal: I currently have standalone box running openvpn that is correctly
>> configured and works.  My goal is to move that to a container.
>>
>>
>> Problem: I can connect to the openvpn server in the container but I
>> cannot load webpages, they just timeout. I must not have something
>> configured correctly.
>>
>> I have a very basic setup without a firewall currently (I will add ufw
>> once I verify function without it):
>>
>>
>> 1) Host OS: Arch Linux x86_64. I have a netctl loading br0 (see below).
>> 2) LXC: I created a basic lxc with just base and openvpn.  I copied the
>> contents of /etc/openvpn/* from the functional system to the lxc's
>> /etc/openvpn.
>> 3) I am forwarding port 443 (which is what I am running openvpn on, to
>> the internal IP of the container).
>>
>> My netctl bridge profile on the host OS, /etc/netctl/bridge:
>>
>> =============================
>> Description='lxc bridge'
>> Interface=br0
>> Connection=bridge
>> BindsToInterfaces=('eth0')
>> IP=dhcp
>>
>>
>> Output of `ip a` on the host OS:
>> =============================
>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 4096 qdisc noqueue state UNKNOWN group
>> default
>> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>> inet 127.0.0.1/8 scope host lo
>> valid_lft forever preferred_lft forever
>> inet6 ::1/128 scope host
>> valid_lft forever preferred_lft forever
>>
>>
>> 2: eth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc
>> fq_codel master br0 state UP group default qlen 1000
>> link/ether 00:1e:06:33:59:e7 brd ff:ff:ff:ff:ff:ff
>> inet6 fe80::21e:6ff:fe33:59e7/64 scope link
>> valid_lft forever preferred_lft forever
>>
>>
>> 3: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
>> UP group default
>> link/ether 00:1e:06:33:59:e7 brd ff:ff:ff:ff:ff:ff
>> inet 192.168.1.245/24 brd 192.168.1.255 scope global br0
>> valid_lft forever preferred_lft forever
>> inet6 fe80::21e:6ff:fe33:59e7/64 scope link
>> valid_lft forever preferred_lft forever
>>
>>
>> Output of `ip r` on the host OS:
>> =============================
>> default via 192.168.1.1 dev br0 src 192.168.1.245 metric 203
>> 192.168.1.0/24 dev br0 proto kernel scope link src 192.168.1.245 metric
>> 203
>>
>>
>> Output of `sysctl net.ipv4.conf | grep forward` on the host OS:
>> =============================
>> net.ipv4.conf.all.forwarding = 1
>> net.ipv4.conf.all.mc_forwarding = 0
>> net.ipv4.conf.br0.forwarding = 1
>> net.ipv4.conf.br0.mc_forwarding = 0
>> net.ipv4.conf.default.forwarding = 1
>> net.ipv4.conf.default.mc_forwarding = 0
>> net.ipv4.conf.eth0.forwarding = 1
>> net.ipv4.conf.eth0.mc_forwarding = 0
>> net.ipv4.conf.lo.forwarding = 1
>> net.ipv4.conf.lo.mc_forwarding = 0
>>
>>
>>
>> My container config, /var/lib/lxc/base/config:
>>
>> =============================
>> lxc.rootfs = /var/lib/lxc/base/rootfs
>> lxc.rootfs.backend = dir
>> lxc.utsname = base
>> lxc.arch = x86_64
>> lxc.include = /usr/share/lxc/config/archlinux.common.conf
>>
>> ## network
>> lxc.network.type = veth
>> lxc.network.flags = up
>> lxc.network.link = br0
>> lxc.network.name = eth0
>> lxc.network.ipv4 = 192.168.1.246/24
>> lxc.network.ipv4.gateway = 192.168.1.1
>>
>> ## systemd within the lxc
>> lxc.autodev = 1
>> lxc.hook.autodev = /var/lib/lxc/base/autodev
>> lxc.pts = 1024
>> lxc.kmsg = 0
>>
>> ## for openvpn
>> lxc.cgroup.devices.allow = c 10:200 rwm
>> _______________________________________________
>> lxc-users mailing list
>> lxc-users at lists.linuxcontainers.org
>> http://lists.linuxcontainers.org/listinfo/lxc-users
>
>
>
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