Re: [gentoo-user] Configuring hostapd

[Fernando Rodriguez]

On Tuesday, August 04, 2015 8:18:43 PM Cor Legemaat wrote:
> On Sun, 2015-08-02 at 19:56 -0400, Fernando Rodriguez wrote:
> > On Sunday, August 02, 2015 11:12:07 PM Mick wrote:
> > > On Sunday 02 Aug 2015 22:04:41 Fernando Rodriguez wrote:
> > > > On Sunday, August 02, 2015 1:29:50 PM Mick wrote:
> > > > > On Sunday 02 Aug 2015 01:50:21 Fernando Rodriguez wrote:
> > > > > > Hello,
> > > > > >
> > > > > > After installing hostapd I can successfully connect to the
> > > > > > AP, I can
> > > > > > get DHCP from it, but I cannot access the network through it
> > > > > > (neither
> > > > > > lan or internet).
> > > > >
> > > > > This sounds like a (network) routing problem, rather than a
> > > > > hostapd
> > > > > issue.
> > > >
> > > > It looks like that, but if I stop iptables completely on the
> > > > router all
> > > > unicast traffic still works in the lan (both wired and through
> > > > an external
> > > > AP), so if I connect to the hostapd AP with iptables off,
> > > > shouldn't I at
> > > > the very least be able to ping the wireless interface on the
> > > > router?
> > > >
> > > > I also tried with only the following rule which enables internet
> > > > access to
> > > > all wired workstations and through external AP:
> > > >
> > > > iptables -t nat -A POSTROUTING -o enp0s8 -j MASQUERADE
> > >
> > > You should probably specify the local subnet, so that multicast
> > > packets are
> > > not sent out to the Internet, e.g.:
> > >
> > > iptables -t nat -A POSTROUTING -o enp0s8 -s 192.168.1.0/24 ! -d
> > 192.168.1.0/24
> > > -j MASQUERADE
> > >
> > > (Change 192.168.1.0/24 to suit your LAN subnet)
> >
> > I'm not actually using that rule except as a minimal setup for
> > troubleshooting
> > this issue. My actual rules do specify the subnet.
> >
> > > Also have you enabled ip forwarding in your kernel:
> > >
> > > sysctl -w net.ipv4.ip_forward=1
> >
> > Yes, it is an existing router that works perfectly except for the
> > hostapd AP.
> > My current setup is as follows:
> >
> > Internet -> Gentoo Router -> Switch -> AP
> >
> > Where AP is a wifi router with routing features disabled. Never had
> > problems
> > with it. Now I installed hostapd on "Gentoo Router" and everything
> > else still
> > works fine except when I connect to the hostapd AP. Even with only
> > that minimal
> > iptable rule or no rules at all.
> >
> > Thanks,
> >
> Probably /dev/random depleated, try enable your hardware rng or sys-
> apps/haveged test with `cat /proc/sys/kernel/random/entropy_avail`
>
> Regards:
> Cor

Thanks. II did get an error about depleted entropy at some point when starting 
hostapd but I went ahead and installed haveged and it still doesn't work. It 
doesn't even work when configured as an open AP. I checked the kernel config and 
I had VLAN support disabled. I've rebuilt it but can't reboot right now. Maybe 
it's required even though I'm not using VLANs? 

-- 
Fernando Rodriguez