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xen-users
Re: [Xen-users] XEN 3.0.4-1 / Iptables is not working properly
Hello,
this is not working in my case.
The Problem still exist.
If this is a real problem, some other people should have the same issue.
Are there any suggestions ??
Regards
Maik
Christo Buschek wrote:
Hello Maik.
I don't really have an explanation for you, but for me to make iptables
work I had to run 'ethtool -K eth0 tx off' inside the vm and dom0 on the
device. That made iptables work for me.
Maybe it also helps you.
greetinx
Christo
On Thu, 2007-04-19 at 09:18 +0200, Maik Brauer wrote:
Hello,
I've installed XEN3.0.4-1 and problems with the IPtables settings.
Please see below the firewall settings for Domain0:
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT 0 -- anywhere anywhere
ACCEPT tcp -- anywhere mbs-rootsrv tcp dpt:ssh
ACCEPT 0 -- anywhere anywhere ctstate
RELATED,ESTABLISHED
LOG 0 -- anywhere anywhere LOG level
warning
DROP 0 -- anywhere anywhere
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
But then for example connection which are related to a server request
(DNS requests / port53, etc) will be blocked by the firewall.
Here is an example of an request:
Apr 19 09:06:19 rootsrv kernel: IN=eth0 OUT= PHYSIN=peth0 PHYSOUT=vif0.0
MAC=00:e4:3c:65:37:37:03:02:85:1a:e2:e0:08:00 SRC=213.133.99.99
DST=88.198.xx.xx LEN=73 TOS=0x00 PREC=0x00 TTL=59 ID=0 DF PROTO=UDP
SPT=53 DPT=32803 LEN=53
Apr 19 09:06:20 rootsrv kernel: IN=eth0 OUT= PHYSIN=peth0 PHYSOUT=vif0.0
MAC=00:e4:3c:65:37:37:03:02:85:1a:e2:e0:08:00 SRC=26.104.239.90
DST=88.198.xx.xx LEN=393 TOS=0x00 PREC=0x00 TTL=55 ID=44193 PROTO=UDP
SPT=31178 DPT=1026 LEN=373
Apr 19 09:06:24 rootsrv kernel: IN=eth0 OUT= PHYSIN=peth0 PHYSOUT=vif0.0
MAC=00:e4:3c:65:37:37:03:02:85:1a:e2:e0:08:00 SRC=213.133.98.98
DST=88.198.xx.xx LEN=73 TOS=0x00 PREC=0x00 TTL=60 ID=0 DF PROTO=UDP
SPT=53 DPT=32804 LEN=53
Apr 19 09:06:27 rootsrv kernel: IN=eth0 OUT= PHYSIN=peth0 PHYSOUT=vif0.0
MAC=00:e4:3c:65:37:37:03:02:85:1a:e2:e0:08:00 SRC=213.133.100.100
DST=88.198.xx.xx LEN=73 TOS=0x00 PREC=0x00 TTL=59 ID=0 DF PROTO=UDP
SPT=53 DPT=32805 LEN=53
Apr 19 09:06:33 rootsrv kernel: IN=eth0 OUT= PHYSIN=peth0 PHYSOUT=vif0.0
MAC=00:e4:3c:65:37:37:03:02:85:1a:e2:e0:08:00 SRC=213.133.99.99
DST=88.198.xx.xx LEN=73 TOS=0x00 PREC=0x00 TTL=59 ID=0 DF PROTO=UDP
SPT=53 DPT=32803 LEN=53
Apr 19 09:06:38 rootsrv kernel: IN=eth0 OUT= PHYSIN=peth0 PHYSOUT=vif0.0
MAC=00:e4:3c:65:37:37:03:02:85:1a:e2:e0:08:00 SRC=213.133.98.98
DST=88.198.xx.xx LEN=73 TOS=0x00 PREC=0x00 TTL=60 ID=0 DF PROTO=UDP
SPT=53 DPT=32804 LEN=53
When I flush the Iptables or I will put in each request then everthing
is working fine. But you never now which server will answer to a
request, so it is
impossible to configure all ip-addresses. This should be done due to the
line: -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
which is unfortunately not working.
What is the problem and the solution ?
Many Thanks.
Kind Regards,
Maik Brauer
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