[Xen-users] Problems with services in DomU & Dom0

["Marcelo Solovey - Hardtotal" <msolovey@xxxxxxxxxxxxx>]

Hi, I?m new in Xen and I would like to make you a question about it. I have
a Xen 3.0.3 recently installed and running (under debian etch), and
everything is working flawlessly, except for one thing. I have transparent
access to the outside world from the DomU?s and the Dom0, services like ftp,
ssh, http, (i.e.: I can run apt-get without any problem), but I cannot
access services from the outside world to the DomU, or the Dom0, (i.e.:
Cannot access a DomU, or Dom0 via ssh, or http, or anything from an extrange
network). I have a bridge configuration, because I have a whole /24 class
for me, and an iptables-save from Dom0 drop this:
 
# Generated by iptables-save v1.3.6 on Mon Apr 23 10:17:20 2007
*filter
:INPUT ACCEPT [62:5584]
:FORWARD ACCEPT [8808:480067]
:OUTPUT ACCEPT [62:7029]
-A FORWARD -s xx.xx.xx.xx -m physdev  --physdev-in vif1.0 -j ACCEPT
-A FORWARD -p udp -m physdev  --physdev-in vif1.0 -m udp --sport 68 --dport
67 -j ACCEPT
COMMIT
# Completed on Mon Apr 23 10:17:20 2007
 
Also, when I start (turn on) the server, I must do an
?/etc/init.d/networking restart?, because if I don?t do that, I?ll not be
able to access any Dom0 or DomU service, not even from my internal network.
When I restart the network, I can start any service I want (Only from my
internal network)
 
My xen-config.spx looks like this:
 
(network-script network-bridge)
(vif-script vif-bridge)
(dom0-min-mem 196)
(dom0-cpus 1)
 
My DomU config:
 
kernel = "/boot/vmlinuz-2.6.18-4-xen-686"
memory = 512
name = "Jaguar_Virtual"
disk =
['file:/virtual/dom1/virtual1.img,sda1,w','file:/virtual/dom1/virtual1_swap.
img?]
ramdisk = "/boot/initrd.img-2.6.18-4-xen-686"
root = "/dev/sda1 ro"
vif = [ 'ip=xx.xx.xx.xx' ]
 
ifconfig drop:
 
dummy0    Link encap:Ethernet  HWaddr 86:A7:93:58:2E:33
          inet addr:xx.xx.xx.xx  Bcast: oo.oo.oo.255  Mask:255.255.255.0
          inet6 addr: fe80::84a7:93ff:fe58:2e33/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:992 (992.0 b)
 
eth0      Link encap:Ethernet  HWaddr 00:14:5E:46:05:81
          inet addr:yy.yy.yy.yy Bcast:oo.oo.oo.255  Mask:255.255.255.0
          inet6 addr: fe80::214:5eff:fe46:581/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1767 errors:0 dropped:0 overruns:0 frame:0
          TX packets:674 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:126732 (123.7 KiB)  TX bytes:99741 (97.4 KiB)
 
lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
 
peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:5755 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1875 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:433752 (423.5 KiB)  TX bytes:179515 (175.3 KiB)
          Interrupt:16
 
vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:683 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6964 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:100335 (97.9 KiB)  TX bytes:469960 (458.9 KiB)
 
vif1.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6188 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:395730 (386.4 KiB)
 
xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:656 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:30434 (29.7 KiB)  TX bytes:0 (0.0 b)
 
 
Any help will be highly appreciated! Thanks in advance?
 
Marcelo Solovey


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