[Xen-users] Problems with services in DomU

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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[Xen-users] Problems with services in DomU