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From Ahmad Emneina <aemne...@gmail.com>
Subject Re: SSVM unable to connect to DNS
Date Tue, 30 Apr 2013 22:18:52 GMT
looks like you cant route out to the internet. can you ping 8.8.8.8
directly from the ssvm?


On Tue, Apr 30, 2013 at 3:09 PM, Carlos Reategui <creategui@gmail.com>wrote:

> The SSVM in my rebuilt setup does not appear to be able to connect to the
> DNS servers.
>
> root@s-1-VM:~# /usr/local/cloud/systemvm/ssvm-check.sh
> ================================================
> First DNS server is  172.30.20.176
> PING 172.30.20.176 (172.30.20.176): 56 data bytes
> 64 bytes from 172.30.20.176: icmp_seq=0 ttl=127 time=0.714 ms
> 64 bytes from 172.30.20.176: icmp_seq=1 ttl=127 time=0.681 ms
> --- 172.30.20.176 ping statistics ---
> 2 packets transmitted, 2 packets received, 0% packet loss
> round-trip min/avg/max/stddev = 0.681/0.698/0.714/0.000 ms
> Good: Can ping DNS server
> ================================================
> ERROR: DNS not resolving download.cloud.com
> resolv.conf follows
> nameserver 172.30.20.176
> nameserver 172.30.20.175
> nameserver 172.30.20.176
> nameserver 172.30.20.175
>
> root@s-1-VM:~# nslookup cloud.com
> ;; connection timed out; no servers could be reached
>
> root@s-1-VM:~# nslookup
> > server 8.8.8.8
> Default server: 8.8.8.8
> Address: 8.8.8.8#53
> > download.cloud.com
> ;; connection timed out; no servers could be reached
> >
>
> root@s-1-VM:~# iptables -L -n
> Chain INPUT (policy DROP)
> target     prot opt source               destination
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp
> dpt:443
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp
> dpt:80
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp
> dpt:3922
> ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0           state
> RELATED,ESTABLISHED
> ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0           state
> RELATED,ESTABLISHED
> ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0           state
> RELATED,ESTABLISHED
> ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0           state
> RELATED,ESTABLISHED
> ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0
> DROP       icmp --  0.0.0.0/0            0.0.0.0/0           icmp type 13
> ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp
> dpt:3922
>
> Chain FORWARD (policy DROP)
> target     prot opt source               destination
>
> Chain OUTPUT (policy ACCEPT)
> target     prot opt source               destination
> REJECT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp
> dpt:80 reject-with icmp-port-unreachable
> REJECT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp
> dpt:443 reject-with icmp-port-unreachable
>
> Chain HTTP (0 references)
> target     prot opt source               destination
>
>
> Where should I look next?
>
> thanks
> Carlos
>

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