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  1. #1
    Just Joined!
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    Jan 2013
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    Nottinghamshire, UK
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    WHM Dedicated IP address timeout


    I have an IP that routes to a site on my Linux VPS and it repeatedly times out. The IP seems properly configured on my server, has been added in my hosting company's control panel and was working a week ago.

    The IP is 217.199.161.147. It is listed as being in my WHM "Show and Delete current IP addresses". I'm not sure what diagnostic checks I need to do to find out the problem here as I'm fairly new to my VPS.

    I know this is fairly light on info but I can post more here as required.

    Thanks,
    Rich

  2. #2
    Trusted Penguin Irithori's Avatar
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    Some very limited tests (ping, traceroute, telnet to port 22, 80, 25) from outside show: Your host is offline.
    However, your "neighbours" 217.199.161.146 and 217.199.161.148 do respond to ping/traceroute.

    Which leads me to believe, it is not a network issue with your provider. Unless
    - this provider would specifically block your host (which is unlikely, and if it was the case you would be notified about it)
    - or there is a hardware issue with the switch port / cable / NIC connected to your machine. (Rare, but not unheard of. A ticket to the provider asking for verification should bring certainty)

    But the issue is most likely with the host itself.
    Did you recently reconfigure:
    - firewall
    - network device
    - IP address
    - default gateway
    - routing

    If you still can get a root shell via out-of-band management, please post the output of the following commands.
    Code:
    iptables -L -n
    ip route show
    ip link show
    ip addr show
    You must always face the curtain with a bow.

  3. #3
    Just Joined!
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    Thanks for your reply Irithori

    Below are the output of the commands you mentioned. I will now go and Google these and see what they do

    Rich

    iptables -L -n

    Code:
    Chain INPUT (policy ACCEPT)
    target     prot opt source               destination         
    acctboth   all  --  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:993 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:2078 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:53 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:21 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:2082 
    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:2077 
    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:26 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:8080 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:143 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:22 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:995 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:110 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:25 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:2086 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:2087 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:2095 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:465 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:2096 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:3306 
    ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp dpt:2083 
    ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0           state NEW udp dpt:53 
    
    Chain FORWARD (policy ACCEPT)
    target     prot opt source               destination         
    
    Chain OUTPUT (policy ACCEPT)
    target     prot opt source               destination         
    acctboth   all  --  0.0.0.0/0            0.0.0.0/0           
    
    Chain acctboth (2 references)
    target     prot opt source               destination         
               tcp  --  217.199.161.145      0.0.0.0/0           tcp dpt:80 
               tcp  --  0.0.0.0/0            217.199.161.145     tcp spt:80 
               tcp  --  217.199.161.145      0.0.0.0/0           tcp dpt:25 
               tcp  --  0.0.0.0/0            217.199.161.145     tcp spt:25 
               tcp  --  217.199.161.145      0.0.0.0/0           tcp dpt:110 
               tcp  --  0.0.0.0/0            217.199.161.145     tcp spt:110 
               icmp --  217.199.161.145      0.0.0.0/0           
               icmp --  0.0.0.0/0            217.199.161.145     
               tcp  --  217.199.161.145      0.0.0.0/0           
               tcp  --  0.0.0.0/0            217.199.161.145     
               udp  --  217.199.161.145      0.0.0.0/0           
               udp  --  0.0.0.0/0            217.199.161.145     
               all  --  217.199.161.145      0.0.0.0/0           
               all  --  0.0.0.0/0            217.199.161.145     
               tcp  --  217.199.161.147      0.0.0.0/0           tcp dpt:80 
               tcp  --  0.0.0.0/0            217.199.161.147     tcp spt:80 
               tcp  --  217.199.161.147      0.0.0.0/0           tcp dpt:25 
               tcp  --  0.0.0.0/0            217.199.161.147     tcp spt:25 
               tcp  --  217.199.161.147      0.0.0.0/0           tcp dpt:110 
               tcp  --  0.0.0.0/0            217.199.161.147     tcp spt:110 
               icmp --  217.199.161.147      0.0.0.0/0           
               icmp --  0.0.0.0/0            217.199.161.147     
               tcp  --  217.199.161.147      0.0.0.0/0           
               tcp  --  0.0.0.0/0            217.199.161.147     
               udp  --  217.199.161.147      0.0.0.0/0           
               udp  --  0.0.0.0/0            217.199.161.147     
               all  --  217.199.161.147      0.0.0.0/0           
               all  --  0.0.0.0/0            217.199.161.147     
               all  --  0.0.0.0/0            0.0.0.0/0
    ip route show

    Code:
    217.199.161.147 dev eth0  scope link  src 217.199.161.147 
    217.199.161.0/24 dev eth0  proto kernel  scope link  src 217.199.161.147 
    217.199.160.0/23 dev eth0  proto kernel  scope link  src 217.199.161.145 
    default via 217.199.161.254 dev eth0
    ip link show

    Code:
    1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
        link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
        link/ether 52:54:00:ee:db:e3 brd ff:ff:ff:ff:ff:ff
    ip addr show

    Code:
    1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
        link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
        link/ether 52:54:00:ee:db:e3 brd ff:ff:ff:ff:ff:ff
    root@017258 [~]# ip addr show
    1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
        link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
        inet 127.0.0.1/8 scope host lo
        inet6 ::1/128 scope host 
           valid_lft forever preferred_lft forever
    2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
        link/ether 52:54:00:ee:db:e3 brd ff:ff:ff:ff:ff:ff
        inet 217.199.161.145/23 brd 217.199.161.255 scope global eth0
        inet 217.199.161.147/24 brd 217.199.161.255 scope global eth0:cp1
        inet6 fe80::5054:ff:feee:dbe3/64 scope link 
           valid_lft forever preferred_lft forever

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