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  1. #1

    Check if IP is blacklisted on server?

    One of our customers has reporting not being able to access any sites hosted on our server. He is using a cable connection with a static IP number . He is able to access all other web sites on the Internet, he just can't access the ones hosted on our network.

    Do you have any ideas on why this could be occuring, or if there is something on the server which could have blacklisted his static IP, preventing him access.

    Helps and ideas appreciated.

  2. #2
    Join Date
    Dec 2006
    Check whether the ip is blocked in server firewall

    first /etc/init.d/iptables save
    then grep <ip> /etc/sysconfig/iptables

    Also check if the ip is blocked in apf ie grep <ip> /etc/apf/deny_hosts.rules

    Also ask the client to get the traceroute to the server ip

    (tracert <serverip> in windows), (traceroute <serverip> in linux)

    and paste the result here
    Reverse engineering Rocks

  3. #3
    Join Date
    Dec 2006
    Charlotte NC
    Have you tried to conduct a trace route from his location and vice versa? Running the traceroute from both locations may provide additional useful information. :: Engineered Hosting
    Engineered Hosting solutions including Cloud, Dedicated, Colocation, and Managed Services.

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