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JMC
Asked: 2011-05-10 10:58:21 +0800 CST

Check the ip addresses accessing my server

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I'm running a Cent OS Linux apache web server, and its primary function is to serve the content in an iframe to one specific ip address. I want to see all ip addresses that have accessed the web server over the last month. Is there generally a log I can view with that information on apache web servers? I haven't installed any extra logging, it's a basic apache install. I understand that all configurations are different.

apache-2.2 security

2 Answers

  1. Best Answer
    $ cut -d' ' -f 1 <access_log> | sort -n | uniq

    Substitute the path of your apache access log, and it'll spit out a list of all IP addresses that have accessed your server.

    Here's what that command is doing:

    cut -d' ' -f 1 <access_log>

    This will list out the first field of the access_log, using the space character as a delimiter. The output of this is then piped to:

    sort -n

    This, as you'd expect, does a numeric sort of the data received and then pipes the resulting list to:

    uniq

    Which eliminates duplicate entries on adjacent lines. Its output is displayed on-screen.

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  2. You might consider awstat to help visually "slice and dice" access trends across time as well.

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