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Top Forums Shell Programming and Scripting perl script to filter logfile Post 27414 by auswipe on Friday 30th of August 2002 04:14:39 PM
Old 08-30-2002
Re: perl script to filter logfile

Quote:
Originally posted by norsk hedensk
i was wondering if anyone can help me, how could i write in perl a a script that would look through a log file and print onscreen the contents of the log file excluding lines that contain '192.168.1.' and entries that contain directory paths that arent in the directory /usr/local/httpd/htdocs/ i have no expierience in perl. what i want to do is this, i want to be able to run this script to view one log file, the access_log in /var/log/httpd/ at first i would do this with 'grep -v 192.168.1. access_log that works to get rid of my internal network hits, but im tired of havintg to sift through all the people with port scanners hits on my server, most of the traffic on the site is just people running port scanners on my ip block. so if anyone can help i would apreaciate it alot, also i am thinking that this will start me off learning perl. if more info is needed i will gladly provide, thanks alot!
Actually, you can do this with a piped grep command if I am following you correctly.

How about this?

Code:
grep -v "192.168.1" access_log | grep -v "/usr/local/httpd/htdocs/" | less

 

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httpd(8)						      System Manager's Manual							  httpd(8)

NAME
httpd - Apache hypertext transfer protocol server SYNOPSIS
httpd [ -d serverroot ] [ -f config ] [ -C directive ] [ -c directive ] [ -D parameter ] httpd [ -h ] [ -l ] [ -L ] [ -v ] [ -V ] [ -t ] [ -X ] DESCRIPTION
httpd is the Apache HyperText Transfer Protocol (HTTP) server program. It is designed to be run as a standalone daemon process. When used like this it will create a pool of child processes to handle requests. To stop it, send a TERM signal to the initial (parent) process. The PID of this process is written to a file as given in the configuration file. This manual page only lists the command line arguments. For details of the directives necessary to configure httpd see the Apache manual, which is part of the Apache distribution or can be found at http://httpd.apache.org/. Paths in this manual may not reflect those compiled into httpd. OPTIONS
-d serverroot Set the initial value for the ServerRoot directive to serverroot. This can be overridden by the ServerRoot command in the con- figuration file. The default is /etc/httpd. -f config Execute the commands in the file config on startup. If config does not begin with a /, then it is taken to be a path relative to the ServerRoot. The default is conf/httpd.conf. -C directive Process the configuration directive before reading config files. -c directive Process the configuration directive after reading config files. -D parameter Sets a configuration parameter which can be used with <IfDefine>...</IfDefine> sections in the configuration files to condi- tionally skip or process commands. -h Output a short summary of available command line options. -l Output a list of modules compiled into the server. -L Output a list of directives together with expected arguments and places where the directive is valid. -S Show the settings as parsed from the config file (currently only shows the virtualhost settings). -t Run syntax tests for configuration files only. The program immediately exits after these syntax parsing with either a return code of 0 (Syntax OK) or return code not equal to 0 (Syntax Error). If -D DUMP_VHOSTS is also set, details of the virtual host configuration will be printed. -v Print the version of httpd , and then exit. -V Print the version and build parameters of httpd , and then exit. -X Run httpd in debug mode. Only one worker will be started and the server will not detach from the console. FILES
/etc/httpd/conf/httpd.conf /etc/mime.types /etc/httpd/conf/magic /var/log/httpd/error_log /var/log/httpd/access_log /var/run/httpd.pid February 1997 httpd(8)
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