![]() ![]() ![]() If there are >10 records in the same second i.e 41, then it should extract it. 2 Answers Sorted by: 1 Use grep -P: -P, -perl-regexp PATTERNS are Perl regular expressions Share Improve this answer Follow answered at 18:38 GAD3R 62. Ive already run it through sort so all the IP addresses are in order and directly after each other. This is easy for ranges that fall on the natural boundaries (/8, /16 and /24) but not so easy for other ranges such as /17 and /25. In above log, in both lines seconds are: 41 and IPs are: 192.168.232.2 and 192.168.248.2. 13 From time to time I want to grep CIDR ranges out of my Apache log files. In this tutorial, we’ll explore the different methods we can use to extract IPv4 addresses from a file. This could be, for example, from a server’s access log file. Another way is to use the sed command to remove all non-numeric characters from the. This will return all of the IP addresses in the text file. ![]() One way is to use the grep command to search for all instances of a four-digit number followed by a period. Logfile = list(open('/home/asad/logdb/snort.alert', 'r').read().split('\n')) Overview We sometimes need to extract IP addresses from a file containing a long list of them. I had a log file but I want to extract specific ip from the file the log file shown as below. There are a few ways to extract an IP address from a text file on a Linux system. ![]() blacklist = list(open("/home/asad/blackdb/blacklist", 'r').read().split('\n')) The first and second will give no output, while the third does and the spaces are stripped.I have a python script which extracts unique ip addresses from snort log but how to modify or use regex to extract IPs only if they are logged more than 10 times per second? more specific: using "regex", if the second (i.e 41 in this scenario) doesn't change for more than 10 lines of having the same IP address then extract that IP. Replace the IP with something that is non-valid to see no output instead: echo '255.154.12.231' | grep -E '(( ' | grep -vE '25|2|' | sed 's/ //' Thanks to this post and others like it I came up with this, that looks for the correct IP format, then gets rid of all the lines that contain 256 or higher. Reads a list of IP addresses from ip. Whether this is a problem depends on the files or data you intend to apply the. I think my answer to another post is better suited here. If your regex flavor supports Unicode, it may even match ١٢٣.१२३.೧೨೩.๑๒๓. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |