06-02-2010
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Dear All ,
Kindly note I have sun solaries 7 .
I want to block a domain who keep sending emails to my domain and users .
thanks (1 Reply)
Discussion started by: tamemi
1 Replies
2. IP Networking
I'm in highschool. They blocked my favorite site. How do I disable websense without getting caught on that particular webpage? Is it even possible? *twitch* I would also like to get as much UNIX for beginners information, so if someone might point me in the right direction so I don't have to read... (1 Reply)
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3. IP Networking
I've got a legit DHCP server on my network. I've got a 3550 as my VTP server providing 4 vlans to 4 2950 switches. If somebody were to plug into one of those vlans with a DHCP server configured then it would throw off my whole network. How could i block the DHCP server that could plug into the... (2 Replies)
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4. Shell Programming and Scripting
Hi!!
I have a problem reading from a fifo pipe in shell script.
The idea is simple, I have a C program with two pipe files:
An input pipe I use to send commands in shell script to the C program (echo "command" > input.pipe)
An output pipe that I read the result of the command also in... (4 Replies)
Discussion started by: victorin
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5. Shell Programming and Scripting
Hello,
Would this be an acceptable way of creating a non-blocking pipe.
Basically I want to create kind of a server client arch.
This code would be in the server, and I don't want to have to wait for
clients to read before moving on to the next client. One problem I
can see is if... (4 Replies)
Discussion started by: cdlaforc
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6. UNIX for Advanced & Expert Users
Hi Folks
I have been debugging a script that is called every thirty seconds. Basically it is doing a ps, well two actually, one to file (read by the getline below) and the other into a pipe. The one into the pipe is: -
V_SYSVPS=/usr/sysv/bin/ps
$V_SYSVPS -p$PIDLIST -o$PSARGS... (0 Replies)
Discussion started by: steadyonabix
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7. Programming
OS : solaris 10 X86
I created stream socket, tries to connect to port 7 on the remote machine.
After doing the non blocking connect call I did select with time out value is 3 secs. I am always getting timed out though I am writing prior to select.
code:
x=fcntl(S,F_GETFL,0);... (1 Reply)
Discussion started by: satish@123
1 Replies
8. Shell Programming and Scripting
Hey all. I am trying to write some scripts and need some assistance.
One:
I already have a script that appends lines to a file. I need a script that will remove those lines from that file, and have no idea how to go about doing this. Just need the command (if any) that can remove lines.
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Discussion started by: Dysruption
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9. IP Networking
Hi
I am starting to practice nmap for my own education.
Now I created two host in virtual box.
Bot are scientific linux, one in installed as web server and the other as developing station.
I tried to run nmap on so I did nmap on their IP address, I got an answer that ip is down or that... (8 Replies)
Discussion started by: programAngel
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10. Programming
among the below socket programming api's, please let me know which are blocking and non-blocking.
socket
accept
bind
listen
write
read
close (2 Replies)
Discussion started by: VSSajjan
2 Replies
LEARN ABOUT CENTOS
fail2ban-regex
FAIL2BAN-REGEX(1) User Commands FAIL2BAN-REGEX(1)
NAME
fail2ban-regex - test Fail2ban "failregex" option
SYNOPSIS
fail2ban-regex [OPTIONS] <LOG> <REGEX> [IGNOREREGEX]
DESCRIPTION
Fail2Ban reads log file that contains password failure report and bans the corresponding IP addresses using firewall rules.
This tools can test regular expressions for "fail2ban".
LOG:
string a string representing a log line
filename
path to a log file (/var/log/auth.log)
"systemd-journal"
search systemd journal (systemd-python required)
REGEX:
string a string representing a 'failregex'
filename
path to a filter file (filter.d/sshd.conf)
IGNOREREGEX:
string a string representing an 'ignoreregex'
filename
path to a filter file (filter.d/sshd.conf)
OPTIONS
--version
show program's version number and exit
-h, --help
show this help message and exit
-c CONFIG, --config=CONFIG
set alternate config directory
-d DATEPATTERN, --datepattern=DATEPATTERN
set custom pattern used to match date/times
--timezone=TIMEZONE, --TZ=TIMEZONE
set time-zone used by convert time format
-e ENCODING, --encoding=ENCODING
File encoding. Default: system locale
-r, --raw
Raw hosts, don't resolve dns
--usedns=USEDNS
DNS specified replacement of tags <HOST> in regexp ('yes' - matches all form of hosts, 'no' - IP addresses only)
-L MAXLINES, --maxlines=MAXLINES
maxlines for multi-line regex.
-m JOURNALMATCH, --journalmatch=JOURNALMATCH
journalctl style matches overriding filter file. "systemd-journal" only
-l LOG_LEVEL, --log-level=LOG_LEVEL
Log level for the Fail2Ban logger to use
-v, --verbose
Increase verbosity
--verbosity=VERBOSE
Set numerical level of verbosity (0..4)
--verbose-date, --VD
Verbose date patterns/regex in output
-D, --debuggex
Produce debuggex.com urls for debugging there
--print-no-missed
Do not print any missed lines
--print-no-ignored
Do not print any ignored lines
--print-all-matched
Print all matched lines
--print-all-missed
Print all missed lines, no matter how many
--print-all-ignored
Print all ignored lines, no matter how many
-t, --log-traceback
Enrich log-messages with compressed tracebacks
--full-traceback
Either to make the tracebacks full, not compressed (as by default)
AUTHOR
Written by Cyril Jaquier <cyril.jaquier@fail2ban.org>. Many contributions by Yaroslav O. Halchenko and Steven Hiscocks.
REPORTING BUGS
Report bugs to https://github.com/fail2ban/fail2ban/issues
COPYRIGHT
Copyright (C) 2004-2008 Cyril Jaquier, 2008- Fail2Ban Contributors
Copyright of modifications held by their respective authors. Licensed under the GNU General Public License v2 (GPL).
SEE ALSO
fail2ban-client(1) fail2ban-server(1)
fail2ban-regex 0.10.2 January 2018 FAIL2BAN-REGEX(1)