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  • Blocking IPs after breakin attempts with tcpwrapper and fail2ban | My 2µF
    duplicate entries removes IPs to be ignored safe machines and adds the data to the hosts allow file of my machine Entries are marked in a way that shows the automatic nature of their existance and previously present data is untouched All daemons supporting this mechanism sshd cupsd vsftpd to name a few can benefit from this A typical entry looks like this auto script begin end ALL www xxx yyy zzz DENY auto script begin end 1 2 3 4 5 auto script begin end ALL www xxx yyy zzz DENY auto script begin end ALL blocks access to all supported daemons but could be replaced with sshd to just block incoming ssh requests from those IPs Download the script Don t forget to add your own sanity checks I just put this script into etc cron daily so it s updated once a day This entry was posted in Computer Server and tagged breakin script server security sshd tcpwrapper Bookmark the permalink 128 64 x 2 Extending to larger matrix displays Expli de electronics competition my my 2 Responses to Blocking IPs after breakin attempts with tcpwrapper and fail2ban jan says September 29 2009 at 19 37 You might want to have a look at DenyHosts it does all of the above and even includes the option to regularly update its blocklist from a centralised server to which you can choose to contribute to Reply robert says September 30 2009 at 17 03 Thanks I ll have a look at it Reply Leave a Reply Cancel reply Your email address will not be published Required fields are marked Comment Notify me of followup comments via e mail Name Email Website Leave this field empty CAPTCHA Code Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2

    Original URL path: http://blog.spitzenpfeil.org/wordpress/2009/06/24/blocking-ips-after-breakin-attempts-with-tcpwrapper-and-fail2ban/ (2016-02-10)
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  • breakin | My 2µF
    firewall policy using iptables The un banning is Continue reading Posted in Computer Server Tagged breakin script server security sshd tcpwrapper 2 Comments Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010 2 October 2010 1 September 2010 1 July 2010 2 June 2010 2 May 2010 4 March 2010 2 February 2010 2 January 2010 2 December 2009 6 November 2009 1 October 2009 2 September 2009 1 August 2009 4 July 2009 8 June 2009 6 May 2009 3 April 2009 5 March 2009

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/breakin/ (2016-02-10)
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  • server security | My 2µF
    firewall policy using iptables The un banning is Continue reading Posted in Computer Server Tagged breakin script server security sshd tcpwrapper 2 Comments Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010 2 October 2010 1 September 2010 1 July 2010 2 June 2010 2 May 2010 4 March 2010 2 February 2010 2 January 2010 2 December 2009 6 November 2009 1 October 2009 2 September 2009 1 August 2009 4 July 2009 8 June 2009 6 May 2009 3 April 2009 5 March 2009

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/server-security/ (2016-02-10)
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  • Blocking referer spam with mod_security2 using Apache2 | My 2µF
    1 SecRule REQUEST HEADERS REFERER ney co cc nolog deny status 500 The filter is just a standard regular expression like you can use in PERL In this case I block all referers that contain the string ney co cc means starts with means ends with The stands for any possible character and indicates that it can occur zero or more times So it filters everything like whatever ney co cc whatever I hope this is good enough to get rid of this spammer I used a PERL script that prints all environment variables that matter I can t post the contents as there is some HTML code inside which WordPress doesn t like If you have execution of cgi scripts enabled just put it into server root cgi bin and open it in a webbrowser test cgi loadmodule conf mod security conf VICTORY Wed Mar 25 19 08 32 2009 error client 89 105 128 33 client denied by server configuration srv www vhosts blog spitzenpfeil org htdocs referer http mortgage pay refinance second magicney co cc 1 2 3 Wed Mar 25 19 08 32 2009 error client 89 105 128 33 client denied by server configuration srv www vhosts blog spitzenpfeil org htdocs referer http mortgage pay refinance second magicney co cc Now I just have to find out if mod security2 interferes with other things I want to work The logfile settings might need some tweaking as I can see the mod security audit logile is growing I also use mod evasive to limit the number of hits per time interval my website tolerates before the requester is blocked for a few seconds This entry was posted in Computer Server and tagged apache2 linux mod evasive mod security2 referer spam Bookmark the permalink 8 8 RGB Matrix V3 KICAD SMD part 1 8 8 RGB Matrix V3 KICAD SMD part 2 Leave a Reply Cancel reply Your email address will not be published Required fields are marked Comment Notify me of followup comments via e mail Name Email Website Leave this field empty CAPTCHA Code Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013

    Original URL path: http://blog.spitzenpfeil.org/wordpress/2009/03/25/blocking-referer-spam-with-mod_security2-using-apache2/ (2016-02-10)
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  • apache2 | My 2µF
    to the local net admin us Continue reading Posted in Computer Server Tagged apache2 linux mod evasive mod security2 referer spam Leave a comment Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010 2 October 2010 1 September 2010 1 July 2010 2 June 2010 2 May 2010 4 March 2010 2 February 2010 2 January 2010 2 December 2009 6 November 2009 1 October 2009 2 September 2009 1 August 2009 4 July 2009 8 June 2009 6 May 2009 3 April 2009 5 March

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/apache2/ (2016-02-10)
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  • mod_evasive | My 2µF
    Complaining to the local net admin us Continue reading Posted in Computer Server Tagged apache2 linux mod evasive mod security2 referer spam Leave a comment Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010 2 October 2010 1 September 2010 1 July 2010 2 June 2010 2 May 2010 4 March 2010 2 February 2010 2 January 2010 2 December 2009 6 November 2009 1 October 2009 2 September 2009 1 August 2009 4 July 2009 8 June 2009 6 May 2009 3 April 2009 5

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/mod_evasive/ (2016-02-10)
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  • A long long time ago I can still remember… | My 2µF
    15 52 Yes I remember those Thankfully I was lucky enough to have had a 2400 modem available at that time And when sending a fax it even sped up to a whopping 9600 The days of Terminate and Z modem and outrageous phone bills Reply Kleedi says May 20 2014 at 09 17 I bought this 2400 modem from you without the power supply so we powered it with the current transformer of my model railroad ATDP 783702 Reply markus says June 7 2014 at 09 39 yea a long time ago remember your WLAN bridge project with the drivers that have to be compiled for Suse Linux and the ISDN dialup Reply Leave a Reply Cancel reply Your email address will not be published Required fields are marked Comment Notify me of followup comments via e mail Name Email Website Leave this field empty CAPTCHA Code Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2

    Original URL path: http://blog.spitzenpfeil.org/wordpress/2014/02/14/a-long-long-time-ago-i-can-still-remember/ (2016-02-10)
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  • history | My 2µF
    analog modem with a 9600 link maybe even 19200 http www windytan com 2012 11 the sound of dialup pictured html Continue reading Posted in Dear Diary Tagged history past pre internet 4 Comments Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010 2 October 2010 1 September 2010 1 July 2010 2 June 2010 2 May 2010 4 March 2010 2 February 2010 2 January 2010 2 December 2009 6 November 2009 1 October 2009 2 September 2009 1 August 2009 4 July 2009 8

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/history/ (2016-02-10)
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