Date: Fri, 4 Mar 2011 16:14:44 -0800 From: Patrick Gibson <gibblertron@gmail.com> To: Gary Gatten <Ggatten@waddell.com> Cc: Jorge Biquez <jbiquez@intranet.com.mx>, "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Simplest way to deny access to a class C Message-ID: <AANLkTi=619ih7aP8ic_rTqFWVmk_P2Zrob=XJUsvLfHL@mail.gmail.com> In-Reply-To: <11805_1299196962_4D702C22_11805_70_1_D9B37353831173459FDAA836D3B43499BD354A48@WADPMBXV0.waddell.com> References: <3382016411-764985335@intranet.com.mx> <AANLkTi=Fb_CiA76g79ZkP8o_yWsQcN6iuPD7w=dBxztQ@mail.gmail.com> <11805_1299196962_4D702C22_11805_70_1_D9B37353831173459FDAA836D3B43499BD354A48@WADPMBXV0.waddell.com>
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fail2ban by default only bans an IP for 10 minutes, and that's configurable. It can also email you anytime it imposes a ban, so one can keep an eye on things at least in the beginning to see if it's causing a problem for legitimate users. On Thu, Mar 3, 2011 at 4:02 PM, Gary Gatten <Ggatten@waddell.com> wrote: > Be careful of automated responses. =A0What if someone spoofs IP's of legi= t users / customers / whatever and your automated response blocks them? =A0= Not good. > > I thought about blocking....well, never mind - might pi$$ someone off and= attract unwanted attention... > > -----Original Message----- > From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd-questions= @freebsd.org] On Behalf Of Patrick Gibson > Sent: Thursday, March 03, 2011 5:58 PM > To: Jorge Biquez > Cc: freebsd-questions@freebsd.org > Subject: Re: Simplest way to deny access to a class C > > You might consider mod_security (/usr/ports/www/mod_security) which > can be set up to ban hosts based on behaviour or characteristics. > > Or fail2ban (/usr/ports/security/py-fail2ban) is really great, too, in > that it scans whatever logs you want, and can trigger a block in your > firewall if enough violating log entries are found within a particular > period of time. Everything is totally configurable, and there are > plenty of examples that come with it. > > Patrick > > > On Thu, Mar 3, 2011 at 8:59 AM, Jorge Biquez <jbiquez@intranet.com.mx> wr= ote: >> Hello all. >> >> I am sorry in advance if this question sounds too stupid. >> >> I have a small server for personal use of webpages running: >> >> 7.3-PRERELEASE FreeBSD 7.3-PRERELEASE #0 >> >> it is working fine , no problem very stable. >> >> I just need to block some IP class C address that are always trying to >> "discover" directories or applications under the web server. They do not= do >> and can not do anything since this server has nothing installed but i am >> tired of seeing in the logs all the intents they do every 2-3 seconds. >> >> I have not installed any kind of firewall yet. >> What do you think is the best way to accomplish this task? If possible t= he >> easiest one. I do not want to do anything else but just bloc IP's, at th= is >> moment at least. >> >> Thanks in advance. >> >> Jorge Biquez >> >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.= org" >> > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.o= rg" > > > > > > <font size=3D"1"> > <div style=3D'border:none;border-bottom:double windowtext 2.25pt;padding:= 0in 0in 1.0pt 0in'> > </div> > "This email is intended to be reviewed by only the intended recipient > =A0and may contain information that is privileged and/or confidential. > =A0If you are not the intended recipient, you are hereby notified that > =A0any review, use, dissemination, disclosure or copying of this email > =A0and its attachments, if any, is strictly prohibited. =A0If you have > =A0received this email in error, please immediately notify the sender by > =A0return email and delete this email from your system." > </font> > >
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