From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralph Blach Subject: Re: propper logging and dropping Date: Fri, 16 Oct 2009 10:36:16 -0400 Message-ID: <4AD884E0.2080507@gmail.com> References: <4AD7E857.6020100@gmail.com> <4AD821BB.6060205@chello.at> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=H1DB4FF9mQ8IHFEjvfLkgfo5T+h1G0rkA1ITpXz7gos=; b=Wvng/bHyh1mc22HDECAJd308LfammpfD83vjYFf0DJUpXWVB46vFybA5kPmUWkYUn1 xzCEvqbkHRbeAYbyO1T7YAzC+A9qotpu+9gQYjeI767wzJDIbqHx+Wf7HhPt2enblYNs c2YY1qEKdkEC5fHHOZUNw/q/bhvah169baUJc= In-Reply-To: <4AD821BB.6060205@chello.at> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: netfilter@vger.kernel.org Mart, Not Quite, 10.0.0.1 10.0.0.2 ---rest of home network 10.0.0.x ----internet----| firewal | -------Linux server What I want to do is allow the 10.0.0.x network. Log packets that are not whose source address are not the 10.0.0.x network, with certain exceptions, like the time server and dns server, Drop and log specifially designated subnets that seem to pound probe port 22. Chip What I want to do is allow all 10. Mart Frauenlob wrote: > netfilter-owner@vger.kernel.org wrote: >> Good evening, >> >> I currently have the following macro. >> >> /sbin/iptables -N LOGDROP >> /sbin/iptables -A LOGDROP -i wlan0 ! -s 10.0.0.2 -j LOG >> --log-level info >> /sbin/iptables -A LOGDROP -j DROP >> /sbin/iptables -A INPUT -i wlan0 -s 58.102.198.29/255.255.255.0 -j >> LOGDROP >> >> What I really wan to do is log address and excluding certain subnets, >> and address, but drop others on offending networks. >> So I want to log addresses to wlan0 whose source address is not >> 10.0.0.2, but drop subnets which I exclude. >> >> What is the best way to do this >> >> Thanks >> >> Chip >> > > If I get your question right: > > $IPT -N LOGDROP > $IPT -A LOGDROP -s 10.0.0.2 -j RETURN > $IPT -A LOGDROP -j LOG --log-level INFO > $IPT -A LOGDROP -j DROP > > $IPT -A INPUT -i wlan0 -s 10.0.0.0/24 -j LOGDROP > $IPT -A INPUT -i wlan0 -s 58.102.198.29/24 -j LOGDROP > ... > > Regards > > Mart >