On 09/29/2010 02:16 PM, Carmel wrote: > While perusing my Apache httpd-error.log, I noticed a large number of > attempts to access my phpmyadmin directory, as well as a few less know > others. Most of these probes originated from China. Since I have no > legitimate business dealing with that region, I decided to create a > table in my IPFW firewall to block them. This is an example: > > > ## IPFW Firewall Rules > > # Set rules command prefix > cmd="ipfw -q add" > > # public interface name of NIC facing the public Internet > pif="nfe0" > > # Lets start by listing known bad IP addresses and blocking them. We > # will put them into a table for easier handling. > > ipfw -q table 1 add 60.0.0.0/8 > ipfw -q table 1 add 61.0.0.0/8 > > $cmd set 1 deny log all from table\(1\) to any in via $pif > > The above is the first entry in my "rules" file. I know that IPFW is > working since I have blocked other ports for other services and it has > worked correctly. > > The problem is that these IPs are not being blocked. I continue to see > them listed in the httpd-error.log. I have rebooted my machine and > therefore am quite certain that these rules are being loaded. > > The problem is that I probably do not understand how to properly block > an IP or range of IPs from accessing my web server correctly. I would > really appreciate any assistance. > > There is an archived thread on the freebsd forums http://forums.freebsd.org/archive/index.php/t-10181.html And a long list of ranges on http://www.parkansky.com/china.htm with uses apaches features to block these address ranges I see this also on our webservers, but it doesn't bother those servers or me Maybe try blocken those ranges first with a rule for each to get the right subnets and put them in a table afterwards?
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