> -----Original Message----- > From: netfilter-admin@xxxxxxxxxxxxxxxxxxx > [mailto:netfilter-admin@xxxxxxxxxxxxxxxxxxx] On Behalf Of Afshin Lamei > Sent: Sunday, April 27, 2003 8:12 AM > To: netfilter@xxxxxxxxxxxxxxxxxxx > Subject: How to block a range of IPs? > > > Hi, > How can I write a rule for a custom range of IPs? for > example, I want to > block every WWW packet incoming from eth1, which source is an > IP between > 192.168.1.10 and 192.168.1.20. > please help me writing an example. > thank you > afshin > > You can't, but if you subnet, the closest will be 192.168.1.1 to 192.168.0.14 using mask 255.255.255.240. Or 192.168.1.1 to 192.168.0.30 using mask 255.255.255.224. Example: iptables -A INPUT -i eth0 -p tcp -s 192.168.1.0/255.255.255.240 --dport www -j DROP /Klintan