This is the script I have been using...
examples
at the cli ...
blockip 192.168.1.26
or
blockip 192.168.0.0/16
or
blockip 192.168.1.0/24
works immediately and creates a rc.blockedips file for use on reboot
to reinstate the currently blocked ip's.
-- snip blockip -----
#!/bin/bash
logf="/var/log/blockip.log"
mdate=`date +%c`
mip=$1
### must be root ###
if [ `whoami` != "root" ]; then
echo ""
echo "$0 must be run as root"
echo ""
exit 1
fi;
export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
is_ip="grep -Ec
'^[1-2]?[0-9]?[0-9]\.[0-2]?[0-9]?[0-9]\.[0-2]?[0-9]?[0-9]\.[0-2]?[0-9]?[0-9](\/[0-3]?[0-9])?$'"
if [ `echo $1 |eval $is_ip` != "1" ]; then
echo "$mdate Error in IP address $1" >> $logf
echo "$mdate Error in IP address $1"
else
iptables -I INPUT -s $1 -j DROP
echo "iptables -I INPUT -s $1 -j DROP" >> /etc/rc.d/rc.blockedips
echo "$mdate now dropping all packets from $1" >> $logf
fi;
-- end snip ----
On 4/08/2014 18:22, ChandranManikandan wrote:
Hi Ravi,
Use in IPTABLES to block it.
On Mon, Aug 4, 2014 at 2:41 PM, Linux <li...@ikf.co.in
<mailto:li...@ikf.co.in>> wrote:
Hi,
Please guide, How to block range of IP's for incoming mail?
IP: 209.85.xxx.xxx
Thanks,
Ravi
--
*/Thanks & Best Regards,
Manikandan.C
/*
