WebJul 5, 2024 · To block outgoing traffic to a specific IP, please use the below command and specify the destination IP using “-d” option: iptables -A OUTPUT -p tcp –dport 22 -d 192.168.2.9 -j DROP. In the same way, you can block a range/subnet of IPs. Please just replace the IP by subnet or range. Please remember to run WebJul 5, 2024 · To block outgoing traffic to a specific IP, please use the below command and specify the destination IP using “-d” option: iptables -A OUTPUT -p tcp –dport 22 -d …
Linux Iptables allow or block ICMP ping request - nixCraft
WebSep 12, 2014 · You should consider using LF_IPSET when using any of the following options. WARNING: These lists are never 100% accurate and some ISP's (e.g. AOL) use non-geographic IP address designations for their clients. WARNING: Some of the CIDR lists are huge and each one requires a rule within the incoming iptables chain. WebAug 10, 2024 · If you want to block a connection on a specific port, then you’ll use the following iptables block port command: iptables -A INPUT -s 65.55.44.100 -p tcp … commissariat antony 92
Iptables Block IP - RoseHosting
WebJun 7, 2024 · First, get the line numbers of the rules we want to delete using the following command: iptables -L --line-numbers. This will show you all the IPTables rules with a line number appended to them. Like … WebMay 26, 2015 · 1 Answer. Sorted by: 1. Here it is: iptables -I INPUT 1 -i lo -j ACCEPT iptables -A OUTPUT -p udp --dport 53 -j ACCEPT iptables -A OUTPUT -p tcp -d somewebsite.com --dport 80 -j ACCEPT iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT iptables -P INPUT DROP iptables -P OUTPUT … WebDec 15, 2010 · I believe iptables -I INPUT -p icmp --icmp-type 8 -j DROP should do the trick. For IPv6 you would need something like ip6tables -I INPUT -p icmpv6 --icmp-type 8 -j DROP. Simplest method of disabling ping response is to add an entry in /etc/sysctl.conf file. If the Iptables flushes or stop server will start responding to ping responses again. dsw coupon in-store