--> Devnullius's Choices: A list of default programs to keep your PC running well!
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iptables -N SSH_BANiptables -A INPUT -p tcp --dport 22 -m state --state NEW -j SSH_BANiptables -A SSH_BAN -m recent --set --name SSHiptables -A SSH_BAN -m recent --update --seconds 60 --hitcount 4 --name SSH -j DROPiptables-save > /etc/sysconfig/iptables/sbin/service iptables save
[root@bench ~]# iptables -L -vChain INPUT (policy ACCEPT 374M packets, 106G bytes) pkts bytes target prot opt in out source destination 176K 10M SSH_BAN tcp -- any any anywhere anywhere tcp dpt:ssh state NEWChain FORWARD (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destinationChain OUTPUT (policy ACCEPT 274M packets, 395G bytes) pkts bytes target prot opt in out source destinationChain SSH_BAN (1 references) pkts bytes target prot opt in out source destination 176K 10M all -- any any anywhere anywhere recent: SET name: SSH side: source 164K 9812K DROP all -- any any anywhere anywhere recent: UPDATE seconds: 60 hit_count: 4 name: SSH side: source[root@bench ~]#
In cryptanalysis and computer security, a dictionary attack is a technique for defeating a cipher or authentication mechanism by trying to determine its decryption key or passphrase by searching likely possibilities....
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