more
Standard

Funny Commands of Linux

Install sl

root@anit:~# apt-get install sl 		(In Debian like OS)
root@anit:~# yum -y install sl 		        (In Red Hat like OS)

Output

root@anit:~# sl

sl2

Install Cowsay

root@anit:~# apt-get install cowsay 		(for Debian based OS)
root@anit:~# yum install cowsay		(for Red Hat based OS)

Output

root@anit:~# cowsay I Love Gusaa 

 ____________
< I Love Gusaa >
 ------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||
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Standard

Iptables rules from scan.

-A INPUT -p tcp --tcp-flags SYN,ACK SYN,ACK -m state --state NEW -j DROP
-A INPUT -p tcp --tcp-flags ALL NONE -j DROP
-A INPUT -p tcp --tcp-flags SYN,FIN SYN,FIN -j DROP
-A INPUT -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
-A INPUT -p tcp --tcp-flags ALL SYN,RST,ACK,FIN,URG -j DROP
-A INPUT -p tcp --tcp-flags FIN,RST FIN,RST -j DROP
-A INPUT -p tcp --tcp-flags ACK,FIN FIN -j DROP
-A INPUT -p tcp --tcp-flags ACK,PSH PSH -j DROP
-A INPUT -p tcp --tcp-flags ACK,URG URG -j DROP
-A INPUT -p tcp -m state --state NEW -m recent --set
-A INPUT -p tcp -m state --state NEW -m recent --update --seconds 30 --hitcount 10 -j DROP
-A FORWARD -p tcp -m state --state NEW -m recent --set
-A FORWARD -p tcp -m state --state NEW -m recent --update --seconds 30 --hitcount 10 -j DROP
-A INPUT -p tcp ! --syn -m state --state NEW -j DROP
more
Standard

NFS server iptables

-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p udp --dport 111 -j ACCEPT
-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p tcp --dport 111 -j ACCEPT
-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p tcp --dport 2049 -j ACCEPT
-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p tcp --dport 32769 -j ACCEPT
-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p udp --dport 32769 -j ACCEPT
-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p tcp --dport 892 -j ACCEPT
-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p udp --dport 892 -j ACCEPT
-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p tcp --dport 875 -j ACCEPT
-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p udp --dport 875 -j ACCEPT
-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p tcp --dport 662 -j ACCEPT
-A RH-Firewall-1-INPUT -s 192.168.1.0/24 -m state --state NEW -p udp --dport 662 -j ACCEPT

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