In this method we are going to use IpTables . make sure its installed ..
run this to disable ping response:
iptables -I INPUT -i ech0 -p icmp -s 0/0 -d 0/0 -j DROP
and this to allow ping response:
iptables -I INPUT -i ech0 -p icmp -s 0/0 -d 0/0 -j ACCEPT
Continue reading Linux : How do I disable the ping response?-Method -2
How do I disable the ping response?
Add the following line to your init script for the network (the name depends on the distribution you use):
echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all
This disables ping responses.
To reenable, use the following command:
echo 0 >/proc/sys/net/ipv4/icmp_echo_ignore_all
To make this permanent set the following into /etc/sysctl.conf (if you have such
Continue reading Linux : How do I disable the ping response?
Asterisk Voicemail commands
voicemail show users – List defined voicemail boxes voicemail show users for – List defined voicemail boxes for target context voicemail show zones – List zone message formats
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Loopback tap installation on Ubuntu
Mostly i like to practice on GNS3 . SO i need to create multiple look back on my ubuntu Box ..
Here is the way
user@K:~$ sudo –i root@ K:~#apt-get install uml-utilities Reading package lists… Done Building dependency tree Reading state information… Done The following extra packages will be
Continue reading Linux : How to add loopback on ubuntu
TELNET (TELetype NETwork) is a network protocol used on the Internet or local area network LAN connections.
The telnetd program (telnet server) is a server which supports the DARPA telnet interactive communication protocol. Telnetd is normally invoked by the internet server inetd or xinetd for requests to connect to the telnet port as indicated by
Continue reading linux :How do I turn on telnet service on ubuntu?