Telnet in Linux

Telnet is developed focusing on client to server connection for data transfer. Telnet connects to the server in a plain text format. It was developed in 1969, due to security drawbacks it has been replaced by SSH in 1995. To check whether telnet is...

Commonly used port numbers

The following are the frequently used port numbers. FTP data transfer mode – 20 FTP control(command) mode – 21 SSH – 22. Telnet – 23.. WHOIS – 43. DNS – 53 NNTP(Network news Transfer Protocol)-119 Web service port numbers ====================== http-80 Mysql-3306 https-443 Control panel default...

MRTG Installation steps

MRTG installation ================= SNMP installation [user@linux]#yum install net-snmp* Configuration of snmpd.conf ============================ Inside the /etc/snmp/ folder, there will be the snmp configuration file named, snmpd.conf #mv snmpd.conf snmpd.conf.old #vi snmpd.conf Enter the following line in the new configuration file to...