COMMAND PROMPT Question As a security administrator, you are asked to harden a s

Question

COMMAND PROMPT Question As a security administrator, you are asked to harden a server running Red Hat Enterprise Server 5.5 64-bit This server is being used as a DNS and time server. It is not used as a database, web server, or print server There are no wireless connections to the server and it does not need to print. You need to disable and turn off unrelated services and processes. The command window will be provided along with root access. You are connected via secure shell with root access. You may query help for a list of commands Instructions: It is possible to simulate a crash of your server session. The simulation can be reset but the server cannot be rebooted

Explanation / Answer

In Order to deactivate web services , database services and print service, we can do following things

1) deactivate its services

/etc/init.d/apache2 stop

/etc/init.d/mysqld stop

2) close ports for these services

Web Server

iptables -I INPUT -p tcp -m tcp --dport 443 -j REJECT
service iptables save

Print Server

iptables -I INPUT -p tcp -m tcp --dport 631 -j REJECT
service iptables save

Database Server

iptables -I INPUT -p tcp -m tcp --dport <<port umber>> -j REJECT
service iptables save

3) Kill the process any running for the same

ps -aef|grep mysql

kill -9 <<process id>>

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