setting firewalls remotely

hi,
i have medium firewall installed in my remote linux. i can ssh now. but i want to enable telnet too .is this possible remotely?
jimr100Asked:
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softplusCommented:
Can you give us some more information?
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jimr100Author Commented:
hi ,
i am remotely logging to the system through putty. after a reboot i lost connections to the machine. admin reallowed the ssh from there.but telnet,ftp are still disabled as they give no route to host. so i want to set these up remotely.can i run the command redhat-config-securitylevel remotely.  
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jimr100Author Commented:
hi,
i was asking this inoder to get connected to mysql. i thought that telnet was necessary for this. but got a reply from expert that only port 3306 has to enabled for this.can i do this from remote machine.
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