how u use the iptable firewall to restrict ssh,telnet,ftp

9 Answers  

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There are 4 network Interfaces, how can we find which one is Primary.

2 Answers  

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what is the difference between semaphore, mutex & spinlock?????

1 Answers   Patni,

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why /etc/shadow file do not have any permission ?

0 Answers   IBM,

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What is the difference between RedHat linux and Fedora and Ubuntu?

3 Answers   CSC,

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I want to configure production interface and manage interface, how to configure both interfaces in Linux. please post the answers

0 Answers  

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How can i recover the linux system after it was crashed by step by step process..

3 Answers   IBM,

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What is the difference between Telnet and SSH?

17 Answers   Bayer, KTree,

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in linux gui desktop icon was lost how con u back this icons

2 Answers  

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what is the gate of ftp server in redhat linux?

0 Answers  

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commands regarding the adding of users into groups n different options with useradd...?

5 Answers   IBM,

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1. User gaves df -h and the system get hanged. why ? 2. what is the hardlink and softlink mount ? 3. why is portmape should be started ? 4. what is nologin option 5. how to restrict users from accessing nfs ? 6. what is the difference between cpio and tar 7. what are the kernel parameters ? how to find out it ? 8. why we use sysctl.conf ? 9. if we gives init1 from multiuser runlevel, will it affect other users who already logged in to the system ? 10. what will be the available space to use after configuering raid5 with 5 disks each having 5gb spce ?

0 Answers   Oracle,

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