balaji,

ipchains -F
ipchains -A input -s 192.168.0.0/24 -p tcp --dport 21 -j ACCEPT
ipchains -A input -s 192.168.0.0/24 -j REJECT

1. i have assumed that u want to stop ALL EXCEPT ftp on ur network
192.168.0.0/24. so replace with suitable.
2. i have flushed all rules b4 setting new ones, so if u have other
rules then u have to chk the sequence.
3. i m not sure about ipchains, if it has "input" or "INPUT" chain. so u
can interchange if prob comes.

vineet
> From: balaji <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: [LIH]problem with ipchains
> Date: 05 Feb 2003 17:06:41 +0530
> 
> dear sir/madam,
> i have a problem.i want to restrict my machines access to only incomming ftp 
> access & want to disable the others.can someone help me.
> 
> ----
> 

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