how to stop using *telnet <domain> 25*

[Ben Duncan]

I think the question here is :

Someone outside our network/domain is using a telnet to
port 25 to use the MTA.

Anyone more familiar with iptables know if such a "service"
can be blocked ?

Bruce Marshall wrote:
> On Saturday 24 January 2004 10:57 am, Swapana Ghosh wrote:
> 
>>I ?have already blocked that IP. But the question is they can use another
>>IP, which they did before already once IP with different net work. So how
>>many IPs we will block? That is why i was wondering , if there is a way
>>then we can stop our tension for ever..
> 
> 
> I was going to say  "get rid of the telnet client"  since no one really should 
> be using it for anything...  but...   a) There might be a need for it, or b) 
> he might already have a copy of the client (or could easily get one).
> 
> Is there any clue as to who it is?   In the mail sent?
> 
> 
> 

-- 
Ben Duncan   Phone (601)-355-2574     Fax (601)-355-2573   Cell (601)-946-1220
                         Business Network Solutions
                      336 Elton Road  Jackson MS, 39212
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