Configuring sendmail not to reveal internal hostnames

[Errol Neal]

Thanks everyone. I just decided to modify sendmail/conf.c. 

 

-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On
Behalf Of Julian Field
Sent: Wednesday, January 19, 2005 11:44 AM
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: Configuring sendmail not to reveal internal hostnames

Put this in your sendmail.mc file and rebuild the sendmail.cf file

MASQUERADE_AS(`ecs.soton.ac.uk')
FEATURE(masquerade_envelope)
FEATURE(allmasquerade)

Obviously you will want to change ecs.soton.ac.uk to your domain name.

Errol Neal wrote:

>Excuse me, I mean *not* to expose. Sorry
>
>-----Original Message-----
>From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On 
>Behalf Of Errol Neal
>Sent: Wednesday, January 19, 2005 11:16 AM
>To: MAILSCANNER at JISCMAIL.AC.UK
>Subject: OT: Configuring sendmail not to reveal internal hostnames
>
>As the subject says, this is OT. I apologize.
>
>I'm searching for a means by which I can tell sendmail to expose the 
>host names of local computers on our network. The computers are named 
>after the users they are associated with so that reveals a lot to folks

>in the outside world. Anyone know of a means to disable this? I just 
>want to disable the reverse lookup.
>
>
>
>
>

--
Julian Field
www.MailScanner.info
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