Preventing reverse DNS lookups

[Eric Smith]

Thorsten Kukuk wrote:
> On Fri, Dec 14, Eric Smith wrote:
> 
>> I've googled this for several hours and gotten nowhere, so I'm turning 
>> to this list in hopes someone can point me in the right direction.
>>
>> I think this is a PAM question.  If not, my apologies.
>>
>> I want to prevent reverse DNS lookups on log lines like this:
>>
>> Dec 13 20:13:14 myhost vsftpd: pam_unix(vsftpd:auth): authentication 
>> failure; logname= uid=0 euid=0 tty=ftp ruser=adrian 
>> rhost=s42.deinprovider.de
> 
> Please see "man pam_set_item" and search for "PAM_RHOST". This item
> is set by the application, not PAM.

I feared as much.  I came across pam_set_item while researching this. 
I'll look through the vsftpd docs.

Thanks for the responses.

Eric.