why is bash trying to access my DNS?

Randall R Schulz rrschulz@cris.com
Tue Mar 4 03:54:00 GMT 2003


Geoffrey,

What's the problem? Who care's about host name lookups? Is there a 
security issue with DNS activity? Why do you want to circumscribe 
outbound access so tightly? It's inbound connections you need to be 
concerned about.


Randall Schulz


At 19:07 2003-03-03, Geoffrey Hausheer wrote:
>One more thing, I forgot to ask...
>
>On Mon, 03 Mar 2003 18:46:09 -0800, "Geoffrey Hausheer" said:
> > Thank you, this indeed is the issue, as can be seen from the very next
> > line after the wsock call:
> > 5495150 5519336 [main] bash 1940 cygwin_gethostname: name Holly
>
>I don't suppose there is any way to prevent all of these hostname lookups
>(since they are obviously sommething somewhat recent)?
>For bash I can just tell ZoneAlarm to ignore it, and all is well, but
>since applications like vim seem to be doing the same thing  (and yes I
>removed \h from my PS1 line, just to be sure), the whole point of
>installing ssh (to get sshd working) has gone out the window since
>anytime I run a program that uses hostname, ZoneAlarm will complain on my
>local desktop, and my remote session will hang (Obviously, I could let
>all outgoing programs access the internet freely, but preventing that is
>half the reason I run ZoneAlarm in the first place)
>
>Thanks again,
>Geoff


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