Norton Internet Security and Cygwin: What settings for NIS?

[Chris Taylor]

René Berber wrote:
> surendar jeyadev wrote:
> [snip]
> 
>>I have to try one more thing -- turn of Norton and
>>unplug the cable. But there is something very fishy
>>going one. When I tried to launch Cygwin a few minutes
>>ago, Norton popped up a message saying 
>>'hostname.exe is trying to contact DNS server'. 
> 
> 
> Bingo!  hostname is called from /etc/csh.cshrc and /etc/profile.d/complete.tcsh,
> are you using csh or tcsh?  That would explain what is going on.
> 
> The solution would be to add hostname.exe to the list of programs allowed to use
> the Internet (Windows firewall) or open the respective port (53 if it's using DNS).
> 
> HTH

Beyond that, hostname.exe is used to resolve the network name of the 
machine (the hostname, funnily enough ;)
This will try to contact DNS servers if it needs to, and norton will 
block this by default for any app you don't allow.. It's not the only 
cygwin app that will do so either..
However, following René's suggestion will sort things so that you can 
start cygwin, or should at least.

I should point out that hostname is called in /etc/profile for bash as 
well ( HOSTNAME=`hostname` <-- should this be being changed to 
HOSTNAME=$(hostname) at some point soon?)


Hopefully this sorts it for yourself though - as for cygwin setup - add 
it to the allowed applications (at the very least, it needs DNS (53), 
http (80) and FTP (21) to guarantee it will work with the various mirrors)


Chris
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