http proxy:suggestion

[Julian Field]

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shuttlebox wrote:
> On Fri, Feb 22, 2008 at 3:49 PM, David Lee <t.d.lee at durham.ac.uk> wrote:
>   
>>  Julian: A suggestion to assist large sites which sit behind tight
>>  firewalls...
>>
>>  The "cron.daily" scripts "update_phishing_sites" and "update_spamassassin"
>>  need to reach out to remote websites.  But at some large sites, the
>>  general practice is for web browsers to divert via a cache service. In
>>  this context the MS "update*" scripts are web clients (pseudo-browsers)
>>  and so the site-friendly way for the sites to work would be to honour any
>>  "http_proxy" environment variable.
>>
>>  That is almost, but not quite, already in place.  (Run manually, with
>>  explicit "http_proxy", it works.)
>>
>>  What still seems absent is recognising "http_proxy" when run under "cron".
>>
>>  Those scripts already do:
>>    if [ -f /etc/sysconfig/MailScanner ] ; then
>>         . /etc/sysconfig/MailScanner
>>    fi
>>
>>  But that file seems oriented to variables specific to "MailScanner.conf".
>>
>>  Could there also be a "/etc/sysconfig/MailScannerEnv" (or similar) whose
>>  purpose would be for environment variables for scripts?
>>     
>
> I'm all for supporting environment variables like http_proxy but if
> the scripts should be overhauled it would be better if they were made
> in a more Unix generic way. Sysconfig isn't even a Linux standard but
> a Red Hat one. :-)
>   
I believe SuSE use /etc/sysconfig too. I don't use a proxy at all, so 
have no easy way to test any of this. If you want to modify the scripts 
and send me the modified ones, I'll take a look at your changes certainly.


Jules

- -- 
Julian Field MEng CITP CEng
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