[ale] iptables slowing down the website?

[ups at tree.com (Stephan Uphoff)]

Try adding udp for dns.

Christopher Bergeron wrote:
> Does anyone know why the usage of iptables could slow down a webserver?
> 
> My website uses mysql, httpd, and dns.
> 
> My rules are similar to the following:
> 
> DROP all INPUT by default
> let any output flow (OUTPUT ACCEPT)
> INPUT from dns accepted (INPUT -p tcp -j ACCEPT)
> INPUT from httpd accepted (INPUT -p tcp -j ACCEPT)
> INPUT from mysql accepted (INPUT -p tcp -j ACCEPT)
> 
> I'm no iptables guru, but my rules make sense (at least to me).  Is 
> there something that I'm missing?
> 
> Thanks in advance,
> CB
> 
> 
> 
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