PF syntax error

[Peter Clark]

Yury Michurin wrote:
> Hello,
> I have in my pf.conf:
>  pass in proto tcp from !<ABUSERS> to any port www flags S/SA synproxy 
> state (max-src-conn 20, max-src-conn-rate 30/60, overload <ABUSERS> 
> flush global)
> 
> and it seems to work just fine...
> 
> Regards,
> Yury.
> 
> On Wed, Oct 15, 2008 at 7:00 PM, Peter Clark <clarkp at mtmary.edu 
> <mailto:clarkp at mtmary.edu>> wrote:
> 
>     Hello,
> 
>     I am not sure if I should be here or over at a pf specific list but
>     here is my problem.
> 
>     I am trying my hand at pf on a 7.0-p5 RELEASE box and one rule is
>     giving me problems.
> 
>     pass in quick on $ext_if proto tcp from any to any port 22 flags S/SA \
>      (max-src-conn 15, max-src-conn-rate 5/3, overload <bruteforce>
>     flush global)
> 
>     Actually the "pass in" line does not generate the error. The next
>     line does.
> 
>     /etc/pf.conf:71: syntax error
>     If I remove the line the error goes away (obviously). I have tried
>     using  the exact line from the FreeBSD pf.conf man page:
> 
>     (max-src-conn-rate 100/10, overload <bad_hosts> flush global)
> 
>     (I changed <bad_hosts> to <bruteforce>)and that generates the same
>     error. I tried just using:
>     (max-src-conn-rate 100/10)
> 
>     but that too gives me a syntax error.
> 
>     Any help is appreciated.
> 
>     Peter Clark
> 
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> 
It is because I do not have a "keep state" directive in mine. I took it 
out because the pf 4.1 default is "flags S/SA keep state". Yours works 
because you have the synproxy state directive.

Thanks,
Peter Clark