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From: Anonymous <swell.k@gmail.com>
To: Hiroki Sato <hrs@FreeBSD.org>
References: <200910020227.n922RnBd086217__26713.9191426852$1254450512$gmane$org@svn.freebsd.org>
Date: Sat, 03 Oct 2009 01:10:15 +0400
In-Reply-To: <200910020227.n922RnBd086217__26713.9191426852$1254450512$gmane$org@svn.freebsd.org>
	(Hiroki Sato's message of "Fri, 2 Oct 2009 02:27:49 +0000 (UTC)")
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org
Subject: Re: svn commit: r197698 - head/etc/rc.d
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Hiroki Sato <hrs@FreeBSD.org> writes:

> Modified: head/etc/rc.d/netoptions
[...]
>  
>  	if checkyesno tcp_extensions; then
> +		${SYSCTL_W} net.inet.tcp.rfc1323=1 >/dev/null
> +	else
>  		netoptions_init
> -		echo -n ' rfc1323 extensions=NO'
> +		echo -n ' rfc1323 extensions=${tcp_extensions}'
                                             ^^^^^^^^^^^^^^^^^
Here.

>  		${SYSCTL_W} net.inet.tcp.rfc1323=0 >/dev/null
>  	fi
>  
> -	if ! checkyesno tcp_keepalive; then
> +	if checkyesno tcp_keepalive; then
> +		${SYSCTL_W} net.inet.tcp.always_keepalive=1 >/dev/null
> +	else
>  		netoptions_init
> -		echo -n ' TCP keepalive=NO'
> +		echo -n ' TCP keepalive=${tcp_keepalive}'
                                        ^^^^^^^^^^^^^^^^
Here.

>  		${SYSCTL_W} net.inet.tcp.always_keepalive=0 >/dev/null
>  	fi
>  
>  	if checkyesno tcp_drop_synfin; then
>  		netoptions_init
> -		echo -n ' drop SYN+FIN packets=YES'
> +		echo -n ' drop SYN+FIN packets=${tcp_drop_synfin}'
                                               ^^^^^^^^^^^^^^^^^^
And here. These are *single* quotes, no parameter expansion can occur.
I keep getting following in `dmesg -a'

    Additional TCP/IP options:
     drop SYN+FIN packets=${tcp_drop_synfin}
    .