checking SO_ACCEPTFILTER with netstat(1)/sockstat(1)

[Maxim Konovalov]

On Fri, 20 Jul 2007, 11:37-0400, Brian A. Seklecki wrote:

>
> Neither appear to support extracting the setsockopt(2) list.  lsof(8) to the
> rescue:
>
> $ sudo lsof -T f | grep -i ACCEPTF | more
>
> httpd 38396 root 3u IPv6 0xc2824378 0t0 TCP *:http
> (SO=ACCEPTCONN,ACCEPTFILTER,KEEPALIVE,PQLEN=0,QLEN=0,QLIM=
>                 ^^^^^^^^
> 128,RCVBUF=262144,REUSEADDR,SNDBUF=262144
> TF=MSS=1024,NODELAY,REQ_SCALE,REQ_TSTMP)
>
> A little bit more definitive than "Oh hey apache stopped complaining."
>
>
> Any other way?
>
I think lsof(8) just parses net.inet.tcp.pcblist OID.  You could look
at struct xtcpcb definition and extract xtcpcb.xt_socket.so_options
from the above sysctl.

HTH.

-- 
Maxim Konovalov