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

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
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