sockstat / netstat output 8.x vs 7.x

Julian Elischer julian at elischer.org
Tue May 11 20:24:11 UTC 2010


On 5/11/10 12:20 PM, Wes Peters wrote:
> The output header is instructive:
>
> USER     COMMAND    PID   FD PROTO  LOCAL ADDRESS         FOREIGN ADDRESS
> www      httpd      18423 3  tcp4 6 *:80                  *:*
> www      httpd      18423 4  tcp4   *:*                   *:*
> www      httpd      25184 3  tcp4 6 *:80                  *:*
> www      httpd      25184 4  tcp4   *:*                   *:*
>
> Same as 7, it's the foreign address.  This is normally only useful for
> connected sockets.
>
> On Tue, May 11, 2010 at 11:14 AM, Mike Tancsa<mike at sentex.net>  wrote:
>> [trying on freebsd-net since no response on stable]
>>
>> I noticed that apache on RELENG_8 and RELENG_7 shows up with output I cant
>> seem to understand from sockstat -l and netstat -naW
>>
>> On RELENG_7, sockstat -l makes sense to me
>> ....
>> www      httpd      83005 4  tcp4   *:443                 *:*
>> www      httpd      82217 3  tcp4   *:80                  *:*
>> www      httpd      82217 4  tcp4   *:443                 *:*
>> www      httpd      38942 3  tcp4   *:80                  *:*
>> www      httpd      38942 4  tcp4   *:443                 *:*
>> root     httpd      1169  3  tcp4   *:80                  *:*
>> root     httpd      1169  4  tcp4   *:443                 *:*
>>
>>
>> various processes listening on all bound IP addresses on ports 80 and 443.
>>
>> On  RELENG_8 however, it shows up with an extra entry (at the end)
>>
>> www      httpd      29005 4  tcp4   *:*                   *:*
>> www      httpd      29004 3  tcp4 6 *:80                  *:*
>> www      httpd      29004 4  tcp4   *:*                   *:*
>> www      httpd      29003 3  tcp4 6 *:80                  *:*
>> www      httpd      29003 4  tcp4   *:*                   *:*
>> www      httpd      66731 3  tcp4 6 *:80                  *:*
>> www      httpd      66731 4  tcp4   *:*                   *:*
>> root     httpd      72197 3  tcp4 6 *:80                  *:*
>> root     httpd      72197 4  tcp4   *:*                   *:*
>>
>>
>> *:80 makes sense to me... process is listening on all IPs for port 80.  What
>> does *:* mean then ?

I believe it has created a socket but not used it for anything
it may be the 6 socket... otherwise I don't see what a "tcp4 6" is 
meant to be.


>>
>> Netstat gives a slightly different version of it
>>
>> Active Internet connections (including servers)
>> Proto Recv-Q Send-Q  Local Address          Foreign Address       (state)
>> tcp4       0      0 *.1984                 *.*                    LISTEN
>> tcp4       0      0 *.*                    *.*                    CLOSED
>> tcp46      0      0 *.80                   *.*                    LISTEN
>>
>> state closed ?
>>
>>         ---Mike
>>
>>
>>
>> --------------------------------------------------------------------
>> Mike Tancsa,                                      tel +1 519 651 3400
>> Sentex Communications,                            mike at sentex.net
>> Providing Internet since 1994                    www.sentex.net
>> Cambridge, Ontario Canada                         www.sentex.net/mike
>>
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>
>
>



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