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Date: Mon, 30 Oct 2000 20:59:31 +0900 (JST)
Message-Id: <200010301159.UAA22824@ff.iij4u.or.jp>
From: Yu Ooasa <you@dearest.net>
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: <200010290424.NAA24415@aerith.cks.canon.co.jp>
References: <200010281027.TAA21009@ff.iij4u.or.jp> <200010290424.NAA24415@aerith.cks.canon.co.jp>
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Subject: [FreeBSD-users-jp 56509] Re: tcp connection error
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$B$*$*$"$5$G$9(B

On Sun, 29 Oct 2000 13:24:46 +0900
"K.[NAO-NAO].Kawai" <kawai@scotch.cks.canon.co.jp> wrote:
>Windows $B$G!"(Bpacket capture soft $B$b$"$j$^$9$h!#(B
>vector $B$G!"%Q%1%C%H%-%c%W%A%c!<(B $B$G!"(B3$B7o(B $B$H$+!#(B

$B>pJs$"$j$,$H$&$4$6$$$^$9!#(Bwindump$B$O$[$H$s$I$^$H$b$KF0$+$J$$$N$GD|$a$F(B
$B$$$?$N$G$9$,!"(Bvector$B$K7G:\$5$l$F$$$k(BFreePeek$B$,0BDj$7$FF0$/$h$&$J$N$G(B
$B;n$7$F$_$^$7$?!#>iD9$+$b$7$l$^$;$s$,0zMQ$7$^$9!#(B

Destination        Gateway            Flags     Refs     Use     Netif Expire
default            192.168.0.6        UGSc        7     9300     fxp0
192.168.0.2        0:a0:c9:91:2e:72   UHLW        1     4450      lo0
192.168.0.6        0:a0:de:0:9a:bd    UHLW        7     4460     fxp0    785

fxp0: inet 192.168.0.2 netmask 0xfffffff8 broadcast 192.168.0.7
RT102i: 192.168.0.6/29 (default 192.168.0.6/29)

>Time = 20:16:35:999, Length = 60
>
>MAC: Destination Address: 00-A0-DE-00-9A-BD
>MAC:                           (Unknown)
>MAC:      Source Address: 00-A0-C9-91-2E-72
>MAC:                           (Intel (PRO100B and PRO100+) [used on Cisco PIX firewall among others])
>MAC:       Ethernet Type: 2048
>MAC:                     (DOD Internet Protocol (IP))
>
>IP: Version: 4, Header Length: 5, Total Length: 44
>IP: Service Type:
>IP:         Precedence: 0
>IP:
>IP:              Delay: 1
>IP:         Throughput: 0
>IP:        Reliablitiy: 0
>IP:           Low-cost: 0
>IP:
>IP: Flagmentation Control:
>IP:       Identification: 0xE16C(57708)
>IP:        ( reserved )   bit: 0
>IP:       do not fragment bit: 1
>IP:        more fragments bit: 0
>IP:       Fragment Offset: 0
>IP:
>IP: Time To Live: 64 (Seconds/Hops)
>IP: Protocol: 0x06(TCP)
>IP: Header Checksum: CBAF
>IP:      Source Address = 192.168.0.2
>IP: Destination Address = 202.232.2.13
>
>TCP:      Source Port: 2413(-)
>TCP: Destination Port: 80(www-http)
>TCP:         Sequence Number: 2843305624
>TCP:  Acknowledgement Number: 0
>TCP:           Header Length: 24
>TCP:
>TCP: Code Bits
>TCP:                     URG: 0
>TCP:                     ACK: 0
>TCP:                     PSH: 0
>TCP:                     RST: 0
>TCP:                     SYN: 1
>TCP:                     FIN: 0
>TCP:
>TCP:                  Window: 16384
>TCP:                Checksum: 45239
>TCP:          Urgent Pointer: 0
>TCP:
>TCP: Options: (4bytes)
>0000(   0)  020405B4                             ...$B%((B
>
>Data: 0Bytes

$B:Y$+$$$H$3$m$^$G$O$h$/M}2r$G$-$F$$$^$;$s$,!"(Bfxp0$B$+$i$O$$$A$*$&LdBj$J$/(B
$B=P$F9T$C$F$k$h$&$G$9$M!#(B

>$B$b$7$+$9$k$H(B netstat -i $B$G$N!"(Bpacket $BA}2C$r$_$k$@$1$G$b!"0UL#$,$"$k$+$b!#(B

Opkts($B$H(BIpkts)$B$b=gD4$KA}2C$7$F$$$k$h$&$K8+$($^$9!#$d$O$j%k!<%?B&$NLdBj(B
$B$J$N$G$7$g$&$+!D(B

>$B$*(B>$B$=$l$K$7$F$b(BFreeBSD reboot$B$GI|5l$9$k$N$,Ff$G$9$,!#(B
>keep-alive $B$JDL?.$,!"(Breboot $B$G!"(Bclear $B$5$l$k$H$+!"(B
>$B$@$H$9$k$H(B RT102 $B$N(B reboot $B$G$b$h$+$C$?$j!)(B

$B$=$&!"4N?4$J$3$H$r=q$-K:$l$F$$$?$h$&$G$9$,!"%k!<%?$r(Breboot$B$7$F$b>I>u$O(B
$B2~A1$5$l$^$;$s!#$3$N;v$+$iEv=i$O0B0W$K(BFreeBSD$B$N=j0Y$G$O$J$$$+$H?dB,$7$F(B
$B$$$?$N$G$9$,!"$I$&$K$b$I$A$i$NLdBj$J$N$+@Z$jJ,$1$,H=$i$J$/$J$C$F$-$^$7$?!#(B

$B$A$J$_$K(BRT102i$BB&$G$O%U%#%k%?$N@_Dj$r:GDc8B(B(port 137-139$B$N(Bkick)$B$K$7$F$b(B
$B$J$s$i$N2~A1$b8+$i$l$^$;$s!#$b$H$b$H$=$l$[$I$-$D$$@)8B$O$+$1$F$$$J$$$N(B
$B$G$9$,!#(B

>5 $BF|$G(B time out $B$9$k$b$N$@$H$9$k$H!"(Bsendmail $B$N(B mqueue $B$H$+!%!%!%(B
>DNS $B$O!"$I$&$7$F$^$9!)(Bcache $B$d(B secondary $B$N(B expire $B$H$+!"(B
>IP address $B;XDj$G$O$D$J$,$C$?$j$7$^$;$s!)(B

sendmail_enable="NO" $B$G(Bsendmail$B$O>e$2$F$$$^$;$s!#(BDNS$B$b(Bresolv.conf$B$G(BISP
$B$N(Bnameserver$B$rD>@\0z$$$F2r7h$7$F$$$^$9!#(BIP$B%"%I%l%9$rD>@\;XDj$7$F$b>I>u$O(B
$BJQ$o$j$^$;$s!#(B

--
Yu Ooasa  E-mail: you@dearest.net

