Re: kern/43510 (kernel reply TCP-RST for bad checksum TCP-SYN packet)

[Ryo Shimizu <ryo%iij.ad.jp@localhost>]

>State-Changed-From-To: open->feedback
>State-Changed-By: dholland%NetBSD.org@localhost
>State-Changed-When: Tue, 08 Sep 2015 04:53:20 +0000
>State-Changed-Why:
>Did the commit (back in may) fix the problem?

I'm sorry for the late response.
confirmed fixed, thanks!

    172.17.4.74# nping --tcp -p 12345 --badsum 172.17.4.65
    Starting Nping 0.6.47 ( http://nmap.org/nping ) at 2015-09-10 00:44 JST
    SENT (0.0145s) TCP 172.17.4.74:32887 > 172.17.4.65:12345 S ttl=64 id=45439 iplen=40  seq=958630331 win=1480 
    SENT (1.0149s) TCP 172.17.4.74:32887 > 172.17.4.65:12345 S ttl=64 id=45439 iplen=40  seq=958630331 win=1480 
    SENT (2.0154s) TCP 172.17.4.74:32887 > 172.17.4.65:12345 S ttl=64 id=45439 iplen=40  seq=958630331 win=1480 
    ^C 

    172.17.4.65# uname -a
    NetBSD current 7.99.21 NetBSD 7.99.21 (GENERIC) #0: Wed Sep  9 15:04:14 JST 2015  ryo@moveq:/usr/src/sys/arch/amd64/compile/GENERIC amd64
    172.17.4.65# tcpdump -n -ivmx0 host 172.17.4.74
    tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
    listening on vmx0, link-type EN10MB (Ethernet), capture size 65535 bytes
    00:44:10.564825 IP 172.17.4.74.32887 > 172.17.4.65.12345: Flags [S], seq 958630331, win 1480, length 0
    00:44:11.565459 IP 172.17.4.74.32887 > 172.17.4.65.12345: Flags [S], seq 958630331, win 1480, length 0
    00:44:12.565910 IP 172.17.4.74.32887 > 172.17.4.65.12345: Flags [S], seq 958630331, win 1480, length 0
    ^C
    3 packets captured
    3694 packets received by filter
    0 packets dropped by kernel

--
ryo shimizu