netdev - Re: [PATCH net-next 2/2] tcp: add TCPWinProbe SNMP counter

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <1430942410.14545.86.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Wed, 06 May 2015 13:00:10 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Eric Dumazet <edumazet@...gle.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	Neal Cardwell <ncardwell@...gle.com>,
	Yuchung Cheng <ycheng@...gle.com>,
	Nandita Dukkipati <nanditad@...gle.com>
Subject: Re: [PATCH net-next 2/2] tcp: add TCPWinProbe SNMP counter

On Wed, 2015-05-06 at 05:52 -0700, Eric Dumazet wrote:
> Diagnosing problems related to Window Probes has been hard because
> we lacked a counter.
> 
> TCPWinProbe counts the number of ACK packets a sender has to transmit
> at regular intervals to make sure a reverse ACK packet opening back
> a zero window had not been lost.

As Yuchung & Neal suggested, we'll introduce a separate TCPKeepAlive
SNMP counter in V2

Please do not apply this patch, thanks !


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html