netdev - Re: [REGRESSION] NFS is creating a hidden port (left over from xs

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

Date:	Fri, 19 Jun 2015 20:50:24 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Trond Myklebust <trond.myklebust@...marydata.com>
Cc:	Jeff Layton <jlayton@...chiereds.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Anna Schumaker <anna.schumaker@...app.com>,
	Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
	Linux Network Devel Mailing List <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Bruce James Fields <bfields@...ldses.org>
Subject: Re: [REGRESSION] NFS is creating a hidden port (left over from
 xs_bind() )

On Fri, 19 Jun 2015 20:37:45 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:


> > Is it causing any other damage than the rkhunter warning you reported?
> 
> Well, not that I know of. Are you sure that this port will be
> reconnected, and is not just a leak. Not sure if you could waste more
> ports this way with connections to other machines. I only have my
> wife's box connect to this server. This server is actually a client to
> my other boxes.
> 
> Although the rkhunter warning is the only thing that triggers, I still
> would think this is a stable fix, especially if the port is leaked and
> not taken again.

I did some experiments. If I unmount the directories from my wife's
machine and remount them, the port that was hidden is fully closed.
Maybe it's not that big of a deal after all.

-- Steve
--
To unsubscribe from this list: send the line "unsubscribe netdev" in