Re: Network Problems after upgrade to NetBSD 4.99.65

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

On Wed, 18 Jun 2008 14:53:56 -0600
"John R. Shannon" <john%johnrshannon.com@localhost> wrote:

> I found web browsing equally hosed. I rebooted with a 4.99.63 kernel
> and everything worked.
> 
On an up-to-the-minute 4.99.65 kernel, I'm not seeing any problems.
I've copied several gigabytes of first /dev/zero and then /dev/urandom
via ssh from an older NetBSD box to the 4.99.65/i386 box, with no ssh
error messages.  I'm also not seeing any web problems.

I was using an older userland, and the box in question has a bge
interface.

> M Graff wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> > 
> > John R. Shannon wrote:
> > | With ssh I'm getting:
> > |
> > | Disconnecting: Corrupted MAC on input.
> > 
> > I've been seeing this off and on for the last 3-4 months.  I was
> > told it was due to the tunnel I use -- it's a IPv4 and IPv6 tunnel
> > over IPv4 using the gif interface.  However, I've not seen this
> > error occur before ~ and that tunnel has been in place many, many
> > years.
> > 
> > Is something silently corrupting our TCP streams I wonder?
> > 
> > - --Michael
> 
> 



                --Steve Bellovin, http://www.cs.columbia.edu/~smb