workaround for VMware WS NAT bug triggered by OpenSSH 7.8p1 changes

From: Yuri Pankov <yuripv_at_yuripv.net>
Date: Sat, 22 Dec 2018 02:55:00 +0300
Hi,

There's apparently a bug in VMware Workstation NAT implementation, made
visible by the change to default values of IPQoS in OpenSSH 7.8p1,
making all ssh connections from the guest behind the NAT to fail with
obscure "Fssh_packet_write_wait: Connection to 192.168.1.53 port 22:
Broken pipe".

I wonder if we could integrate the attached patch (or some smarter
version of it) for the time being as the bug affects several major WS
releases, and it's not immediately clear where the problem is.

The change itself:

https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/readconf.c#rev1.284

The bug reports (some of them):

https://bugzilla.redhat.com/show_bug.cgi?id=1624437
https://communities.vmware.com/message/2803219#2803219

The patch itself is attached.

Received on Fri Dec 21 2018 - 22:55:21 UTC

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