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[Discuss] ssh_dispatch_run_fatal error with FIOS router?

Anybody use Verizon FIOS with the old ActionTEC MI424WR router? If so,
are you seeing the following fatal error if you scp large files from a
remote internet host?

  ssh_dispatch_run_fatal: Connection to xx.xx.xx.xx port xxx: message authentication code incorrect


I can scp huge files with no problems between computers on my home
network, but whenever I try to scp something large (multi gigabytes)
from remote internet Linux hosts, scp dies with the above error(s).  I
don't know what else to blame than my Verizon router, unless the
problem is outside my home.

The OpenSSH team says this isn't an SSH bug but is caused by certain
buggy network hardware:

I know that Verizon has a newer router now (and tried to force
everyone to upgrade about a year ago), but at the time I didn't feel
like redoing my whole incoming network/firewall setup from scratch....

Thanks for any insights.

Dan Barrett
dbarrett at

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