Ubuntu
openssh package

  1. Bug #1287222
  2. Comment #6

Comment 6 for bug 1287222

Revision history for this message
atimonin (atimonin) wrote :

I also hit this connecting to Cisco, log from cisco:

SSH2 0: Invalid modulus length

For me

ssh -o KexAlgorithms=diffie-hellman-group14-sha1 x.x.x.x

works fine.

It affects not all Cisco, mainly old ones are not affected.