Update to 7.6p1
- Update x509 patch to 11.0
- HPN/NONECIPHER do not apply currently and are disabled by default,
same as the base sshd. A compatibility patch is applied if
these options are disabled to prevent startup failures; the options
are kept as deprecated.
- SCTP patch does not apply.
- SSH version 1 support dropped.
- Dropped support for hmac-ripemd160 MAC.
- Dropped support for the ciphers arcfour, blowfish and CAST.
- RSA keys less than 1024 bits are refused.