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.

Changes: https://www.openssh.com/txt/release-7.6

Notable changes:

• 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.