Where to find symbol definitions for RFC protocol flow diagram?

I am reading RFC5077, and bumped into following diagram: ClientHello (empty SessionTicket extension)——–> ServerHello (empty SessionTicket extension) Certificate* ServerKeyExchange* CertificateRequest* <——– ServerHelloDone Certificate* ClientKeyExchange CertificateVerify* [ChangeCipherSpec] Finished ——–> NewSessionTicket [ChangeCipherSpec] <——– Finished Application Data <——-> Application Data I guess Certificate* means there can be one or more Certificate, and [ChangeCipherSpec] means it is optional. But…

No Domain Controller found when joining a Windows 10 client to a OpenLDAP+Kerberos+SambaDC (SUSE 12SP4)

I’m afraid I need some help. I’ve setted up a OpenLDAP + Kerberos authentication server that works flawlessly in a Linux environment. Linux Clients join to it without any problem and I’m able to login with the users of LDAP using the Kerberos credentials. But I need help since I’m trying to join a Windows…

Master ipv4 CIDR configuration for private cluster in GCP

I’m trying to create a private cluster in GCP as per the steps mentioned here: https://cloud.google.com/kubernetes-engine/docs/how-to/private-clusters As per this, the ipv4 address for the master node is set to 172.16.0.32/28. I have also seen that the same CIDR blocks are used in many other examples as well. Is there a restriction that only this particular…