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  2. ssh-keygen - Wikipedia

    en.wikipedia.org/wiki/Ssh-keygen

    Imports a private resident key from a FIDO2 device. -p Requests changing the passphrase of a private key file instead of creating a new private key. -t Specifies the type of key to create (e.g., rsa). -o Use the new OpenSSH format. -q quiets ssh-keygen. It is used by the /etc/rc file while creating a new key. -N Provides a new Passphrase. -B

  3. TSIG - Wikipedia

    en.wikipedia.org/wiki/TSIG

    The use of a key shared by the client making the update and the DNS server helps to ensure the authenticity and integrity of the update request. A one-way hashing function serves to prevent malicious observers from modifying the update and forwarding on to the destination, thus ensuring integrity of the message from source to destination.

  4. Git - Wikipedia

    en.wikipedia.org/wiki/Git

    Git does periodic repacking automatically, but manual repacking is also possible with the git gc command. [46] For data integrity, both the packfile and its index have an SHA-1 checksum [47] inside, and the file name of the packfile also contains an SHA-1 checksum. To check the integrity of a repository, run the git fsck command. [48] [49]

  5. dig (command) - Wikipedia

    en.wikipedia.org/wiki/Dig_(command)

    dig is a network administration command-line tool for querying the Domain Name System (DNS).. dig is useful for network troubleshooting and for educational purposes. [2] It can operate based on command line option and flag arguments, or in batch mode by reading requests from an operating system file.

  6. Distributed version control - Wikipedia

    en.wikipedia.org/wiki/Distributed_version_control

    The contributor requests that the project maintainer pull the source code change, hence the name "pull request". The maintainer has to merge the pull request if the contribution should become part of the source base. [12] The developer creates a pull request to notify maintainers of a new change; a comment thread is associated with each pull ...

  7. HTTP Public Key Pinning - Wikipedia

    en.wikipedia.org/wiki/HTTP_Public_Key_Pinning

    The HPKP policy specifies hashes of the subject public key info of one of the certificates in the website's authentic X.509 public key certificate chain (and at least one backup key) in pin-sha256 directives, and a period of time during which the user agent shall enforce public key pinning in max-age directive, optional includeSubDomains ...

  8. Wildcard DNS record - Wikipedia

    en.wikipedia.org/wiki/Wildcard_DNS_record

    A wildcard DNS record is a record in a DNS zone that will match requests for non-existent domain names. A wildcard DNS record is specified by using a * as the leftmost label (part) of a domain name, e.g. *.example.com. The exact rules for when a wildcard will match are specified in RFC 1034, but the rules are neither intuitive nor clearly ...

  9. DNSCrypt - Wikipedia

    en.wikipedia.org/wiki/DNSCrypt

    This public key is used to verify a set of certificates, retrieved using conventional DNS queries. [2]: §1 These certificates contain short-term public keys used for key exchange, as well as an identifier of the cipher suite to use. Clients are encouraged to generate a new key for every query, while servers are encouraged to rotate short-term ...