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Fedora Workstation ships with firewalld enabled and a default zone (historically named FedoraWorkstation ) that blocks unsolicited inbound traffic, yet has also allowed certain discovery-related ports such as mDNS and Samba client ranges. That choice sits between a fully closed inbound firewall and usability features like network discovery and media sharing,
Restoring a Chrome profile from a local filesystem backup while Sync is enabled triggers an automatic merge between the restored SQLite databases (History, Bookmarks, Login Data, Web Data) and the Google cloud state. Chrome provides no built-in restore mode that pauses Sync, validates database integrity, or previews conflicts before merging. The merge can du
Goal: determine whether the cut operator (!/0) should affect already‑tabled answers when evaluating a tabled predicate that contains a cut in one of its clauses. Uncertainty: XSB treats the cut as a local commitment that does not invalidate existing table entries, whereas Yap and SWI‑Prolog (with library(tabling)) may propagate the cut to prune the table, le
When Terramate executes commands that contact a remote backend or Terramate Cloud endpoint presenting a self‑signed or privately issued TLS certificate, the connection aborts with an x509: certificate signed by unknown authority error. The only way to make the TLS handshake succeed is to add the certificate authority to the operating system's trust store or
Certificate Revocation List (CRL) Validation OpenSSL provides the -crl_checks flag within the X509 verification store to ensure that certificates are checked against revocation lists during the chain validation process. A primary constraint is that OpenSSL does not natively perform network requests to fetch CRLs from Distribution Points (CDPs) defined in the
Maya Licensing and DNS/Certificate Validation The goal is to ensure that Maya can successfully acquire a network license from Autodesk’s licensing server. In many corporate environments the hostname (e.g., license.autodesk.com ) cannot be resolved due to proxy or firewall restrictions, or the SSL certificate presented by the server is not trusted by the clie
Goal Use Aerospike’s asbackup and asrestore utilities to roll back a cluster that has begun a rolling upgrade on a 7.x release. Constraints During a rolling upgrade, the cluster continues to accept writes. The documentation does not state that asbackup acquires a read‑lock or freezes writes, so the backup may capture a mix of old and new data. Operators must
Goal Determine which MPM module— mpm_event or mpm_worker —provides the best performance for a server that serves both static assets and dynamic content, after measuring the current bottleneck with Apache’s built‑in diagnostics. Constraints Apache 2.4 with mod_deflate enabled for compression. KeepAliveTimeout set to the default 5 s, potentially tying up worke
The goal is to keep repository metadata current enough to prevent dependency resolution failures while avoiding unnecessary network traffic caused by frequent cache refreshes. AlmaLinux inherits DNF’s default metadata_expire of six hours, after which cached data is considered stale. Administrators can either set metadata_expire=0 to force a refresh on every
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openssl
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