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SphireOS Release Notes

Updated

SphireOS 273.12 (August 2026)

Beta (ANZ): 4 August | EA (ANZ): 11 August | GA (ANZ): 18 August 2026

GA (US): Upgrades starting October 2026

  • Introduced Remote Command Access, allowing authenticated Support staff to send secure, targeted diagnostic commands to your Appliance to resolve issues faster without requiring a scheduled call.

SphireOS 272.19 (April 2026)

Beta: 27 April | EA: 4 May | GA: 11 May 2026

  • Improved the speed at which SphireOS processes blocked connections.

  • Improved the general performance and stability of SphireOS to optimise network latency.

  • Improved filtering in BYOD configurations.

SphireOS 272.16 (March 2026)

GA (US): 18 March | GA (ANZ): 24 March 2026

  • We fixed multiple bugs to make filtering more consistent in BYOD (Bring Your Own Device) environments.

  • We improved the speed and stability of the automatic update process for Linewize Filter Appliances.

  • We improved the efficiency of packet and traffic handling by Linewize Filter Appliance.

SphireOS 271.22 (February 2026)

Beta: 11 February | EA: 18 February | GA: 25 February 2026

We improve web filtering in BYOD (Bring Your Own Device) environments by fixing an issue with out-of-order packet filtering.

SphireOS 271.21 (January 2026)

EA (US): 28 January | GA: 4 February 2026

EA (ANZ): 11 February | GA: 18 February 2026

  • We fixed a bug that caused users to lose access when they had the same username across multiple directories.

  • We improved authentication and security enforcement for using multiple directories with Linewize Filter.

Older Release Notes (2025)

Older Release Notes (2025)

SphireOS 271 (November 2025)

Beta: 24 November | EA: 1 December | GA: 8 December 2025

  • We added native firewall bypass rules to allow large deployments to persist custom rules without scripts during upgrades.

  • We enforced secure IPMI credentials to strengthen platform security.

  • We removed legacy MITM code to streamline the backend and improve security.

  • We added the ability to generate and download diagnostic logs directly from the System Management UI (SMUI).

  • We fixed an intermittent issue where network interfaces didn't always match assigned names.

  • We added safeguards to prevent system crashes caused by blank hostnames or empty criteria objects.

SphireOS 270.17 (July 2025)

Beta: 21 July | EA: 28 July | GA: 4 Aug 2025

  • We improved the Linewize Connect bypass logic only to apply when an active authentication session is present.

  • We now keep connection and statistics data in the event of a Linewize cloud outage.

  • We fixed an issue with incorrect memory usage metrics.

  • We upgraded the GCC (GNU Compiler Collection) version to improve performance and compatibility.

SphireOS 269.16 (June 2025)

Beta: 16 June  | EA: 23 June  | GA: 30 June 2025

  • We added support for RADIUS configurations that include multiple user attributes.
    We improved the CLI with enhanced help output, tab completion, improved navigation, and clearer error messages.

  • We updated the CLI config reset command to drop persistent interface rules.

  • We made SSH host keys persist across upgrades to maintain secure remote access.

  • We updated OpenSSH to version 9.9p2 to include the latest security fixes.

  • We fixed an issue where firewall rules were not saved if a misconfiguration was detected when parsing them.

SphireOS 268.16 (March 2025)

Beta: 20 March| EA: 14 April | GA: 28 April 2025

  • We improved LDAP syncs to enhance error handling and sync success...

  • We added rate limiting to SSH access on Linewize Appliances.

  • We updated PPPoE authentication...

  • We restricted USB access...

  • We fixed an issue where users with a comma in their display name were not synced to their OU group.

  • We fixed an issue with time-zone configuration.

  • We fixed an issue where WMI cron ran when WMI was off.

  • We fixed an issue where bad data caused misclassification as VPNs.

  • We fixed an issue where the RADIUS listener started before config load.

Older Release Notes (2024)

SphireOS 267.18 (December 2024)

Beta: 12 December | EA: 16 December | GA: 19 December 2024

SphireOS 266.18 (November 2024)

Beta: 14 November | EA: 18 November | GA: 25 November 2024

  • We updated the SphireOS kernel version.

  • We added support for new network drivers.

SphireOS 265.16 (August 2024)

Beta: 12 August | EA: 12 August | GA: 15 August 2024

  • We added two Performance metrics.

  • We added TLS v1.3 support for Windows BYO with Chrome.

  • We improved signature assignment performance.

  • We improved agent config change handling.

SphireOS 264.14 (June 2024)

Beta: 27 May | EA: 3 June | GA: 10 June 2024

  • We added a new Performance metric for packet processing time.

  • We improved performance to reduce latency.

SphireOS 262.18 (January 2024)

Beta: 18 January | EA: 25 January | GA: 1 February 2024

  • We fixed Walled Garden functionality.

  • We resolved corrupted packet capture issue.

  • We fixed VoIP phone issue with Captive Portal.

  • We improved blocked UDP Advanced Search reporting.

  • We improved Quarantine stability.