network administrators

The Justice Department has opened an investigation into five major American television networks over their joint response to the Trump administration's ban on certain White House and Pentagon press access. The probe will examine whether the networks' coordinated stance — refusing to comply with new Pentagon press rules — violated antitrust laws. Critics view the move as government pressure on the press, while the administration argues the networks acted as a cartel.

Let's Encrypt has announced it is adding two additional remote perspectives to its certificate domain validation process, bringing more geographically and network-diverse vantage points into the checks that confirm an applicant controls a domain. The move aims to make issuance more resilient against routing hijacks and localized attacks. System administrators and security engineers are discussing the operational and reliability implications of the change.

DINAcon 2026, a Swiss conference on digital sustainability, will take place in Bern in November. Organisers are inviting people to learn and network on the topic, with one track dedicated to public administration. Partners and contributors are promoting their involvement in the programme, and the announcement is circulating among open-source and information-security communities.

Palo Alto Networks' threat intelligence team is warning that attackers are actively exploiting a vulnerability in its PAN-OS firewall software, tracked as CVE-2026-0257. The advisory, first published and updated on October 19, urges firewall administrators to review exposure and apply available patches. Organizations running PAN-OS are being advised to treat the flaw as urgent given confirmed in-the-wild exploitation.

Hundreds of demonstrators gathered in Richmond, Virginia for a No Kings protest held in the run-up to the midterm election. The rallies, organised around opposition to what participants view as authoritarian overreach by the Trump administration, have drawn large crowds across the country. With the election approaching, the Richmond turnout underscored the mobilisation of activist networks seeking to energise voters.

A security advisory, EUVD-2026-104789, describes an incorrect authorization vulnerability in the Data Access Layer of Zyxel EX3501-T0 firmware versions up to and including 5.44(ACHR.6)C0. The flaw is rated 6.5 out of 10 on the CVSS v3.1 scale and could allow an authenticated attacker unauthorized access. The advisory record was updated on 20 October 2026. Administrators running the affected router model are expected to check for patched firmware.

A medium-to-high severity vulnerability in the Linux kernel, tracked as EUVD-2026-58982 with a CVSS score of 7.8, has been published and updated in the EU vulnerability database. The flaw concerns the mac802154 subsystem, where an RCU list deletion issue affecting network interfaces has been resolved upstream. It affects Linux and roughly a dozen additional product listings. Administrators of systems using IEEE 802.15.4 networking are advised to apply the patched kernel.

A critical operating system command injection vulnerability, tracked as CVE-2026-108983, has been identified in GeoVision GV-ASManager v6.3.0. The flaw is exposed through GeoWebServer.exe on default web ports and carries a CVSS score of 9.8. No patch is currently available, and security researchers are urging administrators to restrict network access to affected systems and monitor for exploitation attempts.

The US Justice Department has opened an investigation into television networks over their coverage of the Trump press pool, according to the BBC. The probe examines how broadcasters handle pool coverage of President Trump, raising fresh concerns about press freedom and the administration's relationship with major news organisations. The story is drawing attention across news outlets in Europe and the United States.

LWN.net reports on the state of the Linux NFS server, covering recent and planned changes to the network filesystem protocol that has a long history on Unix-like systems. The article was presented at the 2026 Linux Plumbers Conference, where developers discussed how NFS continues to evolve and what its implementations must do to keep up.