cliu
b85a65250c
Read-only re-check on the shared R1.05 test server plus a diff of the R1.03 and R1.05 manual editions. - installation-security: R1.05 OS list, Defender exceptions, IT security 2.0/3.0, LAPS, automatic configuration merge (jupgutl), PRM chapter, port 34597; setup_check.ps1 gets -Version (default 1.05.00). - data-access: L45 renumbered (new ch. 4 RESTful API), extended OPC UA functions off by default, OPC UA methods (OPCUAC_METHOD_CALL2_DF), Information Model Mapper, ServerConfig.xml in %TLS_SAV_PATH%. - equipment: Modbus unchanged; IEC 104/61850 run as EQT managers (eqtdbg, eqtfrcscn), IEC 61850 report control blocks, upgrade steps. - Issues ISS-076..090; R1.05 notes on ISS-003/008/032/034/061; progress and version-differences updated. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
195 lines
13 KiB
Markdown
195 lines
13 KiB
Markdown
---
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manual: IM 36K01C30-01EN
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title: CI Server Security Guide
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edition: 5th Edition, Feb. 2026
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version: R1.05 (first written for R1.03, 3rd Edition, Sep. 2023)
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status: from docs (users/groups and firewall checked read-only on the R1.03 test system; listening ports, users and firewall checked read-only on the R1.05 test server, 2026-10-08; the IT Security Tool is not installed there and not supported on its Windows Server 2025, so IT security itself is not verified on R1.05)
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---
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# CI Server Security Guide (R1.05)
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What the IT Security Tool changes, which Windows accounts and firewall openings CI Server
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needs, and the related utilities. Section numbers refer to the 5th edition. Since R1.04 the
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manual covers Windows Server 2022 instead of 2016; R1.05 adds Windows 11 Enterprise LTSC 2024
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and **IT security version 3.0** (§7 below).
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## 1. Threats and measures
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- Threats: attacks over the network, direct attacks at a terminal, theft of a computer/data.
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- Measures: access control (files, folders, registry, DCOM/OPC, system commands), personal
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firewall, stopping unused services, IT environment settings (NetBIOS, disk password,
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Delivery Optimization, Defender), and group policies (password/lockout, security options,
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software restriction, audit policies, administrative templates, safe DLL search order).
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- IT security settings **must** be applied at the area and process levels; business and
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corporate levels follow the site's own policy.
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## 2. Security model and user management
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- CI Server supports only the **Standard model**: protects against network and terminal
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attacks, **not** against theft.
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- Password and lockout (§2.1, §3.6.1–3.6.2): in IT security 2.0 the password policy is not
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applied (use domain policy), but the **account lockout policy is applied** (10 failed
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sign-ins, counter reset after 15 min, locked for 15 min). In 3.0 both are settings of the
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tool; for domain accounts set them on the domain controller or in the Default Domain Policy.
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(The R1.03 version of this summary said lockout was not set; that was wrong in R1.03 too.)
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- Upgrading from R1.03 or earlier with changed IT security defaults: a dialog asks to reset
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the lockout values; answer Yes, then set custom values again (IM 36K01A50 §1.3).
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- User management types:
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| Type | Accounts kept on | Notes |
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|---|---|---|
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| Standalone | Each computer | Small systems; admin and product maintenance rights not separable |
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| Domain | Domain controller | Central; rights separable |
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| Combination | Domain, plus local fallback | Local `_LCL` groups for emergencies |
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| Linked domain (recommended for new systems) | Domain, linked to local groups | Apply *Standalone* first, join domain, then link with Domain Link Management Tool |
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- Groups/accounts created by the IT Security Tool (standalone: local; domain types: on the
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domain controller, with `_LCL` local helper groups). **With IT security 3.0 only the
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Standalone and Linked domain sets are created** (§2.2.1).
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| Name | Kind | Purpose |
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|---|---|---|
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| `CIX_OPERATOR` | Group | Operators |
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| `CIX_ENGINEER` | Group | Engineering (Engineering / Edit Module) |
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| `CIX_MAINTENANCE` | Group (also Administrators) | Installation and maintenance |
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| `CIX_OPC` | Group | OPC configuration and communication |
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| `CIX_PROCESS` | User | Runs CI Server services and CI OPC servers |
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| `CTM_PROCESS` | User | Runs VAGW services |
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| `RDC_PROCESS` | User | Dual-redundant platform only |
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| `VNT_*` | Groups/users | Vnet/IP Interface Package (no sign-in rights) |
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Use these accounts only for CI Server. Changing the security model may delete or rename groups.
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Verified (R1.05 test server, 2026-10-08): without the IT Security Tool, CI Server still
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creates the local user `CIX_PROCESS` (member of Administrators) and runs *CI Service* with it;
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there are no `CIX_` groups and no `CTM_PROCESS`. A local group `RDC_GA_CLIENT` with member
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`CIX_PROCESS` also exists although the server is not a dual-redundant platform (ISS-089, no
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action needed).
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## 3. Firewall (§3.2)
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Windows Firewall on; block everything except what CI Server needs. IT security 3.0 uses the
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same exception list (§3.7.2).
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| Use | Port |
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|---|---|
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| Web / secure web (CI View, CI Portal) | TCP 8080 / 80, TCP 8443 / 443 |
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| RESTful API web server (`jrstsrv`, new in R1.04/R1.05) | TCP 34597 (`JRST_NETWORK_PORT` in `jrstsrv.sup`) |
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| DURM between nodes | UDP 17001, 17101 (one per DURM line) |
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| SMDMON (system log collection) | UDP 18002 |
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| Remote desktop (only if needed, restrict users) | TCP 3389 |
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| HAC | UDP 16000–16006 (`hac.sup`, `jhacProperties\application.properties`); HACW_HMI UDP 16010–16041 |
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| ODBC (SimbaServer, Core only) | TCP 1583 |
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| Alarm e-mail | TCP 25 |
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| NTP/SNTP (not needed with Vnet/IP) | 123 |
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| OPC classic | TCP 135, 139, DCOM 20500–20550 (customizable); UDP 137, 138 |
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| OPC UA | UDP 4840 discovery; communication port configurable |
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| Vnet equipment (`odeq.exe`) | TCP 44818 |
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| Equipment drivers | Rockwell CIP / PLC5 / Fisher ROC TCP 44818; DAQ TCP 34260, 34434; DNP3 TCP 20000; FA-M3 TCP 12289; IEC 60870-5-104 TCP 2404; IEC 61850 TCP 102; MeTro TCP 7075; Modbus TCP 502; STARDOM FCX TCP 1090 |
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| Windows domain | DNS 53, Kerberos 88, LDAP 389, SMB 445, GC 3268/3269, DHCP 67, discovery 137/138/1900/3702/5355 + TCP 2869/5357/5358, MADCAP 2535, AD Web 9389 |
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| Dual-redundant platform (PRC) | TCP 34480, 34483–34486; UDP 1311 |
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ICMP echo (ping) is allowed by the Standard model.
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Verified (R1.05 test server, 2026-10-08): listening are TCP 8080/8443 (web), 34597 (RESTful
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API), 34493 (OPC UA server `opxuas`), UDP 17001/17101 (DURM) and 18002 (SMDMON). The RESTful
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API server also listens on **TCP 7073** on all interfaces; no manual mentions this port and
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`jrstsrv.sup` has no keyword for it (ISS-087). Do not open it in the firewall.
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## 4. Other settings (§3.3–§3.6)
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- Unused services disabled by the tool (OS columns now Win10 LTSC, Win11 LTSC 2024, Server
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2019, Server 2022): Diagnostic Policy, Connected User Experiences and Telemetry,
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dmwappushsvc, Downloaded Maps Manager, IP Helper, Program Compatibility Assistant, Remote
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Registry, Shell Hardware Detection, Themes, Windows Push Notifications, and others.
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Delivery Optimization is no longer stopped; WinHTTP Web Proxy Auto-Discovery left the list.
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DHCP Client must stay running.
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- Delivery Optimization (§3.5.3): limited by policy (Server 2022: HTTP only; other listed OSs:
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bypass) so updates do not spread between plant PCs.
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- Defender (§3.5.4): the "turn off" policy is set on OSs older than Windows 11 and left
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unconfigured on Windows 11; it has no effect on Win10 LTSC 2021 / Win11 LTSC 2024.
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- OPC: *Create permanent shared objects* right for `CIX_OPC`, `CIX_PROCESS`, `CTM_PROCESS`;
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network access sharing model *Classic*; DCOM port range 20500–20550 (the manual's table
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still prints "2500–20550" in R1.05, taken as a typo).
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- NetBIOS over TCP/IP can be disabled (default with domain/combination management); then
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configure HOSTS/DNS for name resolution.
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- USB storage disabled; use the StorageDeviceCTL utility (members of `CIX_MAINTENANCE`) to
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allow writing temporarily.
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## 5. Tools (§4)
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| Tool | Use |
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|---|---|
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| IT Security Tool (Start › YOKOGAWA Security) | *Setup* (version 2.0/3.0, model, management type), *Save*/*Restore* (with a default password for recreated accounts), *Change Password* of the saved file, *Import*/*Export*, *Information* (summary) |
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| Domain Link Management Tool | Link/unlink the domain (linked domain management); sign in as local admin + `CIX_MAINTENANCE` |
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| `PrepareReconstruction.cmd` then `ciserver-…-ITSecurity.exe` › *Apply IT Security only* | Re-apply with different target components (CI Mobile View, General PC, domain controller) |
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| Reapply on Remote Connect after an upgrade to R1.05 | Run the R1.05 `-ITSecurity.exe` installer again to reinstall the IT Security Tool (overwrite install), then apply (§4.8.1) |
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| `ResetITSecCondition.cmd` (`<ISO drive>\Windows\CIServer\ITSecurity`) | First step when switching CI Mobile View, General PC or a domain controller between IT security 2.0 and 3.0 (§4.8.3–4.8.4) |
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| `Yokogawa.IA.iPCS.Platform.Security.CreateCIXProcess.exe [-p <password>]` (`<ISO drive>\Windows\CIServer\ITSecurity`) | Create `CIX_PROCESS` or set its password; same password on all collaborating computers; restart |
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| `…CreateCTMProcess.exe [-p <password>]` | Same for `CTM_PROCESS` |
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| `ITSecuritySettingItemExport.exe` | Export applied settings |
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| `YWVNETCreateVNTUser` | Change passwords of the Vnet/IP Interface Package users (VM) |
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Installer options (App. 2.5): *CI Server and IT Security Tool* for CI Core / CI Portal; *IT
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Security for multi-product environment* for CI View / CI Mobile View on a PC where another
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Yokogawa product's IT security is applied; *Apply IT Security only* for CI Mobile View,
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General PC and domain controller (avoid it where other products are installed). Applying the
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wrong station type means reinstalling Windows. Version 3.0 always needs a licence number.
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**Changing the account that runs CI Server (§4.9)**: create the user, add it to
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Administrators (and `RDC_GA_CLIENT` on a dual-redundant platform; `CIX_OPC` or
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`CIX_OPC_LCL` when IT security is applied), set it on the *CI Service* Log On tab and on the
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Identity tab of *CI OPC AE Server* and *CI OPC DA Server* in Component Services › DCOM Config.
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## 6. Optional hardening (§5)
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Extra settings the site may add: audit policies and event log sizes, disable recovery
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console and Guest account, restrict audit log and removable media access, immediate
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screen-saver password, SNMP, SSL/TLS registry settings, secure startup and
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`AllowedPaths` registry keys, remove *Everyone* for anonymous users, remove unused
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protocols, block malicious DLL loading, show a notice on entry to a security zone (§5.26).
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**Safe API use (§5.27, new)**: give each client application of the APIs (ODBC, OPC UA, web,
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RESTful API, …) its own DSS user or authorization group with only the datasets and the
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read/insert/update/delete rights it needs and a unique password; never run it as SYSTEM or
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with an administrator account. The RESTful API is HTTPS only; use the newest TLS version
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(§5.14). Treat exported data as sensitive and delete what is not needed.
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## 7. IT security version 3.0 (new in R1.05)
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From docs only (§2.1, §3.7, §4.8.3–4.8.4, ch. 6). Installation: Setup summary §2.1.6.
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- Chosen in the IT Security Tool next to 2.0; needs a licence number per computer. The full
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setting list is a PDF installed with the tool. Settings are grouped in categories (Access
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Control, Firewall per profile, System Services, Password Policy, Account Lockout Policy,
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Security Options, Administrative Templates, Removable Storage Access, …); access control,
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firewall exceptions, OPC, HDD password and software restriction work as in 2.0.
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- Defaults worth knowing:
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- Unticked by default (tick them on *Select Setting Items* if wanted): screen lock after
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inactivity, 15-minute limit for idle RDP sessions, password-protected screen saver,
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SMB signing (Windows 11 signs by default; switch it off on both sides if a product
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cannot cope).
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- Ticked by default: Kerberos limited to AES (a domain user may get a "current
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credentials" prompt; reset that user's password or untick the item), Internet Explorer 11
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disabled, network level authentication and a single session per RDP user, Print Spooler
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refuses client connections, no PnP redirection over RDP, auto logon disabled.
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- PowerShell script-block logging and transcription are on, so a password typed in
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PowerShell ends up in the log: run security utilities that take passwords in cmd.
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- CD/DVD access can be denied only with the Group Policy Editor, not with the tool.
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- Built-in accounts (§3.7.18, §3.7.22): disable or rename the built-in Administrator and
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Guest; avoid names containing admin, root or su; on the dual-redundant platform rename
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ADMINISTRATOR / PATCHUSER with the Redundancy Management Tool.
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- LAPS (§3.7.23): only with linked domain management and 3.0. After installing it (Setup
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summary §2.1.6), enable *Enable Local Admin Password Management* in the GPO of the OU of the
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target computers. The built-in Administrator then gets a different, rotating password on
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each computer (read it with LAPS UI on the domain controller), so do not use that account
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for CI Server.
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- Switching CI Mobile View, General PC or a domain controller between 2.0 and 3.0 (§4.8.3–4.8.4):
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sign in as a `CIX_MAINTENANCE` administrator, run `ResetITSecCondition.cmd`, start the tool
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and choose the version. Back to 2.0: first *Restore* the file
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`PrepareToChangeITSecVer.hed` under `C:\ProgramData\Yokogawa\IA\iPCS\Platform\Security\System\Extension\3.0`.
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For linked domain management, leave the domain, reapply, rejoin and relink.
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- Central management with Active Directory (ch. 6): on the domain controller create a GPO,
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*Import Settings* from `CIX_Standard_2.0.zip` or `CIX_Standard_3.0.zip` (from
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`…\ITSecurity\GPOFiles\<version>`; 3.0 comes from the IT security 3.0 medium), and link it
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to the OU of the CI Server computers. Apply IT security on every client first; change
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settings only in the GPO on the domain controller.
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