Source note · Unified CM security hardening
SELinux enforcing mode and the IPTables host firewall are both enabled by default on Unified CM. Firewall rules can be listed with utils firewall ipv4 list and utils firewall ipv6 list.
Checked 2026-09-25
SELinux enforcing mode is enabled by default
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- OS hardening
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-09-25
Sources
- Security Guide for Cisco Unified Communications Manager, Release 15 and SUs - Operating System and Security Hardening — Cisco Systems · tier 2 current vendor documentation · Operating System and Security Hardening > SELinux / IPTables
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM security hardening: source note cucm-security-hardening-selinux-iptables-default. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-security-hardening-selinux-iptables-default
BibTeX
@misc{warmtransfer-claim-cucm-security-hardening-selinux-iptables-default,
title = {Unified CM security hardening: source note cucm-security-hardening-selinux-iptables-default},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-security-hardening-selinux-iptables-default},
note = {Source note cucm-security-hardening-selinux-iptables-default, checked 2026-09-25}
}