AstLinux Project

AstLinux Release:

AstLinux Release Version:	1.5.15
Release Date:	2026-09-30	After over 21 years (2026-03-01), AstLinux is considered deprecated.
Changes:	ChangeLog	New AstLinux installations are no longer recommended.
Asterisk Versions:	18.26.4, 20.21.0
User Documentation:	Documentation	Firmware Repository URL:	Asterisk LTS Series Version

Description:

AstLinux is an open-source Linux x86_64 "Network Appliance Framework". Tools including Asterisk, stateful filtering firewall and VPN support. AstLinux's framework allows integrators and developers to deploy solutions that may be remotely monitored, supported and upgraded using an optimized 60 MB compressed image.

Release Notes:

AstLinux 1.5.15 Highlights:

Linux Kernel 5.10.268-cip77, security and bug fixes
RUNNIX, version bump to runnix-0.6.27, with Linux Kernel 5.10.268-cip77
OpenSSH, version 8.4p1, security fixes: CVE-2025-61984, CVE-2025-61985, CVE-2026-35388, CVE-2026-35385, CVE-2026-35387, CVE-2026-35414, CVE-2026-35386
OpenVPN, version 2.4.12, security fixes: CVE-2026-35058, CVE-2026-40215
strongSwan, version 5.5.3, security fixes: CVE-2026-78123, CVE-2026-78124, CVE-2026-78126, CVE-2026-78127, CVE-2026-78129, CVE-2026-78130, CVE-2026-78131, CVE-2026-78132, CVE-2026-78134
libcurl (curl) version 8.17.0, security fixes: CVE-2025-14524, CVE-2025-14819, CVE-2026-1965, CVE-2026-3783, CVE-2026-3784, CVE-2026-4873, CVE-2026-5545, CVE-2026-6253, CVE-2026-6429
libpcap, version bump to 1.10.7, security fixes: CVE-2026-0799, CVE-2026-31912, CVE-2026-31911, CVE-2026-6244, CVE-2026-6554, CVE-2026-18313, CVE-2026-18238
libxml2, version bump to 2.15.4, security fixes
acme-client, version 2.9.0, add patch to change default renew to 35 days
chrony, version bump to 4.9
expat, version bump to 2.8.4, security fix: CVE-2026-72522, CVE-2026-66046, CVE-2026-76641, CVE-2026-76956, CVE-2026-76957
htop, version bump to 3.5.3, security fix: CVE-2024-37676
jansson, version bump to 2.15.1
jitterentropy-rngd, version bump to 1.3.2
Monit, version bump to 6.0.0
msmtp, version bump to 1.8.34
pcre2, version bump to 10.48, security fixes
php, version 7.2.34, add security fixes: CVE-2026-7568, CVE-2026-14355
rsync, version bump to 3.5.0, security fixes: 33 CVE-2026-nnnnn
screen, version 5.0.2, security fixes
sngrep, version bump to 1.8.4
sqlite, version bump to 3.53.4
stunnel, version bump to 5.80, security fixes: CVE-2026-70367, CVE-2026-70368
unbound, version bump to 1.26.1, security fixes: 33 CVE-2026-nnnnn
ca-certificates, update trusted root certificates 2026-08-13
mac2vendor, oui.txt database snapshot 2026-09-16
Time Zone Database update, tzdata2026d and php-timezonedb-2026.4
Asterisk 'ast18se-firmware-1.x' is the last Asterisk 18.x "Legacy" version, built --without-pjproject and --without-dahdi
Asterisk 'ast20-firmware-1.x' is the current Asterisk 20.x version, built --with-pjproject and --with-dahdi

Details:

AstLinux's framework includes:

Asterisk 18 or 20: SIP, DAHDI - Voice PBX
Asterisk Operator Panel: FOP2 - optional Add-On Package
Prosody 0.11: XMPP - Presence and Messaging
Linux: Kernel 5.10, Busybox base with iproute2, e2fsprogs and util-linux
VPN Support: WireGuard OpenVPN IPSec VPN
Scripting Languages: bash, php, lua and perl
Web Server: Linux-Lighttpd-SQLite3-PHP
Monitoring: Zabbix SNMP UPS Equipment
IPv4 / IPv6 Router and Stateful Filtering Firewall
DHCP, DNS, TFTP DNS-TLS Proxy NTP and FTP servers
SMTP email forwarding for notifications
Fossil - software configuration management system for local configuration files
LDAP - server for distributing directory information
ODBC - database abstraction layer support for SQLite3
RUNNIX bootloader supporting firmware version management and low level diagnostics
Web interface for administration

Supported 64-bit, x86_64 boards and appliances include:

Intel N150 fanless appliance: Protectli VP2430
Intel N100 fanless appliance: Qotom Q10922H6
Intel Celeron J4125 fanless appliance: Qotom Q750G5
Intel Celeron N3160 fanless appliance: Jetway JBC430U941 / HBJC430U941
Intel Celeron J3160 fanless appliance: Protectli FW4B
Intel Core i3-6100U fanless appliance: Qotom Q530G6
AMD X3421 appliance: HPE MicroServer Gen10
Intel Celeron J1900 fanless appliance: Qotom Q190G4N-S07
Intel Celeron N2930 board: Jetway NF9HG-2930
Intel Atom C2358 fanless appliance: Lanner FW-7525B
Intel Atom D525 fanless appliance: Lanner FW-7541D
AMD GX-412TC board: PC Engines apu2
Generic 64-bit, x86_64 PC Hardware with SATA or NVMe storage and UEFI or Legacy BIOS

Supported 64-bit, x86_64 Mini PCs include:

Intel N100 fanless Mini PC: MeLE QuieterDL
Intel Celeron N4020 fanless Mini PC: MINISFORUM N40
Intel Celeron N3350/N4000 fanless Mini PC: Bmax B1 Plus/Pro

Supported Virtual Machine guest environments include:

Proxmox KVM x86_64 Virtualization: Proxmox VE
Linode Hosted KVM x86_64 Virtualization: Linode KVM
Vultr Hosted KVM x86_64 Virtualization: Vultr KVM
Other x86_64 Virtualization: Hyper-V UTM VirtualBox VMware XenServer