Asus gebruikt voor zijn nieuwere routers, zoals de RT-N66U en RT-AC66U, een van Tomato afgeleide firmware met de naam Asuswrt. Deze firmware is opensource op enkele drivers na, waarvan de binaries wel meegeleverd worden.
Asuswrt-merlin is een aangepaste versie van de originele firmware die onder meer bugfixes en kleine verbeteringen bevat, maar toch dicht bij het origineel probeert te blijven, zodat het mogelijk blijft om nieuwe features die Asus introduceert weer toe te voegen aan de code. Enkele dagen geleden is er een nieuwe versie van Asuswrt-merlin verschenen en de release notes daarvan zien er als volgt uit:
Asuswrt-Merlin - build 376.48_2
Supported devices are:Here is a list of features that Asuswrt-merlin brings over the original firmware:
- RT-N16
- RT-N66U
- RT-AC66U
- RT-AC56U
- RT-AC68U
- RT-AC68P
- RT-AC87U
System:Disk sharing:
- Based on 3.0.0.4.376_2769 sources (from RT-AC87U) from Asus
- Various bugfixes and optimizations
- Some components were updated to newer versions, for improved stability and security
- User scripts that run on specific events
- Cron jobs
- Ability to customize the config files used by the router services
- LED control - put your router in "Stealth Mode" by turning off all LEDs
- Entware easy setup script (alternative to Optware - the two are mutually exclusive) (not available on RT-AC56/RT-AC68/RT-AC87)
- Full SNMP support (based on experimental code from Asus)
Networking:
- Enable/disable the use of shorter share names
- Disk spindown after user-configurable inactivity timeout
- NFS sharing (through webui)
- Improved compatibility with 3TB+ and Advanced Format HDDs
- Allow or disable WAN access to the FTP server
- Updated Samba version (3.6.x)
Web interface:
- Force acting as a Master Browser
- Act as a WINS server
- SSHD
- Allows tweaking TCP/UDP connection tracking timeouts
- CIFS client support (for mounting remote SMB share on the router)
- Layer7 iptables matching (N16/N66/AC66 only)
- User-defined options for WAN DHCP queries (required by some ISPs)
- Advanced OpenVPN client and server support (all models except RT-N16)
- Netfilter ipset module, for efficient blacklist implementation
- Configurable min/max UPNP ports
- IPSec kernel support (N16/N66/AC66 only)
- DNS-based Filtering, can be applied globally or per client
A few features that first appeared in Asuswrt-Merlin have since been integrated / enabled / re-implemented in the official firmware:
- Optionally save traffic stats to disk (USB or JFFS partition)
- Enhanced traffic monitoring: added monthly, as well as per IP monitoring
- Name field on the DHCP reservation list and Wireless ACL list
- System info summary page
- Wireless client IP and hostname on the Wireless Log page
- Wifi icon reports the state of both radios
- Display the Ethernet port states
- Wireless site survey
- 64K NVRAM for the RT-N66U
- HTTPS webui
- Turning WPS button into a radio on/off toggle
- Use shorter share names (folder name only)
- WakeOnLan web interface (with user-entered preset targets)
- clickable MACs on the client list for lookup in the OUI database
- Display active/tracked network connections
- VPN client connection state report
- DualWAN and Repeater mode (while it was still under development by Asus)
- OpenVPN client and server
- Configurable IPv6 firewall
- Persistent JFFS partition
- The various MAC/IP selection pulldowns will also display hostnames when possible instead of just NetBIOS names
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