Alt-F provides a free and open source alternative firmware for the DLINK DNS-320/320L/321/323/325/327L and DNR-322L.

Alt-F has Samba and NFS; supports ext2/3/4, VFAT, NTFS, BTRFS; RAID 0, 1, 5 (with external USB disk) and JBOD; supports up to 8TB disks; rsync, ftp, sftp, ftps, ssh, lpd, DNS and DHCP servers, DDNS, fan and leds control, clean power up and down... and more.

Alt-F also has a set of comprehensive administering web pages, you don't need to use the command line to configure it.

Besides the built-in software, Alt-F also supports additional packages on disk, including ffp and Entware packages, that you can install, update and uninstall using the administering web pages

Alt-F is being developed and tested on a DNS-323-rev-A1/B1, a DNS325-rev-A1, a DNS-320L-rev-A1 and on a DNS-327L-rev-A1 hardware boards. Other models and boards are said to work.

Support Forum: http://groups.google.com/group/alt-f
Homepage: http://sites.google.com/site/altfirmware

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License

GNU General Public License version 2.0 (GPLv2)

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User Reviews

  • This thing keeps my DNS-323 alive.
  • I own a DNS-320 and was wondering if such project exist as Windows does not support SMB 1 anymore and the vendor is not supporting this models for many years. I'm glad that Alf-F exist and the install worked fine for me. Although, like the docs says, it's a major OS update and if you are tempted to use it, you must be aware of a couple things: 1 - Backup: do not attempt any similar firmware change without a backup! It works fine for me and I did not lost any files, but I also had a backup handy just in case. 2 - Linux experience: some Linux and networking experience is preferable. I would not recommend to flash the firmware by any alternative OSS if you don't have a basic knowledge of Linux. 3 - Read the Documentation carefully! It will save you precious time ;) 4 - Security: not sure the product is up to date, make sure this is well protected by other means (UTM, network segregation, etc) I had it installed only for one day and will come back later after a little while to share more experience. So far, pretty happy and impressed with the capabilities (I need to explore the Add Packages a little more), I wished the project was more actively supported, but as far as I'm concerned, an amazing replacement to the original clunky, bloated and low performance firmware. Kudos to the Alt-F team!
  • Installed on a 321 that I got for 6 bux from Goodwill. Alt-F is far superior to the outdated D-link crap that was on the unit. Flashed the device and was up and running in 10 minutes after entering network details. Though I'm not fluent in linux, I've had enough experience on folder and file hierarchy. Alt-F cannot overcome the limitations and crappy speed of the 321 box. On a 1000 Network, transfers run at 10 at best, 14 if you're lucky. Through some trial and error with folder permissions, I setup FTP, as other users have stated that its actually faster. We'll see.... I'm still playing around with settings and the feature-set. BEFORE TINKERING, Be sure to SAVE your settings to disk so you can restore to a point where the system was working. This is how I got the unit to do what I needed.
  • Estou em junho de 2022, ainda hoje este projeto esta me ajudando a dar uma nova vida para meu NAS DLink DNS-320L. Somente tenho a agradecer pelo projeto. I am in June 2022, even today this project is helping me to give a new life to my NAS DLink DNS-320L. I just have to thank you for the project.
  • Great. I was pointed to this alternative firmware after I read that smbv1 -support would be removed soon from Windows 11, and it was also removed from more recent linux-kernels. I have an ancient Conceptronic CH3SNAS which I already had upgraded with DNS-323-firmware. Still working great. But this firmware makes this NAS which I bought in 2008 or 2009 or so a bit longer usable. Installation worked like a charm. The fsck took ages, and after it completed and relabeled the volume it wanted to fsck again. Ran the process another time. Afterwards some slight issues which were easily solvable. Now everything is running fine again. Even updated the Linux-kernel on my Raspberry Pi4 to 5.15.y, which was done earlier a few weeks before, but after finding out I couldn't mount my sambashares anymore I had to revert back to 5.10.y. Now on 5.15.y with the 'new' firmware and smbv2-support it's working as designed. Happy with it.
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Additional Project Details

Intended Audience

Information Technology, End Users/Desktop

User Interface

Web-based

Registered

2012-06-16