• Using SSH Sentinel with the BEFSX41
• Using Windows XP Native IPSec Client with the BEFSX41 (provided by Tom's Networking)
• Some users also had success with the Free DrayTek VPN Client
• Using Greenbow VPN Client with the BEFVP41 (similar to BEFSX41) (provided by user DocLarge at DSLReports.com and Linksysinfo.org)

Note: Use beta material at your own risk.

• BEFSX41 Firmware 1.45.7, Dec 30 2003 (BETA)
• BEFSX41 Firmware 1.51.00, May 19 2004 (BETA)
• BEFSX41 Firmware 1.52.15, Jun 11 2007 (OFFICIAL)

• BEFSX41 SNMP MIB File
• Using MRTG to monitor the BEFSX41
• Using snmpwalk (Linux/Cygwin) to query the BEFSX41

• In-depth BEFSX41 Autopsy
• Linksys Forum at BroadbandReports.com/DSLReports.com
• Another source of Linksys Information (stronger on the wireless side)

At the time of writing this wiki, I was aware of four different versions of the BEFSX41 namely v1 made in Taiwan, v1 made in China, v2 and v2.1. Linksys only differentiate between v1 and v2 according their official web site.

Product Features

Note: Watch for the version drop down menu when looking at the download page

For reference purposes, I am providing the old BEFSX41 firmwares. These are mostly beta material. Beware, use beta material at your own risk.

1. BEFSX41 Firmware 1.43, May 22 2002, First official release
2. BEFSX41 Firmware 1.43.3, Sep 20 2002
3. BEFSX41 Firmware 1.43.4, Oct 3 2002
4. BEFSX41 Firmware 1.44, Nov 22 2002
5. BEFSX41 Firmware 1.44.3, Discussions
6. BEFSX41 Firmware 1.44.7
7. BEFSX41 Firmware 1.44.8, Discussions
8. BEFSX41 Firmware 1.44.11t, Apr 16 2003, Discussions
9. BEFSX41 Firmware 1.44.12_t2, Jul 29 2003
10. BEFSX41 Firmware 1.44.13, May 9 2003, Discussions
11. BEFSX41 Firmware 1.45.2, Sep 18 2003
12. BEFSX41 Firmware 1.45.3, Sep 26 2003, Discussions
13. BEFSX41 Firmware 1.45.3_T0, Oct 16 2003
14. BEFSX41 Firmware 1.45.3_t1, Oct 29 2003
15. BEFSX41 Firmware 1.45.6, Oct 20 2003, Discussions
16. BEFSX41 Firmware 1.45.6_Beta, Dec 5 2003, Discussions
17. BEFSX41 Firmware 1.45.6_Beta_Hacked, Dec 5 2003
18. BEFSX41 Firmware 1.45.7, Dec 30 2003, Discussions
19. BEFSX41 Firmware 1.50.7, Mar 15 2004, First firmware with new style GUI
20. BEFSX41 Firmware 1.50.9, Mar 17 2004, Discussions
21. BEFSX41 Firmware 1.50.18, Apr 30 2004, Discussions
22. BEFSX41 Firmware 1.51.00, May 19 2004, Discussions, Recap
23. BEFSX41 Firmware 1.51.00_hb, Sep 2004, Discussions
24. BEFSX41 Firmware 1.51.01, June 3 2004
25. BEFSX41 Firmware 1.52.0, Oct 28 2004, Discussions
26. BEFSX41 Firmware 1.52.1, Dec 2 2004
27. BEFSX41 Firmware 1.52.3, Jan 18 2005, Discussions
28. BEFSX41 Firmware 1.52.4, Apr 27 2005, Discussions
29. BEFSX41 Firmware 1.52.4_beta1, Mar 18 2005
30. BEFSX41 Firmware 1.52.5, May 31 2005
31. BEFSX41 Firmware 1.52.5_beta1, Jul 28 2005
32. BEFSX41 Firmware 1.52.5_beta4, Aug 26 2005, Discussions
33. BEFSX41 Firmware 1.52.6_beta1, Sep 29 2005
34. BEFSX41 Firmware 1.52.6_beta3, Nov 8 2005
35. BEFSX41 Firmware 1.52.7_beta3, Dec 28 2005
36. BEFSX41 Firmware 1.52.9, Jan 11 2006, Discussions
37. BEFSX41 Firmware 1.52.9_beta1, Feb 13 2006
38. BEFSX41 Firmware 1.52.10, Apr 29 2006, Discussions
39. BEFSX41 Firmware 1.52.15, Jun 11 2007, Discussions

Note that since Linksys released BEFSX41 Firmware 1.52.15, there is probably no need to use any of these betas. I am keeping them there for reference purposes.