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Linksys BEFSX41 probs

Posted on 2004-04-23
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Last Modified: 2010-04-08
My  Linksys BEFSX41 keeps crashing, I am on the lastest firmware.

After testing I noticed which application it is that always running when the crashes happen and they never happen when this app isn't running so I think it is fair to say it is the problem. Unfortunatly, it is bestoke team working software which is quite important. I think the problem is that I need to set the TCP/ UDP ports in the Linksys so that it allows them and therefore doesn't crash? NB, I can run the program succesfully for a short time, say half an hour, it is strange. Ideas welcome!

How do I find what these ports are? I believe it will be a port range?
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Question by:MPK
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sftweng earned 63 total points
ID: 10905759
I and at least one other (see http://www.experts-exchange.com/Hardware/Routers/Q_20917707.html) have had BEFSR41 crash problems using the latest bios (befsr-fw-1457) and have backed off (to befsr-fw-1442z), with success.

In this case, using the most recent bios seems to have introduced more problems than it solved.

Alan
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by:MPK
ID: 10907180
Thanks Alan,
 Is 1442 the version that comes pre-installed? If not, how do I get that version's bin file?

Also, I noticed that there is a bugtraq ID for our router regarding a DoS attack:
"vulnerable      Linksys BEFSX41 1.44.3
      
not vulnerable      Linksys BEFSX41 1.45.3"

Clearly, there is already DoS from using the latest FirmWare with set software.

Regards,
Martin
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by:sftweng
ID: 10907213
Martin, I visited the LinkSys web site (http://www.linksys.com) and checked in their support section for bios upgrades. It looks like they only offer a dowload for 1.45.3 (http://www.linksys.com/download/firmware.asp?fwid=172), unlike for the BEFSR41 (which does not have built-in VPN support).

All I can suggest, therefore, is that you try reverting to the pre-installed version which may be on a distribution CD-ROM.
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by:sftweng
ID: 10907223
Have you tried an email to support@linksys.com?
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by:whipcream78
whipcream78 earned 62 total points
ID: 10979416
Martin,

You can get older Befsr41 firmware (1.44.2 or the 1.44.2z) from the linksys public ftp site:
ftp://ftp.linksys.com/pub/befsr41/

The file name for the 1.44.2z firmware is "befsr-fw-1442.zip"

Cheers,
S
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by:sftweng
ID: 10979446
But it's a different device.
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by:MPK
ID: 10979473
Thanks both. Just to keep you updated I contacted Linksys support but I believe that is largely customer service, so they passed it on to technical and said they would get back to me.
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Expert Comment

by:whipcream78
ID: 11112224
sftweng,

The Befsx41 firmware is in the same ftp directory. =)

Cheers,
S
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Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

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