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2820 3.3.5.2 port forwards stop working

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12 Oct 2011 16:42 #69668 by philtrick
Replied by philtrick on topic Re: 2820 3.3.5.2 port forwards stop working
I've removed the UPNP, and manually entered all the ports I need opened. Works ok for now, I'll keep checking to make sure.
UPNP is now disabled on my router. Hopefully the feature will work better on future firmware versions.

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18 Oct 2011 16:20 #69726 by trolleybus
Replied by trolleybus on topic Re: 2820 3.3.5.2 port forwards stop working
Sorry if my comments are in the wrong place. A couple of questions; to what extent does DrayTek take of anything posted on this forum and secondly presumbly bugs are fixed through firmware upgrades but what is the best way of knowning when a firmware upgrade has been made?

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19 Oct 2011 22:04 #69742 by cbsys
yep its a bug which has been there since 3.4 firmware

update to 3.3.5.2 firmware, then in your firewall settings turn off "Accept large incoming fragmented UDP or ICMP packets" and "Enable Strict Security Firewall"

the workaround is posted elsewhere in this forum, I just cant remember where I saw it!

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20 Oct 2011 08:45 #69743 by robathome
Replied by robathome on topic Re: 2820 3.3.5.2 port forwards stop working
Interesting cbsys - thanks. I have since bitten half the bullet and am trailling a 2830 instead - do you happen to know if it's similarly afflicted?
To answer the previous question - yes they do monitor it, but don't accept things posted here as bugs, more's the pity as users on this forum are more likely to be knowledgable than anyone submitting a bug report. I think they have a mailing list you can subscribe to, but I just check the website download page monthly....

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