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RV042 QuickVPN only connects with Firewall disabled

Discussion in 'Cisco Small Business Routers and VPN Solutions' started by jshelbyjr, Mar 6, 2007.

  1. jshelbyjr

    jshelbyjr LI Guru Member

    After upgrading firmware to 1.3.7.10-q50 and QuickVPN 1.1 clients can not connect while the router firewall is enabled.

    I have uploaded 1.3.7.4-q50 and .10-q50 after resetting to factory defaults, I have downloaded both multiple times to enure no corruption of the firmware. The router operates fine in every other aspect. I have tried all combinations of enable/disable for the firewall options (spi, DoS, WAN block), the only solution is to diable the master firewall option. The above firmwares are the only available to me with the 50 quick vpn clients.

    I have also attempted to set access rules allowing ALL traffic in but this does not work either.

    Linksys support was so gracius as to tell me to use the latest firmware and QuickVPN client after I had stated such details in my support request. They offered no other guidance or suggestons! :argue:

    Any insite into this issue is appreciated, due to the nature of the office I would really like to use the built in firewall.
     
  2. vpnuser

    vpnuser LI Guru Member

  3. jshelbyjr

    jshelbyjr LI Guru Member

    Thanks for the reply. but the issue is not with the windows firewall. The new QuickVPN will actually work with the windows firewall, no configuration needed.

    The firewall built into the router is causing the issue. Even when you set up the access rules to allow all traffic, the VPN will fail to connect. The router does not send back a reply to the client. Turn the firewall off completely however and it connects right away.

    Linksys says I have corrupted firmware but I've downloaded it from varius clients at different locations (they didn't provide a checksum). The web interface is intact, and there is no functionality loss, except for this firewall issue. They only offer two version of the q50 firmware, they both do the same thing in regards to the firewall.

    I have just been informed that the site has been losing internet connectivity every day mid morning, they restart the router multiple times but it drops out, then early afternoon, it works no problem. I can't verify yet if this is a type of DoS or other attack or if it is a potential problem with the WAN ports as stated in other posts. I suppose it is possible this may be a related issue.
     
  4. OpticalMan

    OpticalMan LI Guru Member

  5. giffordj

    giffordj LI Guru Member

    I just had a flaky issue with my RV016, it ended up being a bad network cable, even though the cable tested ok. It caused one to one NAT not to work. Not sure if the same situation on your side, but I would check out your cable from your DSL/Cable to your RV042.
     

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