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Actiontec port stealthing

Actiontec port stealthing

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Contributor fibernovice
Contributor
Posts: 1
Registered: ‎08-29-2009
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I configure the Actiontec MI424-WR modem/router with all ports stealth (verified

by the Gibson Research Shields Up probe).  Later, the same test reveals that all

ports are closed, but unstealthed.  The only difference is that port forwarding

has been remotely reconfigured to allow forwarding on any port to any port (remote

administration is disabled).  According to Verizon FIOS tech support, Verizon

doesn't remotely reconfigure the modem. The IP address shown, on the Port

Forwarding page of the router's firewall configuration menu, for the Networked

Computer/Device is that of the STB, and the Protocols shows "Verizon FIOS

Service." We surmize that, when the STB and router reestablish communication, the

STB reconfigures port forwarding to include the FIOS services (necessary for

program info, VOD, DVR?). The settings are not editable (at least not from the

Port Forwarding page of the router's firewall configuration menu). I would really

like to keep the ports stealthed. Why has this happened and how can I prevent it?

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