Reset:Factory Defaults

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JCS
Posts: 1
Joined: Sat Jul 24, 2010 11:02 am

Reset:Factory Defaults

Post by JCS »

I am interested in blocking external Internet access at particular times throughout the day and night. I am exploring upgrading the firmware in my Linksys WRT54G wireless router to gain support for "Time Restrictions". The question I have is, using the Gargoyle firmware upgrade, what will happen if the "Reset" button is pressed. Will this restore a default configuration? Is there anyway to prevent the default restoration of the "Administrator" password and or the configured "Time Restrictions" times?

Thanks.

pbix
Developer
Posts: 1373
Joined: Fri Aug 21, 2009 5:09 pm

Re: Reset:Factory Defaults

Post by pbix »

If someone has physical access to the router then there is no way to prevent them from changing any setting or even changing the firmware itself.

If you want to know how you can research failsafe mode over at openwrt.org
Linksys WRT1900ACv2
Netgear WNDR3700v2
TP Link 1043ND v3
TP-Link TL-WDR3600 v1
Buffalo WZR-HP-G300NH2
WRT54G-TM

Eric
Site Admin
Posts: 1443
Joined: Sat Jun 14, 2008 1:14 pm

Re: Reset:Factory Defaults

Post by Eric »

Right now the reset button doesn't reset the password. Actually, it doesn't do anything right now.

However, as pbix said, if an attacker has physical access they can bypass any password requirements. Someone with physical access could load a new firmware onto the router using TFTP, bypassing any security restrictions in Gargoyle.

uncle john
Posts: 146
Joined: Sun Jun 21, 2009 11:27 pm
Location: Australia

Re: Reset:Factory Defaults

Post by uncle john »

I can see why you would be reluctant to introduce hardware specific code (ie. reset button support).
On the subject of security, I'd suggest that having the ability to disable system administration via the WAN would be a really good feature. (e.g. http://www.coova.org/node/245).

pbix
Developer
Posts: 1373
Joined: Fri Aug 21, 2009 5:09 pm

Re: Reset:Factory Defaults

Post by pbix »

Remote Web access can be disabled on the System-Router Access page. Just set it to disabled which is its default.
Linksys WRT1900ACv2
Netgear WNDR3700v2
TP Link 1043ND v3
TP-Link TL-WDR3600 v1
Buffalo WZR-HP-G300NH2
WRT54G-TM

uncle john
Posts: 146
Joined: Sun Jun 21, 2009 11:27 pm
Location: Australia

Re: Reset:Factory Defaults

Post by uncle john »

Sorry. I did write WAN but I meant WLAN.

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